./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:00:16,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:00:16,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 17:00:16,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:00:16,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:00:16,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:00:16,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:00:16,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:00:16,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:00:16,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:00:16,229 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:00:16,229 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:00:16,230 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:00:16,230 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:00:16,231 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:00:16,231 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:00:16,232 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:00:16,232 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:00:16,233 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:00:16,234 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:00:16,234 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:00:16,235 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:00:16,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:00:16,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:00:16,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:00:16,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:00:16,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:00:16,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:00:16,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:00:16,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:00:16,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:00:16,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:00:16,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:00:16,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:00:16,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:00:16,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:00:16,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:00:16,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:00:16,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:00:16,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:00:16,242 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:00:16,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:00:16,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:00:16,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:00:16,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:00:16,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:00:16,243 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab [2023-12-02 17:00:16,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:00:16,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:00:16,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:00:16,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:00:16,476 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:00:16,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2023-12-02 17:00:19,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:00:19,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:00:19,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2023-12-02 17:00:19,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data/f6d36dee7/12ef9d399bf74cc5821cda2e7e58ab2c/FLAGbbcfca434 [2023-12-02 17:00:19,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data/f6d36dee7/12ef9d399bf74cc5821cda2e7e58ab2c [2023-12-02 17:00:19,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:00:19,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:00:19,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:00:19,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:00:19,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:00:19,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:00:19" (1/1) ... [2023-12-02 17:00:19,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5803b270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:19, skipping insertion in model container [2023-12-02 17:00:19,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:00:19" (1/1) ... [2023-12-02 17:00:19,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:00:21,107 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-02 17:00:21,111 INFO L158 Benchmark]: Toolchain (without parser) took 1491.17ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 67.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 17:00:21,111 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:00:21,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1489.43ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 67.2MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 17:00:21,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1489.43ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 67.2MB in the end (delta: 24.9MB). 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:610) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:00:22,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:00:22,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 17:00:22,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:00:22,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:00:23,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:00:23,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:00:23,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:00:23,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:00:23,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:00:23,007 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:00:23,008 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:00:23,008 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:00:23,009 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:00:23,010 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:00:23,010 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:00:23,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:00:23,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:00:23,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:00:23,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:00:23,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:00:23,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:00:23,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:00:23,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:00:23,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:00:23,018 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:00:23,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:00:23,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:00:23,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:00:23,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:00:23,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:00:23,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:00:23,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:00:23,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:00:23,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:00:23,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:00:23,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:00:23,022 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:00:23,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:00:23,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:00:23,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:00:23,023 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:00:23,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:00:23,023 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b03190e582a69eccb1ceafd9974a6e2c65b41338599b6a6806bac6131bf2ab [2023-12-02 17:00:23,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:00:23,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:00:23,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:00:23,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:00:23,328 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:00:23,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2023-12-02 17:00:26,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:00:26,614 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:00:26,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_09_good.i [2023-12-02 17:00:26,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data/11db3d716/3f87dcd9ef024190960b7714abef7c84/FLAGa7b333f47 [2023-12-02 17:00:26,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/data/11db3d716/3f87dcd9ef024190960b7714abef7c84 [2023-12-02 17:00:26,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:00:26,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:00:26,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:00:26,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:00:26,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:00:26,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:00:26" (1/1) ... [2023-12-02 17:00:26,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe67f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:26, skipping insertion in model container [2023-12-02 17:00:26,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:00:26" (1/1) ... [2023-12-02 17:00:26,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:00:27,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:00:27,941 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:00:28,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:00:28,357 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:00:28,358 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:00:28,358 