./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_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_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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_749aa83a-975f-470e-9656-f7c16ef55ea8/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 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:41:21,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:41:21,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 08:41:21,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:41:21,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:41:21,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:41:21,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:41:21,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:41:21,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:41:21,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:41:21,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:41:21,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:41:21,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:41:21,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:41:21,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:41:21,617 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:41:21,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:41:21,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:41:21,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:41:21,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:41:21,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:41:21,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:41:21,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:41:21,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:41:21,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:41:21,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:41:21,619 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_749aa83a-975f-470e-9656-f7c16ef55ea8/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 -> 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab [2024-12-02 08:41:21,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:41:21,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:41:21,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:41:21,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:41:21,839 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:41:21,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2024-12-02 08:41:24,453 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/32f2120bf/d5d6344c37dd466c9488cb2e0678afdc/FLAGcb265b567 [2024-12-02 08:41:24,784 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:41:24,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2024-12-02 08:41:24,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/32f2120bf/d5d6344c37dd466c9488cb2e0678afdc/FLAGcb265b567 [2024-12-02 08:41:25,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/32f2120bf/d5d6344c37dd466c9488cb2e0678afdc [2024-12-02 08:41:25,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:41:25,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:41:25,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:41:25,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:41:25,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:41:25,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:41:25" (1/1) ... [2024-12-02 08:41:25,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a42a2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:25, skipping insertion in model container [2024-12-02 08:41:25,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:41:25" (1/1) ... [2024-12-02 08:41:25,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:41:26,343 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-02 08:41:26,347 INFO L158 Benchmark]: Toolchain (without parser) took 1306.81ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 88.4MB in the end (delta: 24.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:41:26,348 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:41:26,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1305.20ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 88.4MB in the end (delta: 24.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:41:26,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1305.20ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 88.4MB in the end (delta: 24.6MB). 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_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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_749aa83a-975f-470e-9656-f7c16ef55ea8/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 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:41:28,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:41:28,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 08:41:28,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:41:28,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:41:28,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 08:41:28,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:41:28,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:41:28,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:41:28,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:41:28,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:41:28,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:41:28,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:41:28,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:41:28,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:41:28,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:41:28,223 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:41:28,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:41:28,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:41:28,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:41:28,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:41:28,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:41:28,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:41:28,225 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_749aa83a-975f-470e-9656-f7c16ef55ea8/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 -> 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab [2024-12-02 08:41:28,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:41:28,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:41:28,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:41:28,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:41:28,486 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:41:28,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2024-12-02 08:41:31,158 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/16b3a9ef9/5980119094d24740b44d5fe027b7a262/FLAGaddaea2d2 [2024-12-02 08:41:31,447 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:41:31,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2024-12-02 08:41:31,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/16b3a9ef9/5980119094d24740b44d5fe027b7a262/FLAGaddaea2d2 [2024-12-02 08:41:31,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/data/16b3a9ef9/5980119094d24740b44d5fe027b7a262 [2024-12-02 08:41:31,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:41:31,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:41:31,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:41:31,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:41:31,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:41:31,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:41:31" (1/1) ... [2024-12-02 08:41:31,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142803b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:31, skipping insertion in model container [2024-12-02 08:41:31,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:41:31" (1/1) ... [2024-12-02 08:41:31,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:41:32,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:41:32,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:41:33,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:41:33,235 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:41:33,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33 WrapperNode [2024-12-02 08:41:33,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:41:33,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:41:33,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:41:33,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:41:33,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,289 INFO L138 Inliner]: procedures = 945, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135 [2024-12-02 08:41:33,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:41:33,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:41:33,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:41:33,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:41:33,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,317 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2024-12-02 08:41:33,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:41:33,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:41:33,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:41:33,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:41:33,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (1/1) ... [2024-12-02 08:41:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:41:33,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:41:33,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:41:33,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:41:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 08:41:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 08:41:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:41:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:41:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:41:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 08:41:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 08:41:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:41:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 08:41:33,527 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:41:33,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:41:42,739 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-02 08:41:42,739 