./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 668d2b2cdd7b328f4b218ca313839bd9da2bb93bfd2b68b0f49309a49e8d2bdb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:51:03,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:51:03,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 15:51:03,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:51:03,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:51:04,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:51:04,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:51:04,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:51:04,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:51:04,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:51:04,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:51:04,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:51:04,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:51:04,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:51:04,010 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:51:04,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:51:04,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:51:04,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:51:04,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:51:04,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:51:04,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:51:04,012 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:51:04,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:51:04,013 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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 -> 668d2b2cdd7b328f4b218ca313839bd9da2bb93bfd2b68b0f49309a49e8d2bdb [2024-12-02 15:51:04,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:51:04,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:51:04,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:51:04,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:51:04,249 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:51:04,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_good.i [2024-12-02 15:51:06,921 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/59f728332/14ed0893eb9b4ed192687953d465e441/FLAGde0d31c94 [2024-12-02 15:51:07,249 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:51:07,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_good.i [2024-12-02 15:51:07,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/59f728332/14ed0893eb9b4ed192687953d465e441/FLAGde0d31c94 [2024-12-02 15:51:07,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/59f728332/14ed0893eb9b4ed192687953d465e441 [2024-12-02 15:51:07,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:51:07,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:51:07,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:51:07,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:51:07,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:51:07,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:07" (1/1) ... [2024-12-02 15:51:07,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699256ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:07, skipping insertion in model container [2024-12-02 15:51:07,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:07" (1/1) ... [2024-12-02 15:51:07,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:51:08,623 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-02 15:51:08,628 INFO L158 Benchmark]: Toolchain (without parser) took 1339.85ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 87.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:51:08,628 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:51:08,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.91ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 87.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:51:08,630 INFO L338 ainManager$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 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.91ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 87.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. 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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 668d2b2cdd7b328f4b218ca313839bd9da2bb93bfd2b68b0f49309a49e8d2bdb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:51:10,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:51:10,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 15:51:10,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:51:10,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:51:10,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 15:51:10,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:51:10,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:51:10,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:51:10,616 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:51:10,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:51:10,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:51:10,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:51:10,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:51:10,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:51:10,617 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:51:10,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:51:10,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:51:10,619 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:51:10,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:51:10,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:51:10,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:51:10,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:51:10,620 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_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 -> 668d2b2cdd7b328f4b218ca313839bd9da2bb93bfd2b68b0f49309a49e8d2bdb [2024-12-02 15:51:10,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:51:10,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:51:10,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:51:10,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:51:10,887 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:51:10,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_good.i [2024-12-02 15:51:13,648 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/f61801de0/aa3522d3d9a7466fadd75afa941c74c7/FLAGdeef92018 [2024-12-02 15:51:13,949 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:51:13,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_good.i [2024-12-02 15:51:13,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/f61801de0/aa3522d3d9a7466fadd75afa941c74c7/FLAGdeef92018 [2024-12-02 15:51:13,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/data/f61801de0/aa3522d3d9a7466fadd75afa941c74c7 [2024-12-02 15:51:13,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:51:13,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:51:13,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:51:13,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:51:13,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:51:13,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:13" (1/1) ... [2024-12-02 15:51:13,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3988d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:13, skipping insertion in model container [2024-12-02 15:51:13,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:13" (1/1) ... [2024-12-02 15:51:14,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:51:15,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:51:15,523 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:51:15,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:51:15,800 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:51:15,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15 WrapperNode [2024-12-02 15:51:15,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:51:15,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:51:15,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:51:15,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:51:15,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,855 INFO L138 Inliner]: procedures = 946, calls = 37, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 91 [2024-12-02 15:51:15,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:51:15,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:51:15,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:51:15,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:51:15,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,877 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 15:51:15,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,885 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:51:15,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:51:15,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:51:15,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:51:15,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (1/1) ... [2024-12-02 15:51:15,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:51:15,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:51:15,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:51:15,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:51:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 15:51:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 15:51:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:51:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:51:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:51:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 15:51:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 15:51:16,096 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:51:16,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:51:23,352 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-02 15:51:23,352 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:51:23,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:51:23,362 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 15:51:23,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:23 BoogieIcfgContainer [2024-12-02 15:51:23,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:51:23,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:51:23,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:51:23,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:51:23,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:51:13" (1/3) ... [2024-12-02 15:51:23,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576ef227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:51:23, skipping insertion in model container [2024-12-02 15:51:23,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:15" (2/3) ... [2024-12-02 15:51:23,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576ef227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:51:23, skipping insertion in model container [2024-12-02 15:51:23,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:23" (3/3) ... [2024-12-02 15:51:23,373 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_22_good.i [2024-12-02 15:51:23,388 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:51:23,389 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_22_good.i that has 3 procedures, 55 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 