./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:09:27,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:09:27,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:09:27,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:09:27,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:09:27,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:09:27,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:09:27,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:09:27,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:09:27,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:09:27,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:09:27,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:09:27,542 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:09:27,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:09:27,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:09:27,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:09:27,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:09:27,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:09:27,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:09:27,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:09:27,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:09:27,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:09:27,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:09:27,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:09:27,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:09:27,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:09:27,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:09:27,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:09:27,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:09:27,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:09:27,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:09:27,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:09:27,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:09:27,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:09:27,556 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:09:27,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:09:27,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:09:27,557 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:09:27,558 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef [2023-11-19 07:09:27,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:09:27,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:09:27,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:09:27,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:09:27,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:09:27,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2023-11-19 07:09:30,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:09:31,447 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:09:31,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2023-11-19 07:09:31,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data/54458f516/51f946b7b47e4ba18e686dc3e1a4cdc5/FLAG4742fc37b [2023-11-19 07:09:31,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data/54458f516/51f946b7b47e4ba18e686dc3e1a4cdc5 [2023-11-19 07:09:31,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:09:31,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:09:31,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:09:31,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:09:31,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:09:31,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:31" (1/1) ... [2023-11-19 07:09:31,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc26c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:31, skipping insertion in model container [2023-11-19 07:09:31,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:31" (1/1) ... [2023-11-19 07:09:31,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:09:32,199 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:09:33,581 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:2254) 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:1484) 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:1669) 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:1700) 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:1510) 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:3408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2429) 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) [2023-11-19 07:09:33,588 INFO L158 Benchmark]: Toolchain (without parser) took 2071.25ms. Allocated memory is still 182.5MB. Free memory was 144.9MB in the beginning and 120.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:09:33,589 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 182.5MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:09:33,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2068.90ms. Allocated memory is still 182.5MB. Free memory was 144.7MB in the beginning and 120.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:09:33,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 182.5MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2068.90ms. Allocated memory is still 182.5MB. Free memory was 144.7MB in the beginning and 120.5MB in the end (delta: 24.1MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:09:36,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:09:36,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-19 07:09:36,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:09:36,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:09:36,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-19 07:09:36,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:09:36,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:09:36,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:09:36,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:09:36,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:09:36,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:09:36,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:09:36,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:09:36,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:09:36,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:09:36,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:09:36,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:09:36,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:09:36,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:09:36,309 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:09:36,310 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:09:36,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:09:36,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:09:36,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:09:36,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:09:36,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:09:36,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:09:36,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:09:36,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:09:36,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:09:36,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:09:36,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:09:36,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:09:36,316 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:09:36,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:09:36,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:09:36,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:09:36,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:09:36,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:09:36,317 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:09:36,318 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:09:36,318 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef [2023-11-19 07:09:36,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:09:36,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:09:36,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:09:36,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:09:36,765 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:09:36,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2023-11-19 07:09:39,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:09:40,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:09:40,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2023-11-19 07:09:40,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data/8e0a4085c/5dcca53a252345d08fdc991ab949f5a2/FLAG8c52d442d [2023-11-19 07:09:40,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/data/8e0a4085c/5dcca53a252345d08fdc991ab949f5a2 [2023-11-19 