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:41:42,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:41:42,751 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:41:42,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:41:42 BoogieIcfgContainer [2024-12-02 08:41:42,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:41:42,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:41:42,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:41:42,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:41:42,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:41:31" (1/3) ... [2024-12-02 08:41:42,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fbfaf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:41:42, skipping insertion in model container [2024-12-02 08:41:42,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:41:33" (2/3) ... [2024-12-02 08:41:42,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fbfaf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:41:42, skipping insertion in model container [2024-12-02 08:41:42,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:41:42" (3/3) ... [2024-12-02 08:41:42,763 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_09_good.i [2024-12-02 08:41:42,778 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:41:42,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_09_good.i that has 3 procedures, 71 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-12-02 08:41:42,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:41:42,835 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;@6bdca9e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:41:42,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-12-02 08:41:42,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 08:41:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 08:41:42,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:42,847 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:41:42,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:41:42,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:42,853 INFO L85 PathProgramCache]: Analyzing trace with hash 933868346, now seen corresponding path program 1 times [2024-12-02 08:41:42,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:41:42,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205744957] [2024-12-02 08:41:42,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:42,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:41:42,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:41:42,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:41:42,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:41:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:42,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:41:42,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:41:43,063 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 08:41:43,063 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:41:43,064 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:41:43,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205744957] [2024-12-02 08:41:43,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205744957] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:43,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:43,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:41:43,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020787800] [2024-12-02 08:41:43,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:43,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:41:43,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:41:43,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:41:43,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:41:43,094 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 08:41:47,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:41:51,194 WARN L539 Checker$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 08:41:55,197 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 08:41:55,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:55,577 INFO L93 Difference]: Finished difference Result 136 states and 182 transitions. [2024-12-02 08:41:55,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:41:55,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2024-12-02 08:41:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:55,585 INFO L225 Difference]: With dead ends: 136 [2024-12-02 08:41:55,585 INFO L226 Difference]: Without dead ends: 68 [2024-12-02 08:41:55,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 08:41:55,590 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 11 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:41:55,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 246 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2024-12-02 08:41:55,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-02 08:41:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2024-12-02 08:41:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 56 states have internal predecessors, (66), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 08:41:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2024-12-02 08:41:55,630 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 12 [2024-12-02 08:41:55,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:55,630 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2024-12-02 08:41:55,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 08:41:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2024-12-02 08:41:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 08:41:55,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:55,632 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:41:55,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:41:55,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:41:55,833 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:41:55,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:55,834 INFO L85 PathProgramCache]: Analyzing trace with hash -200681956, now seen corresponding path program 1 times [2024-12-02 08:41:55,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:41:55,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229888511] [2024-12-02 08:41:55,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:55,835 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 08:41:55,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:41:55,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:41:55,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:41:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:55,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:41:55,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:41:55,982 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 08:41:55,982 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:41:55,982 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:41:55,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229888511] [2024-12-02 08:41:55,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229888511] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:55,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:55,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:41:55,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832565787] [2024-12-02 08:41:55,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:55,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:41:55,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:41:55,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:41:55,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:41:55,984 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 08:41:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:56,016 INFO L93 Difference]: Finished difference Result 117 states and 155 transitions. [2024-12-02 08:41:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:41:56,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 14 [2024-12-02 08:41:56,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:56,018 INFO L225 Difference]: With dead ends: 117 [2024-12-02 08:41:56,018 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 08:41:56,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 08:41:56,019 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:41:56,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 71 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:41:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 08:41:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-12-02 08:41:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 56 states have internal predecessors, (61), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 08:41:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2024-12-02 08:41:56,031 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 14 [2024-12-02 08:41:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:56,032 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2024-12-02 08:41:56,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 08:41:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-12-02 08:41:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 08:41:56,033 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:56,033 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:41:56,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:41:56,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:41:56,234 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:41:56,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:56,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1671648588, now seen corresponding path program 1 times [2024-12-02 08:41:56,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:41:56,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [522266101] [2024-12-02 08:41:56,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:56,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:41:56,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:41:56,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:41:56,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:41:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:56,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:41:56,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:41:56,358 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 