./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire --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 f9954bba3a4e8db2be6e002437a3b59f56fde86354241bbae88e4ff55d2f6fca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:50,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:50,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:09:50,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:50,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:50,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:50,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:50,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:50,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:50,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:50,946 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:50,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:50,947 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:50,949 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:50,950 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:50,950 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:50,951 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:50,951 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:50,952 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:50,952 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:50,953 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:50,954 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:50,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:50,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:50,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:50,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:50,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:50,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:50,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:50,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:09:50,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:09:50,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:50,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:50,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:50,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:50,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:50,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:50,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:50,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:50,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:50,965 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:50,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:50,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:50,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:50,967 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:50,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:50,968 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_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9954bba3a4e8db2be6e002437a3b59f56fde86354241bbae88e4ff55d2f6fca [2023-11-23 21:09:51,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:51,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:51,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:51,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:51,343 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:51,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i [2023-11-23 21:09:54,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:54,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:54,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i [2023-11-23 21:09:55,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data/904216d06/0480ca6fbd5f4a0fb5d70034edb1453c/FLAG9273bf5d2 [2023-11-23 21:09:55,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data/904216d06/0480ca6fbd5f4a0fb5d70034edb1453c [2023-11-23 21:09:55,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:55,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:55,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:55,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:55,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:55,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:55" (1/1) ... [2023-11-23 21:09:55,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ae8c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:55, skipping insertion in model container [2023-11-23 21:09:55,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:55" (1/1) ... [2023-11-23 21:09:55,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:55,641 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:09:57,108 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:2213) 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.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) 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:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) 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) [2023-11-23 21:09:57,115 INFO L158 Benchmark]: Toolchain (without parser) took 2055.52ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 87.4MB in the beginning and 153.8MB in the end (delta: -66.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,121 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:57,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2051.27ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 87.1MB in the beginning and 153.8MB in the end (delta: -66.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 21:09:57,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2051.27ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 87.1MB in the beginning and 153.8MB in the end (delta: -66.7MB). Peak memory consumption was 34.0MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire --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 f9954bba3a4e8db2be6e002437a3b59f56fde86354241bbae88e4ff55d2f6fca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:59,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:59,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:09:59,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:59,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:59,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:59,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:59,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:59,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:59,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:59,829 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:59,829 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:59,830 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:59,830 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:59,831 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:59,832 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:59,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:59,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:59,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:59,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:59,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:59,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:59,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:59,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:09:59,837 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:09:59,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:09:59,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:09:59,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:59,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:59,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:59,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:09:59,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:59,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:59,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:59,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:59,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:59,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:59,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:09:59,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:09:59,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:59,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:59,847 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:59,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:59,848 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_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9954bba3a4e8db2be6e002437a3b59f56fde86354241bbae88e4ff55d2f6fca [2023-11-23 21:10:00,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:00,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:00,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:00,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:00,343 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:00,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i [2023-11-23 21:10:03,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:04,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:04,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_64_good.i [2023-11-23 21:10:04,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data/fc217a16f/7af64a3baa644f35b4c8f71f0938315b/FLAGa029d41b6 [2023-11-23 21:10:04,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/data/fc217a16f/7af64a3baa644f35b4c8f71f0938315b [2023-11-23 21:10:04,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:04,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:04,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:04,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:04,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:04,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:04" (1/1) ... [2023-11-23 21:10:04,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4315bdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:04, skipping insertion in model container [2023-11-23 21:10:04,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:04" (1/1) ... [2023-11-23 21:10:04,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:05,022 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:10:06,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:06,340 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 21:10:06,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:06,383 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:10:06,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:06,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:06,518 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:10:06,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:07,143 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:07,143 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:07,143 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:07,144 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:07,144 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:10:07,153 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:07,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07 WrapperNode [2023-11-23 21:10:07,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:07,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:07,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:07,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:07,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,245 INFO L138 Inliner]: procedures = 946, calls = 73, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2023-11-23 21:10:07,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:07,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:07,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:07,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:07,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:07,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:07,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:07,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:07,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (1/1) ... [2023-11-23 21:10:07,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:07,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:07,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:07,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:10:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:10:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:10:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:10:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:10:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:10:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:10:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:10:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:10:07,606 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:07,609 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:12,178 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:12,240 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:12,243 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:10:12,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:12 BoogieIcfgContainer [2023-11-23 21:10:12,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:12,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:12,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:12,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:12,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:04" (1/3) ... [2023-11-23 21:10:12,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d872ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:12, skipping insertion in model container [2023-11-23 21:10:12,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:07" (2/3) ... [2023-11-23 21:10:12,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d872ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:12, skipping insertion in model container [2023-11-23 21:10:12,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:12" (3/3) ... [2023-11-23 21:10:12,258 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_64_good.i [2023-11-23 21:10:12,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:12,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-23 21:10:12,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:12,332 