15:51:23,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:51:23,443 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;@13928478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:51:23,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 15:51:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 47 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 15:51:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 15:51:23,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:23,454 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:23,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:51:23,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:23,460 INFO L85 PathProgramCache]: Analyzing trace with hash 705709667, now seen corresponding path program 1 times [2024-12-02 15:51:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:23,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629461448] [2024-12-02 15:51:23,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:23,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:51:23,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:51:23,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:51:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:23,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:51:23,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:23,683 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 15:51:23,683 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:23,684 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:23,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629461448] [2024-12-02 15:51:23,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629461448] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:23,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:23,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928351924] [2024-12-02 15:51:23,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:23,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:51:23,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:23,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:51:23,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:51:23,713 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 47 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:51:27,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:31,785 WARN L539 Checker$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 15:51:35,788 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 15:51:36,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:36,619 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2024-12-02 15:51:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:51:36,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-12-02 15:51:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:36,626 INFO L225 Difference]: With dead ends: 58 [2024-12-02 15:51:36,627 INFO L226 Difference]: Without dead ends: 47 [2024-12-02 15:51:36,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:51:36,631 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 5 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:36,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 175 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-12-02 15:51:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-12-02 15:51:36,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2024-12-02 15:51:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 38 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:51:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2024-12-02 15:51:36,664 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 11 [2024-12-02 15:51:36,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:36,664 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2024-12-02 15:51:36,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:51:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2024-12-02 15:51:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 15:51:36,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:36,666 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:36,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:51:36,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:36,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:51:36,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:36,867 INFO L85 PathProgramCache]: Analyzing trace with hash 402167290, now seen corresponding path program 1 times [2024-12-02 15:51:36,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:36,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220745583] [2024-12-02 15:51:36,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:36,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:36,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:51:36,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:51:36,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:51:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:36,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:51:36,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:36,974 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 15:51:36,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:36,975 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:36,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220745583] [2024-12-02 15:51:36,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220745583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:36,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:36,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:36,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566957818] [2024-12-02 15:51:36,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:36,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:36,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:36,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:36,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:36,977 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 15:51:37,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:37,003 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2024-12-02 15:51:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:37,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 15:51:37,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:37,004 INFO L225 Difference]: With dead ends: 79 [2024-12-02 15:51:37,004 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 15:51:37,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 15:51:37,005 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 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 15:51:37,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:51:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 15:51:37,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-12-02 15:51:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 39 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:51:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2024-12-02 15:51:37,011 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 12 [2024-12-02 15:51:37,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:37,011 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2024-12-02 15:51:37,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 15:51:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2024-12-02 15:51:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 15:51:37,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:37,012 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:37,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:51:37,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:37,213 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:51:37,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:37,213 INFO L85 PathProgramCache]: Analyzing trace with hash -417840827, now seen corresponding path program 1 times [2024-12-02 15:51:37,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:37,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500636017] [2024-12-02 15:51:37,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:37,214 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 15:51:37,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:37,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:51:37,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 15:52:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:26,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:52:26,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:27,457 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 15:52:27,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:52:27,457 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:52:27,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500636017] [2024-12-02 15:52:27,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500636017] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:27,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:27,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:52:27,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658941864] [2024-12-02 15:52:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:27,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:52:27,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:52:27,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:52:27,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:52:27,459 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:52:31,738 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 15:52:35,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:52:39,743 WARN L539 Checker$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 15:52:43,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:52:47,746 WARN L539 Checker$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 15:52:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:47,887 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2024-12-02 15:52:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:52:47,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-12-02 15:52:47,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:47,888 INFO L225 Difference]: With dead ends: 47 [2024-12-02 15:52:47,888 INFO L226 Difference]: Without dead ends: 46 [2024-12-02 15:52:47,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:52:47,889 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:47,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 220 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 5 Unknown, 0 Unchecked, 20.4s Time] [2024-12-02 15:52:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-12-02 15:52:47,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2024-12-02 15:52:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.4) internal successors, (42), 38 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:52:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2024-12-02 15:52:47,895 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 13 [2024-12-02 15:52:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:47,895 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2024-12-02 15:52:47,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:52:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2024-12-02 