07:09:40,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:09:40,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:09:40,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:09:40,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:09:40,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:09:40,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:40" (1/1) ... [2023-11-19 07:09:40,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fbe76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40, skipping insertion in model container [2023-11-19 07:09:40,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:40" (1/1) ... [2023-11-19 07:09:40,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:09:41,107 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:09:42,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:09:42,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:09:42,276 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:09:42,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:09:42,804 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:09:42,805 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:09:42,805 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:09:42,805 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:09:42,805 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:09:42,813 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:09:42,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42 WrapperNode [2023-11-19 07:09:42,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:09:42,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:09:42,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:09:42,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:09:42,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,922 INFO L138 Inliner]: procedures = 946, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-19 07:09:42,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:09:42,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:09:42,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:09:42,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:09:42,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:42,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:43,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:09:43,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:09:43,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:09:43,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:09:43,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (1/1) ... [2023-11-19 07:09:43,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:09:43,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:09:43,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:09:43,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:09:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:09:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:09:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:09:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:09:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:09:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:09:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:09:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:09:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:09:43,288 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:09:43,290 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:09:52,075 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:09:52,084 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:09:52,084 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:09:52,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:52 BoogieIcfgContainer [2023-11-19 07:09:52,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:09:52,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:09:52,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:09:52,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:09:52,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:09:40" (1/3) ... [2023-11-19 07:09:52,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f5bc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:52, skipping insertion in model container [2023-11-19 07:09:52,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:42" (2/3) ... [2023-11-19 07:09:52,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f5bc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:52, skipping insertion in model container [2023-11-19 07:09:52,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:52" (3/3) ... [2023-11-19 07:09:52,097 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_03_good.i [2023-11-19 07:09:52,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:09:52,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-19 07:09:52,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:09:52,165 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61b5b583, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:09:52,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-19 07:09:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:09:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:09:52,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:52,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:09:52,179 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)] === [2023-11-19 07:09:52,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash -339486432, now seen corresponding path program 1 times [2023-11-19 07:09:52,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:52,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096025462] [2023-11-19 07:09:52,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:52,199 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 [2023-11-19 07:09:52,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:52,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:52,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:52,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:09:52,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:09:52,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:52,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:52,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096025462] [2023-11-19 07:09:52,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096025462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:52,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:52,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:09:52,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367499442] [2023-11-19 07:09:52,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:52,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:09:52,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:52,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:09:52,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:52,452 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:09:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:52,600 INFO L93 Difference]: Finished difference Result 115 states and 152 transitions. [2023-11-19 07:09:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:09:52,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-19 07:09:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:52,611 INFO L225 Difference]: With dead ends: 115 [2023-11-19 07:09:52,612 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:09:52,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:52,619 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 6 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:52,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 114 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:09:52,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:09:52,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:09:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 41 states have internal predecessors, (44), 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) [2023-11-19 07:09:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2023-11-19 07:09:52,663 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 12 [2023-11-19 07:09:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:52,665 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2023-11-19 07:09:52,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:09:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-19 07:09:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 07:09:52,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:52,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:09:52,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:52,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:52,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:52,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:52,872 