./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:11:45,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:11:45,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 08:11:45,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:11:45,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:11:45,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:11:45,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:11:45,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:11:45,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:11:45,211 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:11:45,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:11:45,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:11:45,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:11:45,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:11:45,212 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:11:45,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:11:45,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:11:45,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:11:45,213 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:45,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:45,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:45,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:11:45,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:11:45,215 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_37005e0b-7c34-419e-b650-850a679b500b/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b [2024-12-02 08:11:45,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:11:45,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:11:45,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:11:45,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:11:45,443 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:11:45,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2024-12-02 08:11:48,176 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/53bfcb236/58727b0680e0492abbefbb114fd359d8/FLAGcf6cebf4f [2024-12-02 08:11:48,487 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:11:48,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2024-12-02 08:11:48,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/53bfcb236/58727b0680e0492abbefbb114fd359d8/FLAGcf6cebf4f [2024-12-02 08:11:48,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/53bfcb236/58727b0680e0492abbefbb114fd359d8 [2024-12-02 08:11:48,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:11:48,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:11:48,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:48,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:11:48,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:11:48,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:48" (1/1) ... [2024-12-02 08:11:48,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1f4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:48, skipping insertion in model container [2024-12-02 08:11:48,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:48" (1/1) ... [2024-12-02 08:11:48,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:11:49,922 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: sqrt 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.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:1019) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) 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:783) 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: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.visit(CHandler.java:1783) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-02 08:11:49,927 INFO L158 Benchmark]: Toolchain (without parser) took 1199.84ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 88.3MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:11:49,927 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:11:49,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1198.32ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 88.3MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:11:49,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1198.32ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 88.3MB in the end (delta: 23.8MB). 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: 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_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:11:51,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:11:51,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 08:11:51,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:11:51,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:11:51,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 08:11:51,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:11:51,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:11:51,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:11:51,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:11:51,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:11:51,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:11:51,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:11:51,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:11:51,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:11:51,785 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:11:51,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:11:51,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:11:51,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:11:51,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:51,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:51,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:11:51,787 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:11:51,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:11:51,788 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_37005e0b-7c34-419e-b650-850a679b500b/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b [2024-12-02 08:11:52,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:11:52,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:11:52,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:11:52,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:11:52,048 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:11:52,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2024-12-02 08:11:54,757 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/6fe180685/1eacd3af299c4c10bbb422bf332ce6d4/FLAG545220609 [2024-12-02 08:11:55,051 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:11:55,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2024-12-02 08:11:55,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/6fe180685/1eacd3af299c4c10bbb422bf332ce6d4/FLAG545220609 [2024-12-02 08:11:55,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/data/6fe180685/1eacd3af299c4c10bbb422bf332ce6d4 [2024-12-02 08:11:55,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:11:55,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:11:55,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:55,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:11:55,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:11:55,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:55" (1/1) ... [2024-12-02 08:11:55,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29de9a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:55, skipping insertion in model container [2024-12-02 08:11:55,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:55" (1/1) ... [2024-12-02 08:11:55,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:11:56,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:11:56,411 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:11:56,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:11:56,682 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:11:56,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56 WrapperNode [2024-12-02 08:11:56,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:56,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:11:56,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:11:56,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:11:56,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,741 INFO L138 Inliner]: procedures = 946, calls = 37, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 85 [2024-12-02 08:11:56,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:11:56,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:11:56,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:11:56,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:11:56,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,763 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 08:11:56,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,772 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:11:56,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:11:56,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:11:56,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:11:56,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (1/1) ... [2024-12-02 08:11:56,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:11:56,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:11:56,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:11:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 08:11:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 08:11:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:11:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:11:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:11:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 08:11:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 08:11:56,967 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:11:56,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:12:02,069 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-02 08:12:02,069 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:12:02,079 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:12:02,079 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:12:02,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:12:02 BoogieIcfgContainer [2024-12-02 08:12:02,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:12:02,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:12:02,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:12:02,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:12:02,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:11:55" (1/3) ... [2024-12-02 08:12:02,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d8351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:12:02, skipping insertion in model container [2024-12-02 08:12:02,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:56" (2/3) ... [2024-12-02 08:12:02,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d8351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:12:02, skipping insertion in model container [2024-12-02 08:12:02,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:12:02" (3/3) ... [2024-12-02 08:12:02,090 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_21_good.i [2024-12-02 08:12:02,106 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:12:02,108 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_square_21_good.i that has 3 procedures, 55 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 08:12:02,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:12:02,174 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;@9aabefa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:12:02,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 08:12:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 47 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:12:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 08:12:02,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:02,185 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:02,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:02,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:02,190 INFO L85 PathProgramCache]: Analyzing trace with hash 705709667, now seen corresponding path program 1 times [2024-12-02 08:12:02,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:02,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193995892] [2024-12-02 08:12:02,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:02,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:12:02,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:12:02,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:12:02,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:12:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:02,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:12:02,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:02,396 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 08:12:02,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:02,397 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:02,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193995892] [2024-12-02 08:12:02,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193995892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:02,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:02,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:12:02,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597727197] [2024-12-02 08:12:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:02,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:12:02,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:02,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:12:02,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:12:02,424 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 47 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:12:06,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:10,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:14,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:15,522 