15:52:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 15:52:47,896 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:47,896 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:47,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-02 15:52:48,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:52:48,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:52:48,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:48,097 INFO L85 PathProgramCache]: Analyzing trace with hash -68163684, now seen corresponding path program 1 times [2024-12-02 15:52:48,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:52:48,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867731773] [2024-12-02 15:52:48,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:48,098 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 15:52:48,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:52:48,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:52:48,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:53:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:45,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:53:45,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:45,733 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 15:53:45,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:45,733 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:45,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867731773] [2024-12-02 15:53:45,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867731773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:45,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:53:45,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902564157] [2024-12-02 15:53:45,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:45,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:53:45,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:45,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:53:45,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:53:45,734 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 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 15:53:45,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:45,991 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-12-02 15:53:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:53:45,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 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 15:53:45,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:45,992 INFO L225 Difference]: With dead ends: 46 [2024-12-02 15:53:45,992 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 15:53:45,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:53:45,993 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:45,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 132 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:53:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 15:53:45,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2024-12-02 15:53:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 37 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:53:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2024-12-02 15:53:45,998 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 14 [2024-12-02 15:53:45,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:45,998 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2024-12-02 15:53:45,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 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 15:53:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2024-12-02 15:53:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 15:53:45,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:45,998 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:46,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 15:53:46,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:53:46,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:53:46,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:46,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1586404842, now seen corresponding path program 1 times [2024-12-02 15:53:46,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:46,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121694664] [2024-12-02 15:53:46,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:53:46,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:53:46,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:53:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:46,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:53:46,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:46,271 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 15:53:46,271 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:46,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:46,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121694664] [2024-12-02 15:53:46,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121694664] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:46,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:46,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:53:46,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566504570] [2024-12-02 15:53:46,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:46,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:53:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:46,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:53:46,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:46,273 INFO L87 Difference]: Start difference. First operand 43 states and 53 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:53:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:46,288 INFO L93 Difference]: Finished difference Result 71 states and 84 transitions. [2024-12-02 15:53:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:53:46,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-12-02 15:53:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:46,289 INFO L225 Difference]: With dead ends: 71 [2024-12-02 15:53:46,289 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 15:53:46,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:46,290 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:46,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 48 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:53:46,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 15:53:46,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-12-02 15:53:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 36 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 15:53:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-12-02 15:53:46,297 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 19 [2024-12-02 15:53:46,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:46,297 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-12-02 15:53:46,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 15:53:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-12-02 15:53:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 15:53:46,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:46,298 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:46,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:53:46,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:46,499 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:53:46,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:46,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1927754001, now seen corresponding path program 1 times [2024-12-02 15:53:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [318434292] [2024-12-02 15:53:46,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:46,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:46,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:53:46,501 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:53:46,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:53:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:46,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:53:46,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:46,593 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 15:53:46,593 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:46,593 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:46,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318434292] [2024-12-02 15:53:46,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318434292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:46,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:46,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:53:46,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774759628] [2024-12-02 15:53:46,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:46,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:53:46,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:46,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:53:46,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:53:46,594 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 15:53:50,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:54,632 WARN L539 Checker$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 15:53:58,634 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 15:53:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:59,589 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2024-12-02 15:53:59,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:53:59,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 21 [2024-12-02 15:53:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:59,590 INFO L225 Difference]: With dead ends: 45 [2024-12-02 15:53:59,591 INFO L226 Difference]: Without dead ends: 44 [2024-12-02 15:53:59,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:53:59,591 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:59,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 116 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2024-12-02 15:53:59,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-12-02 15:53:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2024-12-02 15:53:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 15:53:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-12-02 15:53:59,597 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 21 [2024-12-02 15:53:59,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:59,597 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-12-02 15:53:59,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 15:53:59,597 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-12-02 15:53:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 15:53:59,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:59,598 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:59,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:53:59,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:59,798 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:53:59,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:59,799 INFO L85 PathProgramCache]: Analyzing trace with hash -369163993, now seen corresponding path program 1 times [2024-12-02 15:53:59,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:59,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912907917] [2024-12-02 