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:00:28,358 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:00:28,358 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:00:28,364 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:00:28,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28 WrapperNode [2023-12-02 17:00:28,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:00:28,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:00:28,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:00:28,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:00:28,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,442 INFO L138 Inliner]: procedures = 946, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2023-12-02 17:00:28,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:00:28,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:00:28,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:00:28,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:00:28,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:00:28,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:00:28,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:00:28,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:00:28,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (1/1) ... [2023-12-02 17:00:28,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:00:28,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:00:28,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:00:28,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:00:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 17:00:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 17:00:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:00:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:00:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 17:00:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:00:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:00:28,735 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:00:28,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:00:34,046 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:00:34,080 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:00:34,080 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 17:00:34,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:00:34 BoogieIcfgContainer [2023-12-02 17:00:34,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:00:34,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:00:34,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:00:34,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:00:34,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:00:26" (1/3) ... [2023-12-02 17:00:34,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c22f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:00:34, skipping insertion in model container [2023-12-02 17:00:34,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:00:28" (2/3) ... [2023-12-02 17:00:34,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c22f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:00:34, skipping insertion in model container [2023-12-02 17:00:34,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:00:34" (3/3) ... [2023-12-02 17:00:34,090 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_09_good.i [2023-12-02 17:00:34,108 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:00:34,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-12-02 17:00:34,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:00:34,159 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@42c7f81c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:00:34,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-12-02 17:00:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 57 states have internal predecessors, (72), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:00:34,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 17:00:34,172 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:00:34,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:00:34,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:00:34,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:00:34,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1412037661, now seen corresponding path program 1 times [2023-12-02 17:00:34,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:00:34,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746519868] [2023-12-02 17:00:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:34,193 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 [2023-12-02 17:00:34,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:00:34,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:00:34,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 17:00:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:00:34,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:00:34,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:00:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:00:34,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:00:34,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:00:34,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746519868] [2023-12-02 17:00:34,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746519868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:00:34,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:00:34,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:00:34,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702900509] [2023-12-02 17:00:34,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:00:34,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:00:34,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:00:34,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:00:34,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:00:34,429 INFO L87 Difference]: Start difference. First operand has 72 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 57 states have internal predecessors, (72), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2023-12-02 17:00:34,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:00:34,511 INFO L93 Difference]: Finished difference Result 136 states and 180 transitions. [2023-12-02 17:00:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:00:34,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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 [2023-12-02 17:00:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:00:34,526 INFO L225 Difference]: With dead ends: 136 [2023-12-02 17:00:34,526 INFO L226 Difference]: Without dead ends: 66 [2023-12-02 17:00:34,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:00:34,534 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:00:34,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 80 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:00:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-12-02 17:00:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-12-02 17:00:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 53 states have internal predecessors, (62), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 17:00:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2023-12-02 17:00:34,583 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 11 [2023-12-02 17:00:34,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:00:34,585 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2023-12-02 17:00:34,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2023-12-02 17:00:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-12-02 17:00:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:00:34,587 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:00:34,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:00:34,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:00:34,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:00:34,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:00:34,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:00:34,791 INFO L85 PathProgramCache]: Analyzing trace with hash -571560190, now seen corresponding path program 1 times [2023-12-02 17:00:34,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:00:34,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759225638] [2023-12-02 17:00:34,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:34,792 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 [2023-12-02 17:00:34,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:00:34,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:00:34,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 17:00:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:00:34,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:00:34,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:00:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:00:34,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:00:34,965 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:00:34,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759225638] [2023-12-02 17:00:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759225638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:00:34,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:00:34,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:00:34,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113858324] [2023-12-02 17:00:34,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:00:34,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:00:34,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:00:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:00:34,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:00:34,969 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:00:37,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:39,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:00:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:00:40,057 