INFO L85 PathProgramCache]: Analyzing trace with hash 171180484, now seen corresponding path program 1 times [2023-11-19 07:09:52,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:52,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492341032] [2023-11-19 07:09:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:52,873 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 [2023-11-19 07:09:52,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:52,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:52,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:53,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:09:53,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:09:53,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:53,098 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:53,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492341032] [2023-11-19 07:09:53,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492341032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:53,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:53,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:09:53,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972217294] [2023-11-19 07:09:53,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:53,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:09:53,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:53,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:09:53,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:09:53,109 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-11-19 07:09:53,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:53,227 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2023-11-19 07:09:53,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:09:53,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 [2023-11-19 07:09:53,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:53,232 INFO L225 Difference]: With dead ends: 88 [2023-11-19 07:09:53,232 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:09:53,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:09:53,236 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 8 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:53,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 134 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:09:53,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:09:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:09:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.303030303030303) internal successors, (43), 41 states have internal predecessors, (43), 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) [2023-11-19 07:09:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2023-11-19 07:09:53,260 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 14 [2023-11-19 07:09:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:53,261 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-11-19 07:09:53,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-11-19 07:09:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-19 07:09:53,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:09:53,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:53,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:09:53,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:09:53,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:53,470 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:53,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:53,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1007752965, now seen corresponding path program 1 times [2023-11-19 07:09:53,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:53,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223627460] [2023-11-19 07:09:53,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:53,483 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 [2023-11-19 07:09:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:53,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:53,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:53,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:09:53,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:09:53,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:53,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:53,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223627460] [2023-11-19 07:09:53,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223627460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:53,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:53,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:09:53,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788425447] [2023-11-19 07:09:53,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:53,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:09:53,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:53,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:09:53,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:09:53,762 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-19 07:09:53,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:53,820 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2023-11-19 07:09:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:09:53,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 [2023-11-19 07:09:53,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:53,822 INFO L225 Difference]: With dead ends: 48 [2023-11-19 07:09:53,823 INFO L226 Difference]: Without dead ends: 45 [2023-11-19 07:09:53,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:09:53,826 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:53,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 133 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:09:53,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-19 07:09:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-19 07:09:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:09:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2023-11-19 07:09:53,843 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 15 [2023-11-19 07:09:53,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:53,844 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2023-11-19 07:09:53,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-19 07:09:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-19 07:09:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:09:53,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:53,846 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] [2023-11-19 07:09:53,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:54,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:54,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:54,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:54,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1730217596, now seen corresponding path program 1 times [2023-11-19 07:09:54,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:54,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663429146] [2023-11-19 07:09:54,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:54,054 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 [2023-11-19 07:09:54,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:54,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:54,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:54,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:09:54,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:09:54,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:54,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:54,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663429146] [2023-11-19 07:09:54,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663429146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:54,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:54,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:09:54,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115947304] [2023-11-19 07:09:54,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:54,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:09:54,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:54,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:09:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:54,227 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:09:54,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:54,377 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2023-11-19 07:09:54,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:09:54,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-19 07:09:54,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:54,379 INFO L225 