15:53:59,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:53:59,801 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:53:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 15:53:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:59,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:53:59,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:59,877 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 15:53:59,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:59,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:59,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912907917] [2024-12-02 15:53:59,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912907917] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:59,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:59,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:53:59,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648638986] [2024-12-02 15:53:59,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:59,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:53:59,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:59,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:53:59,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:59,879 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:53:59,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:59,896 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2024-12-02 15:53:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:53:59,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-12-02 15:53:59,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:59,897 INFO L225 Difference]: With dead ends: 58 [2024-12-02 15:53:59,897 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 15:53:59,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:59,898 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 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 15:53:59,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:53:59,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 15:53:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-12-02 15:53:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 36 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 15:53:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-12-02 15:53:59,901 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 22 [2024-12-02 15:53:59,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:59,901 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-12-02 15:53:59,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15:53:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-12-02 15:53:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 15:53:59,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:59,902 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] [2024-12-02 15:53:59,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 15:54:00,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:54:00,103 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:54:00,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:00,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1462611338, now seen corresponding path program 1 times [2024-12-02 15:54:00,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:54:00,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1085467914] [2024-12-02 15:54:00,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:00,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:54:00,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:54:00,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:54:00,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 15:54:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:00,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:54:00,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:54:00,199 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 15:54:00,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:54:00,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:54:00,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085467914] [2024-12-02 15:54:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085467914] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:00,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:54:00,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380336639] [2024-12-02 15:54:00,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:00,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:54:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:54:00,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:54:00,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:54:00,201 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 15:54:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:00,210 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2024-12-02 15:54:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:54:00,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 [2024-12-02 15:54:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:00,211 INFO L225 Difference]: With dead ends: 56 [2024-12-02 15:54:00,211 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 15:54:00,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 15:54:00,211 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 27 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:00,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:54:00,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 15:54:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 15:54:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.25) internal successors, (45), 41 states have internal predecessors, (45), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 15:54:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2024-12-02 15:54:00,217 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 23 [2024-12-02 15:54:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:00,218 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2024-12-02 15:54:00,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 15:54:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-12-02 15:54:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 15:54:00,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:00,219 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] [2024-12-02 15:54:00,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 15:54:00,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:54:00,419 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:54:00,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:00,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1440693203, now seen corresponding path program 1 times [2024-12-02 15:54:00,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:54:00,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532837438] [2024-12-02 15:54:00,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:00,420 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 15:54:00,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:54:00,422 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:54:00,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:54:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:50,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:54:50,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:54:50,469 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 15:54:50,469 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:54:50,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:54:50,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532837438] [2024-12-02 15:54:50,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532837438] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:50,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:50,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:54:50,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307034622] [2024-12-02 15:54:50,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:50,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:54:50,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:54:50,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:54:50,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:54:50,471 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 15:54:54,661 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 15:54:58,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:02,666 WARN L539 Checker$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 15:55:06,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:10,670 WARN L539 Checker$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 15:55:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:10,758 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2024-12-02 15:55:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:55:10,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 23 [2024-12-02 15:55:10,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:10,759 INFO L225 Difference]: With dead ends: 51 [2024-12-02 15:55:10,759 INFO L226 Difference]: Without dead ends: 50 [2024-12-02 15:55:10,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:55:10,759 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:10,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 180 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2024-12-02 15:55:10,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-02 15:55:10,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2024-12-02 15:55:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 40 states have internal predecessors, (44), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 15:55:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2024-12-02 15:55:10,763 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 23 [2024-12-02 15:55:10,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:10,763 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2024-12-02 15:55:10,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 15:55:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2024-12-02 15:55:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 15:55:10,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:10,764 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 15:55:10,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:55:10,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:55:10,965 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:55:10,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:10,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1711816425, now seen corresponding path program 1 times [2024-12-02 15:55:10,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:55:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975884665] [2024-12-02 15:55:10,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:10,966 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 15:55:10,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:55:10,967 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:55:10,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:56:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:04,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:56:04,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:56:05,404 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 