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2024-12-02 08:12:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:12:15,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-12-02 08:12:15,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:15,528 INFO L225 Difference]: With dead ends: 102 [2024-12-02 08:12:15,528 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 08:12:15,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:15,533 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:15,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 165 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-12-02 08:12:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 08:12:15,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2024-12-02 08:12:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 38 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 08:12:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-12-02 08:12:15,562 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 11 [2024-12-02 08:12:15,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:15,563 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-12-02 08:12:15,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:12:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-12-02 08:12:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 08:12:15,565 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:15,565 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:15,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:12:15,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:12:15,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:15,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:15,766 INFO L85 PathProgramCache]: Analyzing trace with hash -417840827, now seen corresponding path program 1 times [2024-12-02 08:12:15,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:15,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555168593] [2024-12-02 08:12:15,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:15,767 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 08:12:15,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:12:15,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:15,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:15,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:12:15,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:15,939 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 08:12:15,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:15,939 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:15,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555168593] [2024-12-02 08:12:15,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555168593] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:15,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:15,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:12:15,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52056170] [2024-12-02 08:12:15,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:15,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:12:15,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:15,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:12:15,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:12:15,941 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:12:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:15,974 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2024-12-02 08:12:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:12:15,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-12-02 08:12:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:15,976 INFO L225 Difference]: With dead ends: 72 [2024-12-02 08:12:15,976 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 08:12:15,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:15,977 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:15,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 117 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:15,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 08:12:15,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 08:12:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 08:12:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-12-02 08:12:15,984 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 13 [2024-12-02 08:12:15,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:15,984 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-12-02 08:12:15,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:12:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-02 08:12:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 08:12:15,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:15,985 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:15,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:16,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1586404842, now seen corresponding path program 1 times [2024-12-02 08:12:16,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:16,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355330042] [2024-12-02 08:12:16,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:16,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:12:16,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:12:16,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:12:16,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:12:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:16,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:12:16,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:12:16,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:16,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:16,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355330042] [2024-12-02 08:12:16,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355330042] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:16,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:16,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:12:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208675129] [2024-12-02 08:12:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:16,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:16,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:16,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:16,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:16,280 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:12:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:16,295 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2024-12-02 08:12:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:16,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-12-02 08:12:16,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:16,297 INFO L225 Difference]: With dead ends: 66 [2024-12-02 08:12:16,298 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 08:12:16,298 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 08:12:16,299 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:16,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 41 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 08:12:16,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 08:12:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 31 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 08:12:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-12-02 08:12:16,306 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 19 [2024-12-02 08:12:16,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:16,306 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-12-02 08:12:16,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:12:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-12-02 08:12:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 08:12:16,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:16,307 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:16,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 08:12:16,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:12:16,508 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:16,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:16,508 INFO L85 PathProgramCache]: Analyzing trace with hash -692319706, now seen corresponding path program 1 times [2024-12-02 08:12:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:16,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194481496] [2024-12-02 08:12:16,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:16,509 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 08:12:16,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:12:16,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:16,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:12:16,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 08:12:16,624 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:16,624 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194481496] [2024-12-02 08:12:16,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194481496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:16,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:16,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:12:16,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336566685] [2024-12-02 08:12:16,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:16,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:16,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:16,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:16,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:16,626 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:16,718 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2024-12-02 08:12:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:16,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-12-02 08:12:16,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:16,723 INFO L225 Difference]: With dead ends: 44 [2024-12-02 08:12:16,723 INFO L226 Difference]: Without dead ends: 30 [2024-12-02 08:12:16,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 08:12:16,724 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:16,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 52 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:12:16,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-12-02 08:12:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-12-02 08:12:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 26 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 08:12:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-12-02 08:12:16,729 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2024-12-02 08:12:16,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:16,730 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-12-02 08:12:16,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-12-02 08:12:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 08:12:16,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:16,731 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:16,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:16,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash 422614367, now seen corresponding path program 1 times [2024-12-02 08:12:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:16,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743420893] [2024-12-02 08:12:16,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:16,932 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 08:12:16,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:12:16,933 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:16,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:17,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:12:17,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 08:12:17,053 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:17,053 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:17,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743420893] [2024-12-02 08:12:17,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743420893] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:17,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:17,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:12:17,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723403931] [2024-12-02 08:12:17,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:17,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:17,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:17,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:17,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:17,054 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:17,066 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2024-12-02 08:12:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:17,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-12-02 08:12:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:17,067 INFO L225 Difference]: With dead ends: 41 [2024-12-02 08:12:17,068 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 08:12:17,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 08:12:17,069 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 20 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:17,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 51 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:17,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 08:12:17,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 08:12:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 08:12:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2024-12-02 08:12:17,074 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 24 [2024-12-02 08:12:17,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:17,075 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2024-12-02 