Difference]: With dead ends: 62 [2023-11-19 07:09:54,380 INFO L226 Difference]: Without dead ends: 41 [2023-11-19 07:09:54,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:54,381 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:54,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 72 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:09:54,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-19 07:09:54,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 07:09:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.2) internal successors, (36), 34 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:09:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-11-19 07:09:54,392 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 23 [2023-11-19 07:09:54,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:54,393 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-11-19 07:09:54,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:09:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-19 07:09:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:09:54,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:54,394 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] [2023-11-19 07:09:54,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:54,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:54,598 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:54,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:54,599 INFO L85 PathProgramCache]: Analyzing trace with hash 586894336, now seen corresponding path program 1 times [2023-11-19 07:09:54,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:54,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960416034] [2023-11-19 07:09:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:54,600 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 [2023-11-19 07:09:54,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:54,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:54,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:54,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:09:54,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:09:54,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:54,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:54,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960416034] [2023-11-19 07:09:54,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960416034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:54,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:54,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:09:54,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019828474] [2023-11-19 07:09:54,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:54,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:09:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:54,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:09:54,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:09:54,762 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:09:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:54,863 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2023-11-19 07:09:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:09:54,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-19 07:09:54,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:54,866 INFO L225 Difference]: With dead ends: 67 [2023-11-19 07:09:54,866 INFO L226 Difference]: Without dead ends: 41 [2023-11-19 07:09:54,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:09:54,867 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 8 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:54,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 104 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:09:54,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-19 07:09:54,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 07:09:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:09:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2023-11-19 07:09:54,883 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2023-11-19 07:09:54,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:54,883 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2023-11-19 07:09:54,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:09:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-11-19 07:09:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:09:54,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:54,884 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] [2023-11-19 07:09:54,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:55,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:55,089 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:55,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:55,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1009980520, now seen corresponding path program 1 times [2023-11-19 07:09:55,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:55,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243644007] [2023-11-19 07:09:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:55,090 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 [2023-11-19 07:09:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:55,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:55,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:55,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:09:55,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:09:55,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:55,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:55,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243644007] [2023-11-19 07:09:55,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243644007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:55,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:55,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:09:55,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949826008] [2023-11-19 07:09:55,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:55,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:09:55,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:09:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:09:55,306 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 4 states, 4 states have (on average 4.75) 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) [2023-11-19 07:09:55,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:55,338 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2023-11-19 07:09:55,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:09:55,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) 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 [2023-11-19 07:09:55,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:55,340 INFO L225 Difference]: With dead ends: 41 [2023-11-19 07:09:55,340 INFO L226 Difference]: Without dead ends: 38 [2023-11-19 07:09:55,341 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 [2023-11-19 07:09:55,342 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:55,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:09:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-19 07:09:55,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-19 07:09:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:09:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2023-11-19 07:09:55,348 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 26 [2023-11-19 07:09:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:55,349 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2023-11-19 07:09:55,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) 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) [2023-11-19 07:09:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2023-11-19 07:09:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:09:55,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:55,350 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] [2023-11-19 07:09:55,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:09:55,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:55,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:55,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:55,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1340795338, now seen corresponding path program 1 times [2023-11-19 07:09:55,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:55,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981815014] [2023-11-19 07:09:55,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:55,565 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 [2023-11-19 