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2023-12-02 17:00:40,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:00:40,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-12-02 17:00:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:00:40,060 INFO L225 Difference]: With dead ends: 127 [2023-12-02 17:00:40,060 INFO L226 Difference]: Without dead ends: 74 [2023-12-02 17:00:40,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:00:40,062 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 18 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:00:40,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 208 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2023-12-02 17:00:40,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-02 17:00:40,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2023-12-02 17:00:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 55 states have internal predecessors, (65), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 17:00:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2023-12-02 17:00:40,077 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 13 [2023-12-02 17:00:40,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:00:40,077 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2023-12-02 17:00:40,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:00:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-12-02 17:00:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 17:00:40,079 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:00:40,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:00:40,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 17:00:40,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:00:40,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:00:40,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:00:40,284 INFO L85 PathProgramCache]: Analyzing trace with hash -538492597, now seen corresponding path program 1 times [2023-12-02 17:00:40,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:00:40,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859522581] [2023-12-02 17:00:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:40,285 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 [2023-12-02 17:00:40,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:00:40,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:00:40,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:00:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:00:40,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:00:40,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:00:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:00:40,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:00:40,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:00:40,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859522581] [2023-12-02 17:00:40,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859522581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:00:40,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:00:40,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:00:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764513553] [2023-12-02 17:00:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:00:40,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:00:40,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:00:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:00:40,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:00:40,438 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2023-12-02 17:00:40,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:00:40,482 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2023-12-02 17:00:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:00:40,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 [2023-12-02 17:00:40,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:00:40,484 INFO L225 Difference]: With dead ends: 118 [2023-12-02 17:00:40,484 INFO L226 Difference]: Without dead ends: 69 [2023-12-02 17:00:40,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:00:40,486 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:00:40,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:00:40,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-02 17:00:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-02 17:00:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.375) internal successors, (66), 56 states have internal predecessors, (66), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 17:00:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2023-12-02 17:00:40,496 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 14 [2023-12-02 17:00:40,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:00:40,497 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2023-12-02 17:00:40,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2023-12-02 17:00:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-12-02 17:00:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:00:40,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:00:40,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:00:40,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 17:00:40,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:00:40,699 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:00:40,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:00:40,699 INFO L85 PathProgramCache]: Analyzing trace with hash 486473764, now seen corresponding path program 1 times [2023-12-02 17:00:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:00:40,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747783705] [2023-12-02 17:00:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:40,700 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 [2023-12-02 17:00:40,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:00:40,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:00:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:01:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:01:57,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:01:57,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:01:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:01:58,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:01:58,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:01:58,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747783705] [2023-12-02 17:01:58,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747783705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:01:58,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:01:58,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:01:58,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108893562] [2023-12-02 17:01:58,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:01:58,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:01:58,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:01:58,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:01:58,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:01:58,327 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:02:00,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:02:02,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:02:04,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:02:05,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:05,316 INFO L93 Difference]: Finished difference Result 122 states and 150 transitions. [2023-12-02 17:02:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:02:05,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-12-02 17:02:05,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:05,318 INFO L225 Difference]: With dead ends: 122 [2023-12-02 17:02:05,318 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 17:02:05,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:05,320 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 18 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:05,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 343 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-12-02 17:02:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 17:02:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2023-12-02 17:02:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.34) internal successors, (67), 57 states have internal predecessors, (67), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 17:02:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2023-12-02 17:02:05,333 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 15 [2023-12-02 17:02:05,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:05,333 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2023-12-02 17:02:05,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:02:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-12-02 17:02:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:05,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:05,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:05,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:02:05,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:02:05,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:02:05,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:05,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2099182419, now seen corresponding path program 1 times [2023-12-02 17:02:05,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:02:05,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767505753] [2023-12-02 17:02:05,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:05,536 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 [2023-12-02 17:02:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:02:05,537 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:02:05,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 