15:56:05,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:56:05,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:56:05,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975884665] [2024-12-02 15:56:05,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975884665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:05,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:56:05,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:56:05,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485092374] [2024-12-02 15:56:05,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:05,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:56:05,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:56:05,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:56:05,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:56:05,406 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:56:05,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:05,795 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2024-12-02 15:56:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:56:05,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-12-02 15:56:05,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:05,796 INFO L225 Difference]: With dead ends: 50 [2024-12-02 15:56:05,796 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 15:56:05,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:56:05,796 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 2 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:05,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 149 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:56:05,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 15:56:05,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-12-02 15:56:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 39 states have internal predecessors, (43), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 15:56:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2024-12-02 15:56:05,801 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 24 [2024-12-02 15:56:05,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:05,802 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2024-12-02 15:56:05,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:56:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-12-02 15:56:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 15:56:05,802 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:05,802 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] [2024-12-02 15:56:05,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:56:06,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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 15:56:06,003 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:56:06,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1974707706, now seen corresponding path program 1 times [2024-12-02 15:56:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:56:06,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481966489] [2024-12-02 15:56:06,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:06,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:56:06,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:56:06,005 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:56:06,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 15:56:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:06,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:56:06,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:56:06,090 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 15:56:06,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:56:06,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:56:06,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481966489] [2024-12-02 15:56:06,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481966489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:06,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:56:06,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:56:06,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201637593] [2024-12-02 15:56:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:06,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:56:06,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:56:06,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:56:06,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:56:06,091 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 15:56:06,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:06,123 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2024-12-02 15:56:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:56:06,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 30 [2024-12-02 15:56:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:06,127 INFO L225 Difference]: With dead ends: 47 [2024-12-02 15:56:06,128 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:56:06,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 15:56:06,128 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:06,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:56:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:56:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:56:06,129 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 15:56:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:56:06,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-12-02 15:56:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:06,129 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:56:06,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 15:56:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:56:06,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:56:06,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 15:56:06,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 15:56:06,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 15:56:06,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 15:56:06,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 15:56:06,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 15:56:06,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 15:56:06,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 15:56:06,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 15:56:06,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:56:06,334 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:06,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 15:56:06,398 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:56:06,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:56:06 BoogieIcfgContainer [2024-12-02 15:56:06,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:56:06,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:56:06,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:56:06,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:56:06,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:23" (3/4) ... [2024-12-02 15:56:06,406 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 15:56:06,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 15:56:06,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 15:56:06,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 15:56:06,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 15:56:06,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 15:56:06,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 15:56:06,488 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:56:06,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 15:56:06,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:56:06,489 INFO L158 Benchmark]: Toolchain (without parser) took 292497.47ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 65.2MB in the beginning and 106.9MB in the end (delta: -41.7MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-12-02 15:56:06,490 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:06,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1807.36ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 65.1MB in the beginning and 134.0MB in the end (delta: -68.9MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-12-02 15:56:06,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.39ms. Allocated memory is still 184.5MB. Free memory was 134.0MB in the beginning and 129.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:06,490 INFO L158 Benchmark]: Boogie Preprocessor took 39.53ms. Allocated memory is still 184.5MB. Free memory was 129.9MB in the beginning and 127.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:06,490 INFO L158 Benchmark]: RCFGBuilder took 7466.30ms. Allocated memory is still 184.5MB. Free memory was 127.6MB in the beginning and 109.0MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:56:06,491 INFO L158 Benchmark]: TraceAbstraction took 283037.75ms. Allocated memory is still 184.5MB. Free memory was 108.4MB in the beginning and 112.3MB in the end (delta: -3.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-12-02 15:56:06,491 INFO L158 Benchmark]: Witness Printer took 85.50ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 106.9MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:56:06,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1807.36ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 65.1MB in the beginning and 134.0MB in the end (delta: -68.9MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.39ms. Allocated memory is still 184.5MB. Free memory was 134.0MB in the beginning and 129.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.53ms. Allocated memory is still 184.5MB. Free memory was 129.9MB in the beginning and 127.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7466.30ms. Allocated memory is still 184.5MB. Free memory was 127.6MB in the beginning and 109.0MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 283037.75ms. Allocated memory is still 184.5MB. Free memory was 108.4MB in the beginning and 112.3MB in the end (delta: -3.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 85.50ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 106.9MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1902]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1904]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1904]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1918]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1918]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 282.9s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 67.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 67.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 1364 SdHoareTripleChecker+Invalid, 67.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 841 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 523 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 47, 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, 11 MinimizatonAttempts, 14 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 210.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 201 ConstructedInterpolants, 10 QuantifiedInterpolants, 783 SizeOfPredicates, 4 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 15:56:06,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a75ea-f2fc-43d4-82ec-6b9e93a20caf/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