07:09:55,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:55,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:55,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:55,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:09:55,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:09:55,713 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:55,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:55,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981815014] [2023-11-19 07:09:55,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981815014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:55,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:55,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:09:55,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954163] [2023-11-19 07:09:55,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:55,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:09:55,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:55,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:09:55,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:55,716 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:09:55,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:55,815 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2023-11-19 07:09:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:09:55,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-19 07:09:55,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:55,816 INFO L225 Difference]: With dead ends: 38 [2023-11-19 07:09:55,816 INFO L226 Difference]: Without dead ends: 36 [2023-11-19 07:09:55,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:55,818 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 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, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:55,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:09:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-19 07:09:55,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-19 07:09:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:09:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2023-11-19 07:09:55,823 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 32 [2023-11-19 07:09:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:55,824 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2023-11-19 07:09:55,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:09:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2023-11-19 07:09:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:09:55,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:09:55,825 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] [2023-11-19 07:09:55,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:09:56,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:56,027 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-19 07:09:56,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:09:56,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1577189682, now seen corresponding path program 1 times [2023-11-19 07:09:56,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:09:56,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824197565] [2023-11-19 07:09:56,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:09:56,029 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 [2023-11-19 07:09:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:09:56,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:09:56,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:09:56,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:09:56,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:09:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:09:56,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:09:56,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:09:56,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824197565] [2023-11-19 07:09:56,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824197565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:09:56,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:09:56,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:09:56,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226512845] [2023-11-19 07:09:56,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:09:56,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:09:56,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:09:56,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:09:56,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:56,226 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-19 07:09:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:09:56,282 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2023-11-19 07:09:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:09:56,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 41 [2023-11-19 07:09:56,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:09:56,287 INFO L225 Difference]: With dead ends: 36 [2023-11-19 07:09:56,287 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:09:56,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:09:56,288 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:09:56,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:09:56,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:09:56,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:09:56,289 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) [2023-11-19 07:09:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:09:56,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-11-19 07:09:56,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:09:56,290 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:09:56,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-19 07:09:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:09:56,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:09:56,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-19 07:09:56,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-19 07:09:56,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-19 07:09:56,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-19 07:09:56,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-19 07:09:56,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-19 07:09:56,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-19 07:09:56,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-19 07:09:56,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-19 07:09:56,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-19 07:09:56,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:09:56,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:09:56,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:09:56,550 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:09:56,550 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:09:56,550 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:09:56,550 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:09:56,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:09:56,551 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:09:56,551 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:09:56,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1867) no Hoare annotation was computed. [2023-11-19 07:09:56,551 INFO L902 garLoopResultBuilder]: At program point L1910(line 1910) the Hoare annotation is: true [2023-11-19 07:09:56,552 INFO L899 garLoopResultBuilder]: For program point L1910-1(line 1910) no Hoare annotation was computed. [2023-11-19 07:09:56,552 INFO L899 garLoopResultBuilder]: For program point L1902(lines 1902 1905) no Hoare annotation was computed. [2023-11-19 07:09:56,552 INFO L899 garLoopResultBuilder]: For program point L1869(line 1869) no Hoare annotation was computed. [2023-11-19 07:09:56,552 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 1839) no Hoare annotation was computed. [2023-11-19 07:09:56,552 INFO L899 garLoopResultBuilder]: For program point L1869-1(line 1869) no Hoare annotation was computed. [2023-11-19 07:09:56,552 INFO L899 garLoopResultBuilder]: For program point L1902-2(lines 1899 1913) no Hoare annotation was computed. [2023-11-19 07:09:56,553 INFO L899 garLoopResultBuilder]: For program point L1836-2(lines 1833 1856) no Hoare annotation was computed. [2023-11-19 07:09:56,553 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1921 1928) no Hoare annotation was computed. [2023-11-19 07:09:56,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2023-11-19 07:09:56,553 INFO L895 garLoopResultBuilder]: At program point L1894(line 1894) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-19 07:09:56,553 INFO L899 garLoopResultBuilder]: For program point L1861(lines 1861 1864) no Hoare annotation was computed. [2023-11-19 07:09:56,554 INFO L899 garLoopResultBuilder]: For program point L1894-1(line 1894) no