08:41:56,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:41:56,358 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:41:56,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522266101] [2024-12-02 08:41:56,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522266101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:56,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:56,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:41:56,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614575581] [2024-12-02 08:41:56,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:56,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:41:56,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:41:56,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:41:56,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:41:56,360 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 08:41:56,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:56,396 INFO L93 Difference]: Finished difference Result 112 states and 138 transitions. [2024-12-02 08:41:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:41:56,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2024-12-02 08:41:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:56,399 INFO L225 Difference]: With dead ends: 112 [2024-12-02 08:41:56,399 INFO L226 Difference]: Without dead ends: 65 [2024-12-02 08:41:56,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:41:56,400 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:41:56,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:41:56,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-12-02 08:41:56,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-12-02 08:41:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 57 states have internal predecessors, (62), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 08:41:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-12-02 08:41:56,408 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 15 [2024-12-02 08:41:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:56,409 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-12-02 08:41:56,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 08:41:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-12-02 08:41:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-02 08:41:56,409 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:56,409 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:41:56,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:41:56,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:41:56,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:41:56,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:56,610 INFO L85 PathProgramCache]: Analyzing trace with hash 281373761, now seen corresponding path program 1 times [2024-12-02 08:41:56,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:41:56,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483291616] [2024-12-02 08:41:56,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:56,611 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 08:41:56,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:41:56,613 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:41:56,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:43:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:43:01,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:43:01,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:43:02,419 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 08:43:02,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:43:02,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:43:02,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483291616] [2024-12-02 08:43:02,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483291616] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:43:02,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:43:02,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:43:02,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188812462] [2024-12-02 08:43:02,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:43:02,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:43:02,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:43:02,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:43:02,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:43:02,420 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 08:43:06,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:43:10,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:43:14,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:43:18,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:43:22,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:43:23,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:43:23,005 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2024-12-02 08:43:23,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:43:23,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 16 [2024-12-02 08:43:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:43:23,007 INFO L225 Difference]: With dead ends: 113 [2024-12-02 08:43:23,007 INFO L226 Difference]: Without dead ends: 70 [2024-12-02 08:43:23,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:43:23,008 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 10 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:43:23,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 270 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2024-12-02 08:43:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-12-02 08:43:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2024-12-02 08:43:23,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 58 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 08:43:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2024-12-02 08:43:23,013 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 16 [2024-12-02 08:43:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:43:23,014 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2024-12-02 08:43:23,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 08:43:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2024-12-02 08:43:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 08:43:23,014 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:43:23,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:43:23,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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)] Forceful destruction successful, exit code 0 [2024-12-02 08:43:23,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:43:23,215 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:43:23,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:43:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash 132652078, now seen corresponding path program 1 times [2024-12-02 08:43:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:43:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28626405] [2024-12-02 08:43:23,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:43:23,216 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 08:43:23,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:43:23,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:43:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:44:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:19,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:44:19,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:44:20,141 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 08:44:20,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:44:20,141 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:44:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28626405] [2024-12-02 08:44:20,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28626405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:20,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:20,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:44:20,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609707316] [2024-12-02 08:44:20,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:20,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:44:20,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:44:20,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:44:20,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:44:20,143 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 08:44:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:20,630 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2024-12-02 08:44:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:44:20,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 17 [2024-12-02 08:44:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:20,632 INFO L225 Difference]: With dead ends: 70 [2024-12-02 08:44:20,632 INFO L226 Difference]: Without dead ends: 69 [2024-12-02 08:44:20,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:44:20,633 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 14 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:20,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 210 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:44:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-02 08:44:20,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2024-12-02 08:44:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 57 states have internal predecessors, (62), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 08:44:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-12-02 08:44:20,639 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 17 [2024-12-02 08:44:20,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:20,640 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-12-02 08:44:20,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 08:44:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-12-02 08:44:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 08:44:20,640 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:20,640 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 08:44:20,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:44:20,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:44:20,841 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:44:20,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:20,841 INFO L85 PathProgramCache]: Analyzing trace