17:03:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:22,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:03:22,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:03:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:23,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:03:23,385 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:03:23,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767505753] [2023-12-02 17:03:23,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767505753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:23,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:23,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:03:23,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551413397] [2023-12-02 17:03:23,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:23,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:03:23,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:03:23,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:03:23,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:03:23,387 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:03:24,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:24,150 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2023-12-02 17:03:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:03:24,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-12-02 17:03:24,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:24,152 INFO L225 Difference]: With dead ends: 76 [2023-12-02 17:03:24,152 INFO L226 Difference]: Without dead ends: 75 [2023-12-02 17:03:24,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:03:24,153 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 25 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:24,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 215 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 17:03:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-02 17:03:24,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2023-12-02 17:03:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 17:03:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2023-12-02 17:03:24,164 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 16 [2023-12-02 17:03:24,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:24,164 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2023-12-02 17:03:24,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:03:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-12-02 17:03:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 17:03:24,166 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:24,166 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:24,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-02 17:03:24,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:03:24,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:03:24,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash -909868327, now seen corresponding path program 1 times [2023-12-02 17:03:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:03:24,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326808919] [2023-12-02 17:03:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:24,368 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 [2023-12-02 17:03:24,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:03:24,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:03:24,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 17:03:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:24,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:03:24,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:03:24,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:24,490 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:03:24,490 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:03:24,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326808919] [2023-12-02 17:03:24,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326808919] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:24,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:24,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:03:24,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492639390] [2023-12-02 17:03:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:24,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:03:24,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:03:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:03:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:03:24,492 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 17:03:24,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:24,513 INFO L93 Difference]: Finished difference Result 110 states and 133 transitions. [2023-12-02 17:03:24,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:03:24,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-12-02 17:03:24,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:24,515 INFO L225 Difference]: With dead ends: 110 [2023-12-02 17:03:24,515 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 17:03:24,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:03:24,517 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:24,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:03:24,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 17:03:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 17:03:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 54 states have internal predecessors, (61), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:03:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2023-12-02 17:03:24,526 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 24 [2023-12-02 17:03:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:24,526 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-12-02 17:03:24,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 17:03:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2023-12-02 17:03:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 17:03:24,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:24,528 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:24,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 17:03:24,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:03:24,732 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:03:24,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:24,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1286021702, now seen corresponding path program 1 times [2023-12-02 17:03:24,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:03:24,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512525777] [2023-12-02 17:03:24,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:24,733 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 [2023-12-02 17:03:24,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:03:24,734 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:03:24,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 17:03:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:24,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:03:24,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:03:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 17:03:24,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:03:24,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:03:24,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512525777] [2023-12-02 17:03:24,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512525777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:24,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:24,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:03:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758678530] [2023-12-02 17:03:24,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:24,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:03:24,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:03:24,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:03:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:03:24,848 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:03:26,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:28,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:29,432 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2023-12-02 17:03:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:03:29,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-12-02 17:03:29,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:29,433 INFO L225 Difference]: With dead ends: 103 [2023-12-02 17:03:29,433 INFO L226 Difference]: Without dead ends: 71 [2023-12-02 17:03:29,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:03:29,434 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 16 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:29,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 171 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 17:03:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-02 17:03:29,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2023-12-02 17:03:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 56 states have internal predecessors, (63), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:03:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2023-12-02 17:03:29,441 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 26 [2023-12-02 17:03:29,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:29,441 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2023-12-02 17:03:29,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:03:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2023-12-02 17:03:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 17:03:29,442 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:29,442 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:29,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 