Hoare annotation was computed. [2023-11-19 07:09:56,554 INFO L899 garLoopResultBuilder]: For program point L1861-2(lines 1858 1877) no Hoare annotation was computed. [2023-11-19 07:09:56,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1846) no Hoare annotation was computed. [2023-11-19 07:09:56,554 INFO L895 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-19 07:09:56,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:09:56,555 INFO L899 garLoopResultBuilder]: For program point L1853-1(lines 1832 1856) no Hoare annotation was computed. [2023-11-19 07:09:56,555 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1878 1897) no Hoare annotation was computed. [2023-11-19 07:09:56,555 INFO L895 garLoopResultBuilder]: At program point L1870(line 1870) the Hoare annotation is: false [2023-11-19 07:09:56,555 INFO L899 garLoopResultBuilder]: For program point L1870-1(line 1870) no Hoare annotation was computed. [2023-11-19 07:09:56,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2023-11-19 07:09:56,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2023-11-19 07:09:56,556 INFO L899 garLoopResultBuilder]: For program point L1846(line 1846) no Hoare annotation was computed. [2023-11-19 07:09:56,556 INFO L899 garLoopResultBuilder]: For program point L1846-1(line 1846) no Hoare annotation was computed. [2023-11-19 07:09:56,556 INFO L899 garLoopResultBuilder]: For program point L1846-3(lines 1846 1854) no Hoare annotation was computed. [2023-11-19 07:09:56,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2023-11-19 07:09:56,556 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:09:56,556 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 1920) no Hoare annotation was computed. [2023-11-19 07:09:56,557 INFO L899 garLoopResultBuilder]: For program point L1848(line 1848) no Hoare annotation was computed. [2023-11-19 07:09:56,557 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2023-11-19 07:09:56,557 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 1913) no Hoare annotation was computed. [2023-11-19 07:09:56,557 INFO L899 garLoopResultBuilder]: For program point L1857(lines 1857 1877) no Hoare annotation was computed. [2023-11-19 07:09:56,557 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:09:56,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2023-11-19 07:09:56,558 INFO L899 garLoopResultBuilder]: For program point L1882(lines 1882 1889) no Hoare annotation was computed. [2023-11-19 07:09:56,558 INFO L895 garLoopResultBuilder]: At program point L1849(line 1849) the Hoare annotation is: false [2023-11-19 07:09:56,558 INFO L899 garLoopResultBuilder]: For program point L1882-1(lines 1879 1897) no Hoare annotation was computed. [2023-11-19 07:09:56,558 INFO L899 garLoopResultBuilder]: For program point L1849-1(line 1849) no Hoare annotation was computed. [2023-11-19 07:09:56,572 INFO L895 garLoopResultBuilder]: At program point L1874(line 1874) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-19 07:09:56,573 INFO L902 garLoopResultBuilder]: At program point L1924(line 1924) the Hoare annotation is: true [2023-11-19 07:09:56,573 INFO L899 garLoopResultBuilder]: For program point L1924-1(line 1924) no Hoare annotation was computed. [2023-11-19 07:09:56,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:09:56,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2023-11-19 07:09:56,574 INFO L895 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: false [2023-11-19 07:09:56,574 INFO L899 garLoopResultBuilder]: For program point L1867(line 1867) no Hoare annotation was computed. [2023-11-19 07:09:56,574 INFO L899 garLoopResultBuilder]: For program point L1867-1(line 1867) no Hoare annotation was computed. [2023-11-19 07:09:56,574 INFO L899 garLoopResultBuilder]: For program point L1867-3(lines 1867 1875) no Hoare annotation was computed. [2023-11-19 07:09:56,575 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2023-11-19 07:09:56,575 INFO L895 garLoopResultBuilder]: At program point L1884(line 1884) the Hoare annotation is: false [2023-11-19 07:09:56,575 INFO L899 garLoopResultBuilder]: For program point L1909(line 1909) no Hoare annotation was computed. [2023-11-19 07:09:56,575 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2023-11-19 07:09:56,575 INFO L902 garLoopResultBuilder]: At program point L1926(line 1926) the Hoare annotation is: true [2023-11-19 07:09:56,576 INFO L899 garLoopResultBuilder]: For program point L1893(line 1893) no Hoare annotation was computed. [2023-11-19 07:09:56,576 INFO L899 garLoopResultBuilder]: For program point L1926-1(line 1926) no Hoare annotation was computed. [2023-11-19 07:09:56,579 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:09:56,582 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:09:56,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:09:56 BoogieIcfgContainer [2023-11-19 07:09:56,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:09:56,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:09:56,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:09:56,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:09:56,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:52" (3/4) ... [2023-11-19 07:09:56,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:09:56,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:09:56,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:09:56,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 07:09:56,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 07:09:56,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:09:56,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:09:56,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:09:56,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:09:56,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:09:56,730 INFO L158 Benchmark]: Toolchain (without parser) took 16214.17ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 49.0MB in the beginning and 45.4MB in the end (delta: 3.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,730 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:09:56,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2296.90ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 45.7MB in the end (delta: 3.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.82ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 41.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,731 INFO L158 Benchmark]: Boogie Preprocessor took 92.75ms. Allocated memory is still 100.7MB. Free memory was 41.5MB in the beginning and 38.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,732 INFO L158 Benchmark]: RCFGBuilder took 9071.77ms. Allocated memory is still 100.7MB. Free memory was 38.8MB in the beginning and 55.0MB in the end (delta: -16.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,737 INFO L158 Benchmark]: TraceAbstraction took 4513.20ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,738 INFO L158 Benchmark]: Witness Printer took 124.56ms. Allocated memory is still 121.6MB. Free memory was 51.3MB in the beginning and 45.4MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:09:56,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2296.90ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 45.7MB in the end (delta: 3.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.82ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 41.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.75ms. Allocated memory is still 100.7MB. Free memory was 41.5MB in the beginning and 38.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9071.77ms. Allocated memory is still 100.7MB. Free memory was 38.8MB in the beginning and 55.0MB in the end (delta: -16.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4513.20ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Witness Printer took 124.56ms. Allocated memory is still 121.6MB. Free memory was 51.3MB in the beginning and 45.4MB in the end (delta: 5.9MB). 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: 1846]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: 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, 63 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 795 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 453 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 342 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 33 PreInvPairs, 38 NumberOfFragments, 18 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 SizeOfPredicates, 6 NumberOfNonLiveVariables, 524 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:09:56,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030e37f5-98be-4d05-8910-5dd88f93b892/bin/uautomizer-verify-uCwYo4JHxu/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