with hash 291282134, now seen corresponding path program 1 times [2024-12-02 08:44:20,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:44:20,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465129156] [2024-12-02 08:44:20,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:20,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:44:20,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:44:20,843 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:44:20,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:44:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:20,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:44:20,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:44:20,951 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 08:44:20,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:44:20,951 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:44:20,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465129156] [2024-12-02 08:44:20,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465129156] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:20,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:20,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:44:20,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044610020] [2024-12-02 08:44:20,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:20,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:44:20,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:44:20,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:44:20,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:44:20,952 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 08:44:20,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:20,962 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2024-12-02 08:44:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:44:20,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 24 [2024-12-02 08:44:20,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:20,964 INFO L225 Difference]: With dead ends: 105 [2024-12-02 08:44:20,964 INFO L226 Difference]: Without dead ends: 63 [2024-12-02 08:44:20,964 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 08:44:20,964 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:20,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 67 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:44:20,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-02 08:44:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-12-02 08:44:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 55 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:44:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-12-02 08:44:20,971 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 24 [2024-12-02 08:44:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:20,972 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-12-02 08:44:20,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 08:44:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-12-02 08:44:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 08:44:20,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:20,973 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, 1] [2024-12-02 08:44:20,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 08:44:21,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:44:21,173 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:44:21,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:21,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1530885373, now seen corresponding path program 1 times [2024-12-02 08:44:21,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:44:21,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31538211] [2024-12-02 08:44:21,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:21,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:44:21,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:44:21,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:44:21,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 08:44:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:21,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:44:21,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:44:21,273 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 08:44:21,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:44:21,273 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:44:21,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31538211] [2024-12-02 08:44:21,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31538211] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:21,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:21,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:44:21,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237408923] [2024-12-02 08:44:21,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:21,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:44:21,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:44:21,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:44:21,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:44:21,274 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 08:44:25,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:44:29,320 WARN L539 Checker$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 08:44:33,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:44:34,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 08:44:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:34,672 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2024-12-02 08:44:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:44:34,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 26 [2024-12-02 08:44:34,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:34,674 INFO L225 Difference]: With dead ends: 100 [2024-12-02 08:44:34,674 INFO L226 Difference]: Without dead ends: 68 [2024-12-02 08:44:34,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 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 08:44:34,675 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 9 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:34,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 174 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2024-12-02 08:44:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-02 08:44:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2024-12-02 08:44:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 56 states have internal predecessors, (61), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:44:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2024-12-02 08:44:34,679 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 26 [2024-12-02 08:44:34,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:34,679 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2024-12-02 08:44:34,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 08:44:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2024-12-02 08:44:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 08:44:34,681 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:34,681 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, 1, 1] [2024-12-02 08:44:34,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 08:44:34,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:44:34,881 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:44:34,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:34,882 INFO L85 PathProgramCache]: Analyzing trace with hash 212810453, now seen corresponding path program 1 times [2024-12-02 08:44:34,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:44:34,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6271648] [2024-12-02 08:44:34,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:34,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:44:34,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:44:34,883 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:44:34,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 08:44:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:34,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:44:34,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:44:34,980 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 08:44:34,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:44:34,980 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:44:34,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6271648] [2024-12-02 08:44:34,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6271648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:34,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:34,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:44:34,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515220187] [2024-12-02 08:44:34,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:34,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:44:34,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:44:34,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:44:34,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:44:34,981 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 08:44:34,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:34,999 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2024-12-02 08:44:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:44:34,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 27 [2024-12-02 08:44:35,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:35,000 INFO L225 Difference]: With dead ends: 91 [2024-12-02 08:44:35,000 INFO L226 Difference]: Without dead ends: 66 [2024-12-02 08:44:35,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 08:44:35,001 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:35,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:44:35,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-12-02 08:44:35,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-12-02 08:44:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.24) internal successors, (62), 57 states have internal predecessors, (62), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:44:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2024-12-02 08:44:35,005 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 27 [2024-12-02 08:44:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:35,005 