08:12:17,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-12-02 08:12:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 08:12:17,076 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:17,076 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:17,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,276 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:17,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:17,277 INFO L85 PathProgramCache]: Analyzing trace with hash 400821226, now seen corresponding path program 1 times [2024-12-02 08:12:17,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:17,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426490778] [2024-12-02 08:12:17,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:17,277 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 08:12:17,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:12:17,279 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:17,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:12:17,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 08:12:17,391 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:17,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:17,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426490778] [2024-12-02 08:12:17,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426490778] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:17,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:17,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:12:17,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246108970] [2024-12-02 08:12:17,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:17,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:12:17,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:17,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:12:17,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:12:17,392 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:17,467 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2024-12-02 08:12:17,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:12:17,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-12-02 08:12:17,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:17,469 INFO L225 Difference]: With dead ends: 50 [2024-12-02 08:12:17,469 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 08:12:17,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:17,470 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:17,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 72 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:12:17,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 08:12:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 08:12:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 08:12:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-12-02 08:12:17,475 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 24 [2024-12-02 08:12:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:17,475 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-12-02 08:12:17,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-12-02 08:12:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 08:12:17,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:17,476 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:17,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,676 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:17,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:17,677 INFO L85 PathProgramCache]: Analyzing trace with hash -463318604, now seen corresponding path program 1 times [2024-12-02 08:12:17,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:17,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391771567] [2024-12-02 08:12:17,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:17,677 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 08:12:17,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:12:17,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:17,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:12:17,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 08:12:17,810 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:17,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391771567] [2024-12-02 08:12:17,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391771567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:17,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:17,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:12:17,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878982058] [2024-12-02 08:12:17,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:17,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:12:17,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:17,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:12:17,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:12:17,811 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:17,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:17,837 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-12-02 08:12:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:12:17,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-12-02 08:12:17,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:17,838 INFO L225 Difference]: With dead ends: 34 [2024-12-02 08:12:17,838 INFO L226 Difference]: Without dead ends: 31 [2024-12-02 08:12:17,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:17,839 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:17,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 71 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-12-02 08:12:17,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-12-02 08:12:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 08:12:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-12-02 08:12:17,844 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 25 [2024-12-02 08:12:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:17,844 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-12-02 08:12:17,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 08:12:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-12-02 08:12:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 08:12:17,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:17,845 INFO L218 NwaCegarLoop]: trace histogram [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 08:12:17,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:18,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:18,046 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 08:12:18,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash -573524101, now seen corresponding path program 1 times [2024-12-02 08:12:18,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:12:18,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819040011] [2024-12-02 08:12:18,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:18,047 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 08:12:18,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:12:18,048 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:18,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:18,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:12:18,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 08:12:18,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:18,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:12:18,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819040011] [2024-12-02 08:12:18,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819040011] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:18,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:18,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:12:18,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917169401] [2024-12-02 08:12:18,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:18,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:18,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:12:18,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:18,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:18,147 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 08:12:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:18,187 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2024-12-02 08:12:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:18,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-12-02 08:12:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:18,190 INFO L225 Difference]: With dead ends: 31 [2024-12-02 08:12:18,190 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:12:18,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 08:12:18,191 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:18,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:18,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:12:18,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:12:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 08:12:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:12:18,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-12-02 08:12:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:18,192 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:12:18,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 08:12:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:12:18,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:12:18,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 08:12:18,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 08:12:18,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:18,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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 08:12:18,398 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:18,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:12:18,448 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:12:18,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:12:18 BoogieIcfgContainer [2024-12-02 08:12:18,454 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:12:18,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:12:18,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:12:18,455 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:12:18,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:12:02" (3/4) ... [2024-12-02 08:12:18,457 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:12:18,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 08:12:18,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 08:12:18,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 08:12:18,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 08:12:18,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 08:12:18,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:12:18,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:12:18,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:12:18,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:12:18,543 INFO L158 Benchmark]: Toolchain (without parser) took 23448.92ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 65.3MB in the beginning and 89.4MB in the end (delta: -24.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-12-02 08:12:18,543 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:12:18,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1587.52ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 65.1MB in the beginning and 126.7MB in the end (delta: -61.7MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-12-02 08:12:18,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 122.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:12:18,544 INFO L158 Benchmark]: Boogie Preprocessor took 37.33ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 120.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:12:18,544 INFO L158 Benchmark]: RCFGBuilder took 5299.54ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 103.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:12:18,544 INFO L158 Benchmark]: TraceAbstraction took 16371.50ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 94.3MB in the end (delta: 8.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-12-02 08:12:18,545 INFO L158 Benchmark]: Witness Printer took 87.46ms. Allocated memory is still 176.2MB. Free memory was 94.3MB in the beginning and 89.4MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:12:18,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1587.52ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 65.1MB in the beginning and 126.7MB in the end (delta: -61.7MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 122.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.33ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 120.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5299.54ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 103.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16371.50ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 94.3MB in the end (delta: 8.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 87.46ms. Allocated memory is still 176.2MB. Free memory was 94.3MB in the beginning and 89.4MB in the end (delta: 4.9MB). 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 - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1866]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 619 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 331 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 288 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 8 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 5 NumberOfNonLiveVariables, 530 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 32/32 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 08:12:18,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37005e0b-7c34-419e-b650-850a679b500b/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: TRUE