17:03:29,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:03:29,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:03:29,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:29,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1211962948, now seen corresponding path program 1 times [2023-12-02 17:03:29,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:03:29,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522371401] [2023-12-02 17:03:29,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:29,647 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 [2023-12-02 17:03:29,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:03:29,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:03:29,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 17:03:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:29,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:03:29,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:03:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 17:03:29,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:03:29,752 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:03:29,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522371401] [2023-12-02 17:03:29,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522371401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:29,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:29,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:03:29,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117186110] [2023-12-02 17:03:29,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:29,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:03:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:03:29,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:03:29,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:03:29,754 INFO L87 Difference]: Start difference. First operand 67 states and 79 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:03:29,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:29,788 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2023-12-02 17:03:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:03:29,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-12-02 17:03:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:29,790 INFO L225 Difference]: With dead ends: 92 [2023-12-02 17:03:29,790 INFO L226 Difference]: Without dead ends: 68 [2023-12-02 17:03:29,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:03:29,791 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:29,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:03:29,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-12-02 17:03:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-12-02 17:03:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 57 states have internal predecessors, (64), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:03:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2023-12-02 17:03:29,799 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 27 [2023-12-02 17:03:29,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:29,799 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2023-12-02 17:03:29,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:03:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-12-02 17:03:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 17:03:29,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:29,801 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:29,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-12-02 17:03:30,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:03:30,003 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:03:30,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:30,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1083729404, now seen corresponding path program 1 times [2023-12-02 17:03:30,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:03:30,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483062754] [2023-12-02 17:03:30,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:30,004 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 [2023-12-02 17:03:30,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:03:30,005 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:03:30,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:04:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:45,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:04:45,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:04:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 17:04:46,645 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:04:46,645 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:04:46,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483062754] [2023-12-02 17:04:46,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483062754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:46,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:46,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:04:46,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251802317] [2023-12-02 17:04:46,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:46,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:04:46,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:04:46,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:04:46,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:04:46,647 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:04:49,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:04:51,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:04:53,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:04:53,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:53,512 INFO L93 Difference]: Finished difference Result 98 states and 112 transitions. [2023-12-02 17:04:53,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:04:53,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-12-02 17:04:53,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:53,514 INFO L225 Difference]: With dead ends: 98 [2023-12-02 17:04:53,514 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 17:04:53,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:04:53,515 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 16 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:53,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 276 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-12-02 17:04:53,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 17:04:53,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-12-02 17:04:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 58 states have internal predecessors, (65), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:04:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2023-12-02 17:04:53,521 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 28 [2023-12-02 17:04:53,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:53,521 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2023-12-02 17:04:53,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:04:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2023-12-02 17:04:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 17:04:53,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:53,522 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:53,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 17:04:53,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:04:53,723 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:04:53,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:53,723 INFO L85 PathProgramCache]: Analyzing trace with hash -764126722, now seen corresponding path program 1 times [2023-12-02 17:04:53,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:04:53,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565763321] [2023-12-02 17:04:53,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:53,724 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 [2023-12-02 17:04:53,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:04:53,725 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:04:53,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:06:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:06:17,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:06:17,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:06:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 17:06:17,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:06:17,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:06:17,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565763321] [2023-12-02 17:06:17,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565763321] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:06:17,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:06:17,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:06:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226608761] [2023-12-02 17:06:17,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:06:17,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:06:17,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:06:17,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:06:17,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:06:17,633 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:06:18,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:06:18,370 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2023-12-02 17:06:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:06:18,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-02 17:06:18,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:06:18,372 INFO L225 Difference]: With dead ends: 73 [2023-12-02 17:06:18,373 INFO L226 Difference]: Without dead ends: 72 [2023-12-02 17:06:18,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:06:18,374 