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2024-12-02 08:44:35,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 08:44:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2024-12-02 08:44:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-02 08:44:35,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:35,007 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, 1, 1, 1] [2024-12-02 08:44:35,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 08:44:35,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:44:35,207 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:44:35,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:35,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1992935425, now seen corresponding path program 1 times [2024-12-02 08:44:35,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:44:35,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623815270] [2024-12-02 08:44:35,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:35,208 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 08:44:35,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:44:35,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:44:35,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 (10)] Waiting until timeout for monitored process [2024-12-02 08:45:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:45:28,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:45:28,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:45:28,702 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 08:45:28,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:45:28,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:45:28,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623815270] [2024-12-02 08:45:28,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623815270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:45:28,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:45:28,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:45:28,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380282377] [2024-12-02 08:45:28,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:45:28,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:45:28,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:45:28,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:45:28,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:45:28,704 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 08:45:33,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:45:37,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:45:41,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:45:45,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:45:49,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 08:45:49,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:45:49,277 INFO L93 Difference]: Finished difference Result 94 states and 108 transitions. [2024-12-02 08:45:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:45:49,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 28 [2024-12-02 08:45:49,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:45:49,277 INFO L225 Difference]: With dead ends: 94 [2024-12-02 08:45:49,278 INFO L226 Difference]: Without dead ends: 69 [2024-12-02 08:45:49,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:45:49,278 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 14 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:45:49,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 175 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2024-12-02 08:45:49,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-02 08:45:49,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2024-12-02 08:45:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 58 states have internal predecessors, (63), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:45:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2024-12-02 08:45:49,285 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 28 [2024-12-02 08:45:49,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:45:49,285 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2024-12-02 08:45:49,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 08:45:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2024-12-02 08:45:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 08:45:49,286 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:45:49,286 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, 1, 1, 1, 1] [2024-12-02 08:45:49,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 (10)] Forceful destruction successful, exit code 0 [2024-12-02 08:45:49,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:45:49,487 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:45:49,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:45:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1651455913, now seen corresponding path program 1 times [2024-12-02 08:45:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:45:49,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167173569] [2024-12-02 08:45:49,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:45:49,487 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 08:45:49,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:45:49,489 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:45:49,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 (11)] Waiting until timeout for monitored process [2024-12-02 08:46:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:46:39,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:46:39,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:46:40,152 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 08:46:40,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:46:40,153 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:46:40,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167173569] [2024-12-02 08:46:40,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167173569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:46:40,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:46:40,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:46:40,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901772056] [2024-12-02 08:46:40,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:46:40,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:46:40,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:46:40,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:46:40,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:46:40,154 INFO L87 Difference]: Start difference. First operand 67 states and 79 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 08:46:40,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:46:40,593 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2024-12-02 08:46:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:46:40,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 29 [2024-12-02 08:46:40,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:46:40,594 INFO L225 Difference]: With dead ends: 69 [2024-12-02 08:46:40,594 INFO L226 Difference]: Without dead ends: 68 [2024-12-02 08:46:40,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:46:40,595 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 8 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:46:40,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 281 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:46:40,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-02 08:46:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-12-02 08:46:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 57 states have internal predecessors, (62), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:46:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2024-12-02 08:46:40,599 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 29 [2024-12-02 08:46:40,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:46:40,599 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2024-12-02 08:46:40,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 08:46:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2024-12-02 08:46:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 08:46:40,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:46:40,601 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, 1, 1, 1] [2024-12-02 08:46:40,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 (11)] Ended with exit code 0 [2024-12-02 08:46:40,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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 08:46:40,801 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:46:40,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:46:40,802 INFO L85 PathProgramCache]: Analyzing trace with hash -42294246, now seen corresponding path program 1 times [2024-12-02 08:46:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:46:40,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425085974] [2024-12-02 08:46:40,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:46:40,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:46:40,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:46:40,804 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:46:40,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 08:46:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:46:40,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:46:40,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:46:40,908 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 08:46:40,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:46:40,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:46:40,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425085974] [2024-12-02 08:46:40,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425085974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:46:40,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:46:40,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:46:40,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970832707] [2024-12-02 08:46:40,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:46:40,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:46:40,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:46:40,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:46:40,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:46:40,909 