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;@2ab4688b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:12,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-23 21:10:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:10:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:10:12,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:12,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:12,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-23 21:10:12,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:12,353 INFO L85 PathProgramCache]: Analyzing trace with hash -673846736, now seen corresponding path program 1 times [2023-11-23 21:10:12,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:12,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146992432] [2023-11-23 21:10:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:12,379 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 [2023-11-23 21:10:12,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:12,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:12,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:12,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:10:12,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:10:12,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:12,764 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:12,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146992432] [2023-11-23 21:10:12,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146992432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:12,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:12,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:12,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989574554] [2023-11-23 21:10:12,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:12,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:12,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:12,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:12,809 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-23 21:10:13,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:13,105 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2023-11-23 21:10:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:13,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-11-23 21:10:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:13,114 INFO L225 Difference]: With dead ends: 32 [2023-11-23 21:10:13,114 INFO L226 Difference]: Without dead ends: 24 [2023-11-23 21:10:13,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:13,121 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:13,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:10:13,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-23 21:10:13,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-23 21:10:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 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) [2023-11-23 21:10:13,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2023-11-23 21:10:13,155 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 8 [2023-11-23 21:10:13,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:13,156 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-11-23 21:10:13,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-23 21:10:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2023-11-23 21:10:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:10:13,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:13,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:13,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:13,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:13,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-23 21:10:13,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:13,363 INFO L85 PathProgramCache]: Analyzing trace with hash 585587712, now seen corresponding path program 1 times [2023-11-23 21:10:13,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:13,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584362371] [2023-11-23 21:10:13,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:13,365 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 [2023-11-23 21:10:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:13,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:13,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:13,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:10:13,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:10:13,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:13,777 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:13,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584362371] [2023-11-23 21:10:13,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584362371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:13,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:13,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:13,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480178587] [2023-11-23 21:10:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:13,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:13,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:13,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:13,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:13,787 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-23 21:10:13,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:13,934 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2023-11-23 21:10:13,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:13,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-23 21:10:13,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:13,938 INFO L225 Difference]: With dead ends: 24 [2023-11-23 21:10:13,938 INFO L226 Difference]: Without dead ends: 23 [2023-11-23 21:10:13,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:13,940 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:13,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:13,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-23 21:10:13,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-23 21:10:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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) [2023-11-23 21:10:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-11-23 21:10:13,947 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 9 [2023-11-23 21:10:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:13,947 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-23 21:10:13,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-23 21:10:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-23 21:10:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:10:13,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:13,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:13,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:14,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:14,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-23 21:10:14,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:14,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1660355868, now seen corresponding path program 1 times [2023-11-23 21:10:14,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:14,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122861229] [2023-11-23 21:10:14,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:14,160 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 [2023-11-23 21:10:14,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:14,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:14,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:14,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:14,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:10:14,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:14,473 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:14,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122861229] [2023-11-23 21:10:14,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122861229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:14,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:14,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:14,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072785411] [2023-11-23 21:10:14,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:14,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:10:14,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:14,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:10:14,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:10:14,477 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-23 21:10:16,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:18,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:18,794 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2023-11-23 21:10:18,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:10:18,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 17 [2023-11-23 21:10:18,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:18,801 INFO L225 Difference]: With dead ends: 24 [2023-11-23 21:10:18,801 INFO L226 Difference]: Without dead ends: 23 [2023-11-23 21:10:18,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:10:18,803 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:18,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 41 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 21:10:18,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-23 21:10:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-23 21:10:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 17 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) [2023-11-23 21:10:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2023-11-23 21:10:18,821 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 17 [2023-11-23 21:10:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:18,822 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-23 21:10:18,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-23 21:10:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-23 21:10:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:10:18,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:18,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:18,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:19,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:19,024 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-23 21:10:19,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:19,025 INFO L85 PathProgramCache]: Analyzing trace with hash -68571540, now seen corresponding path program 1 times [2023-11-23 21:10:19,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:19,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955209371] [2023-11-23 21:10:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:19,026 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 [2023-11-23 21:10:19,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:19,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:19,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:19,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:19,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:10:19,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:19,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:19,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955209371] [2023-11-23 21:10:19,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955209371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:19,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:19,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:19,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839531346] [2023-11-23 21:10:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:19,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:19,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:19,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:19,335 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:10:19,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:19,422 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2023-11-23 21:10:19,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:19,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-11-23 21:10:19,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:19,423 INFO L225 Difference]: With dead ends: 27 [2023-11-23 21:10:19,424 INFO L226 Difference]: Without dead ends: 22 [2023-11-23 21:10:19,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:19,425 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:19,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:19,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-23 21:10:19,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-23 21:10:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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) [2023-11-23 21:10:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2023-11-23 21:10:19,431 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 18 [2023-11-23 21:10:19,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:19,432 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2023-11-23 21:10:19,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:10:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2023-11-23 21:10:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:10:19,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:19,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:19,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:19,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:19,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-23 21:10:19,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2125842658, now seen corresponding path program 1 times [2023-11-23 21:10:19,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:19,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46703336] [2023-11-23 21:10:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:19,643 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 [2023-11-23 21:10:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:19,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:19,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87c39cb-e312-4bf3-8f0d-6fdd6632ea25/bin/utaipan-verify-mE87zJ7Ire/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