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 21 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 17:06:18,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 176 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 17:06:18,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-02 17:06:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2023-12-02 17:06:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 57 states have internal predecessors, (64), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:06:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2023-12-02 17:06:18,381 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 29 [2023-12-02 17:06:18,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:06:18,381 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2023-12-02 17:06:18,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:06:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-12-02 17:06:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 17:06:18,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:06:18,383 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:06:18,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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)] Forceful destruction successful, exit code 0 [2023-12-02 17:06:18,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:06:18,584 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:06:18,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:06:18,585 INFO L85 PathProgramCache]: Analyzing trace with hash 404655688, now seen corresponding path program 1 times [2023-12-02 17:06:18,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:06:18,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418339079] [2023-12-02 17:06:18,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:06:18,585 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 [2023-12-02 17:06:18,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:06:18,586 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:06:18,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 (12)] Waiting until timeout for monitored process [2023-12-02 17:06:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:06:18,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:06:18,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:06:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 17:06:18,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:06:18,705 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:06:18,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418339079] [2023-12-02 17:06:18,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418339079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:06:18,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:06:18,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:06:18,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176409525] [2023-12-02 17:06:18,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:06:18,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:06:18,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:06:18,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:06:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:06:18,706 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-12-02 17:06:18,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:06:18,870 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2023-12-02 17:06:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:06:18,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 36 [2023-12-02 17:06:18,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:06:18,871 INFO L225 Difference]: With dead ends: 68 [2023-12-02 17:06:18,871 INFO L226 Difference]: Without dead ends: 66 [2023-12-02 17:06:18,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:06:18,872 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:06:18,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 118 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:06:18,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-12-02 17:06:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-12-02 17:06:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 54 states have (on average 1.1481481481481481) internal successors, (62), 55 states have internal predecessors, (62), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:06:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2023-12-02 17:06:18,878 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 36 [2023-12-02 17:06:18,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:06:18,879 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2023-12-02 17:06:18,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-12-02 17:06:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2023-12-02 17:06:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 17:06:18,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:06:18,881 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:06:18,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 (12)] Ended with exit code 0 [2023-12-02 17:06:19,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:06:19,081 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-12-02 17:06:19,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:06:19,082 INFO L85 PathProgramCache]: Analyzing trace with hash -858527643, now seen corresponding path program 1 times [2023-12-02 17:06:19,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:06:19,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884954953] [2023-12-02 17:06:19,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:06:19,082 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 [2023-12-02 17:06:19,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:06:19,083 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:06:19,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 (13)] Waiting until timeout for monitored process [2023-12-02 17:06:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:06:19,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:06:19,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:06:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 17:06:19,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:06:19,240 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:06:19,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884954953] [2023-12-02 17:06:19,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884954953] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:06:19,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:06:19,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:06:19,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539893510] [2023-12-02 17:06:19,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:06:19,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:06:19,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:06:19,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:06:19,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:06:19,242 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-02 17:06:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:06:19,332 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2023-12-02 17:06:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:06:19,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2023-12-02 17:06:19,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:06:19,336 INFO L225 Difference]: With dead ends: 66 [2023-12-02 17:06:19,336 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:06:19,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:06:19,338 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:06:19,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:06:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:06:19,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:06:19,339 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) [2023-12-02 17:06:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:06:19,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-12-02 17:06:19,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:06:19,339 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:06:19,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-02 17:06:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:06:19,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:06:19,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-12-02 17:06:19,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-12-02 17:06:19,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 (13)] Forceful destruction successful, exit code 0 [2023-12-02 17:06:19,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:06:19,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:06:20,898 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-12-02 17:06:20,898 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-12-02 17:06:20,898 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-12-02 17:06:20,898 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-12-02 17:06:20,898 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1918(lines 1918 1933) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L895 garLoopResultBuilder]: At program point L1852(line 1852) the Hoare annotation is: false [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1852-1(line 1852) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1902(lines 1902 1909) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 1849) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1902-2(lines 1899 1917) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1836-2(lines 1833 1866) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1913) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L895 garLoopResultBuilder]: At program point L1894(line 