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 08:46:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:46:40,975 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2024-12-02 08:46:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:46:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 35 [2024-12-02 08:46:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:46:40,976 INFO L225 Difference]: With dead ends: 66 [2024-12-02 08:46:40,976 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 08:46:40,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 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 08:46:40,977 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:46:40,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 120 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:46:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 08:46:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-12-02 08:46:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 55 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 08:46:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2024-12-02 08:46:40,982 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 35 [2024-12-02 08:46:40,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:46:40,982 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2024-12-02 08:46:40,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 08:46:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2024-12-02 08:46:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 08:46:40,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:46:40,983 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:46:40,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-02 08:46:41,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:46:41,183 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 08:46:41,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:46:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1530209023, now seen corresponding path program 1 times [2024-12-02 08:46:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:46:41,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875593686] [2024-12-02 08:46:41,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:46:41,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:46:41,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:46:41,186 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:46:41,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 08:46:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:46:41,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:46:41,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:46:41,346 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 08:46:41,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:46:41,347 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:46:41,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875593686] [2024-12-02 08:46:41,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875593686] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:46:41,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:46:41,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:46:41,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859919460] [2024-12-02 08:46:41,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:46:41,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:46:41,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:46:41,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:46:41,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:46:41,348 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 08:46:41,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:46:41,387 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2024-12-02 08:46:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:46:41,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2024-12-02 08:46:41,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:46:41,391 INFO L225 Difference]: With dead ends: 64 [2024-12-02 08:46:41,391 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:46:41,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 08:46:41,392 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:46:41,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:46:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:46:41,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:46:41,393 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 08:46:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:46:41,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2024-12-02 08:46:41,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:46:41,393 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:46:41,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 08:46:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:46:41,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:46:41,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-12-02 08:46:41,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-12-02 08:46:41,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-12-02 08:46:41,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-12-02 08:46:41,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 08:46:41,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:46:41,600 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:46:41,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:46:41,955 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:46:41,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:46:41 BoogieIcfgContainer [2024-12-02 08:46:41,960 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:46:41,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:46:41,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:46:41,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:46:41,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:41:42" (3/4) ... [2024-12-02 08:46:41,963 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:46:41,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 08:46:41,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 08:46:41,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-02 08:46:41,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 08:46:41,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 08:46:41,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:46:41,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:46:42,047 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:46:42,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:46:42,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:46:42,048 INFO L158 Benchmark]: Toolchain (without parser) took 310559.57ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 64.5MB in the beginning and 118.0MB in the end (delta: -53.5MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-12-02 08:46:42,049 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:46:42,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1746.01ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 64.2MB in the beginning and 134.4MB in the end (delta: -70.1MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2024-12-02 08:46:42,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.49ms. Allocated memory is still 184.5MB. Free memory was 134.4MB in the beginning and 130.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:46:42,049 INFO L158 Benchmark]: Boogie Preprocessor took 46.37ms. Allocated memory is still 184.5MB. Free memory was 130.3MB in the beginning and 128.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:46:42,050 INFO L158 Benchmark]: RCFGBuilder took 9414.70ms. Allocated memory is still 184.5MB. Free memory was 128.0MB in the beginning and 106.9MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 08:46:42,050 INFO L158 Benchmark]: TraceAbstraction took 299206.58ms. Allocated memory is still 184.5MB. Free memory was 106.4MB in the beginning and 124.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:46:42,050 INFO L158 Benchmark]: Witness Printer took 86.82ms. Allocated memory is still 184.5MB. Free memory was 124.3MB in the beginning and 118.0MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:46:42,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1746.01ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 64.2MB in the beginning and 134.4MB in the end (delta: -70.1MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.49ms. Allocated memory is still 184.5MB. Free memory was 134.4MB in the beginning and 130.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.37ms. Allocated memory is still 184.5MB. Free memory was 130.3MB in the beginning and 128.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 9414.70ms. Allocated memory is still 184.5MB. Free memory was 128.0MB in the beginning and 106.9MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 299206.58ms. Allocated memory is still 184.5MB. Free memory was 106.4MB in the beginning and 124.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.82ms. Allocated memory is still 184.5MB. Free memory was 124.3MB in the beginning and 118.0MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1913]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1913]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1929]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1929]: 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, 71 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 298.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 68.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 67.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 2005 SdHoareTripleChecker+Invalid, 67.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1170 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 835 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 19 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 224.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 276 ConstructedInterpolants, 10 QuantifiedInterpolants, 896 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1129 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 44/44 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 08:46:42,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749aa83a-975f-470e-9656-f7c16ef55ea8/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