1894) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32))) [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1894-1(line 1894) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1856) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L895 garLoopResultBuilder]: At program point L1944(line 1944) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32))) [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point L1944-1(line 1944) no Hoare annotation was computed. [2023-12-02 17:06:20,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1929) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1858) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point L1887(line 1887) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point L1887-3(lines 1887 1895) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L895 garLoopResultBuilder]: At program point L1846(line 1846) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point L1846-1(line 1846) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L895 garLoopResultBuilder]: At program point L1904(line 1904) the Hoare annotation is: false [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point L1871(lines 1871 1884) no Hoare annotation was computed. [2023-12-02 17:06:20,900 INFO L899 garLoopResultBuilder]: For program point L1904-1(line 1904) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1871-2(lines 1868 1897) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1929) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1929(line 1929) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1929-1(line 1929) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L895 garLoopResultBuilder]: At program point L1863(line 1863) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32))) [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1863-1(line 1863) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L895 garLoopResultBuilder]: At program point L1946(line 1946) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1913(line 1913) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1946-1(line 1946) no Hoare annotation was computed. [2023-12-02 17:06:20,901 INFO L899 garLoopResultBuilder]: For program point L1913-1(line 1913) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L895 garLoopResultBuilder]: At program point L1930(line 1930) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1930-1(line 1930) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1922(lines 1922 1925) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1889(line 1889) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1856(line 1856) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1889-1(line 1889) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1922-2(lines 1919 1933) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1856-1(line 1856) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1856-3(lines 1856 1864) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L899 garLoopResultBuilder]: For program point L1856-5(lines 1832 1866) no Hoare annotation was computed. [2023-12-02 17:06:20,902 INFO L895 garLoopResultBuilder]: At program point L1914(line 1914) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|)) [2023-12-02 17:06:20,903 INFO L895 garLoopResultBuilder]: At program point L1881(line 1881) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32))))))))) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32))) [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point L1914-1(line 1914) no Hoare annotation was computed. [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point L1881-1(line 1881) no Hoare annotation was computed. [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point L1840(lines 1840 1847) no Hoare annotation was computed. [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point L1840-2(lines 1840 1847) no Hoare annotation was computed. [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 1917) no Hoare annotation was computed. [2023-12-02 17:06:20,903 INFO L895 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32))))))))) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32))) [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2023-12-02 17:06:20,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point L1858(line 1858) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point L1858-1(line 1858) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 1882) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point L1875-2(lines 1875 1882) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 1897) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L895 garLoopResultBuilder]: At program point L1859(line 1859) the Hoare annotation is: (and (= ~GLOBAL_CONST_TRUE~0 (_ bv1 32)) (= ~GLOBAL_CONST_FALSE~0 (_ bv0 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point L1859-1(line 1859) no Hoare annotation was computed. [2023-12-02 17:06:20,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1858) no Hoare annotation was computed. [2023-12-02 17:06:20,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1913) no Hoare annotation was computed. [2023-12-02 17:06:20,907 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:06:20,909 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:06:20,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:06:20 BoogieIcfgContainer [2023-12-02 17:06:20,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:06:20,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:06:20,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:06:20,913 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:06:20,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:00:34" (3/4) ... [2023-12-02 17:06:20,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:06:20,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 17:06:20,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 17:06:20,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-02 17:06:20,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 17:06:20,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 17:06:20,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:06:20,927 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:06:21,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:06:21,012 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:06:21,012 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:06:21,013 INFO L158 Benchmark]: Toolchain (without parser) took 354356.26ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 57.8MB in the beginning and 61.4MB in the end (delta: -3.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,013 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:06:21,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1707.48ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 50.2MB in the end (delta: 7.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.52ms. Allocated memory is still 104.9MB. Free memory was 50.2MB in the beginning and 45.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,015 INFO L158 Benchmark]: Boogie Preprocessor took 40.07ms. Allocated memory is still 104.9MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,015 INFO L158 Benchmark]: RCFGBuilder took 5596.38ms. Allocated memory is still 104.9MB. Free memory was 43.1MB in the beginning and 61.0MB in the end (delta: -17.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,016 INFO L158 Benchmark]: TraceAbstraction took 346828.66ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 67.7MB in the end (delta: -8.0MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,016 INFO L158 Benchmark]: Witness Printer took 99.24ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 61.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:06:21,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1707.48ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 50.2MB in the end (delta: 7.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.52ms. Allocated memory is still 104.9MB. Free memory was 50.2MB in the beginning and 45.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.07ms. Allocated memory is still 104.9MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5596.38ms. Allocated memory is still 104.9MB. Free memory was 43.1MB in the beginning and 61.0MB in the end (delta: -17.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 346828.66ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 67.7MB in the end (delta: -8.0MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 99.24ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 61.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1913]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1913]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1929]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1929]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 346.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 284 SdHoareTripleChecker+Valid, 24.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 2049 SdHoareTripleChecker+Invalid, 24.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1211 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 838 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 30 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 64 PreInvPairs, 72 NumberOfFragments, 213 HoareAnnotationTreeSize, 64 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 41 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 313.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 272 ConstructedInterpolants, 10 QuantifiedInterpolants, 888 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1284 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 44/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 17:06:21,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c489da2-19fd-4a93-9c89-dc606226ee90/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE