./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme --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 4639749e64057b5bbf9069659fda6e2b9c8cb9796fd6770fcd0ed4ef161a8778 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:46,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:46,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:55:46,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:46,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:46,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:46,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:46,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:46,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:46,383 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:46,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:46,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:46,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:46,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:46,388 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:46,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:46,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:46,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:46,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:46,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:46,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:46,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:46,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:55:46,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:46,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:46,394 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:46,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:46,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:46,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:46,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:46,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:46,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:46,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:46,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:46,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:46,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:46,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:46,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:46,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:46,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:46,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:46,401 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_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4639749e64057b5bbf9069659fda6e2b9c8cb9796fd6770fcd0ed4ef161a8778 [2023-11-26 11:55:46,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:46,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:46,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:46,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:46,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:46,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i [2023-11-26 11:55:49,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:50,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:50,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i [2023-11-26 11:55:50,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data/230b97eb0/21785d16dfc04cd887a46473b55308f7/FLAGda082947f [2023-11-26 11:55:50,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data/230b97eb0/21785d16dfc04cd887a46473b55308f7 [2023-11-26 11:55:50,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:50,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:50,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:50,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:50,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:50,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:50" (1/1) ... [2023-11-26 11:55:50,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5912ef03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:50, skipping insertion in model container [2023-11-26 11:55:50,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:50" (1/1) ... [2023-11-26 11:55:50,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:52,226 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-26 11:55:52,231 INFO L158 Benchmark]: Toolchain (without parser) took 1893.57ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 129.4MB in the end (delta: -2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:55:52,232 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:55:52,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1886.68ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 129.4MB in the end (delta: -2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:55:52,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1886.68ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 129.4MB in the end (delta: -2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme --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 4639749e64057b5bbf9069659fda6e2b9c8cb9796fd6770fcd0ed4ef161a8778 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:54,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:55,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 11:55:55,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:55,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:55,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 11:55:55,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:55,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:55,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:55,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:55,213 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:55,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:55,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:55,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:55,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:55,218 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:55,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:55,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:55,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:55,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:55,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:55,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:55,224 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:55:55,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:55:55,225 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:55:55,225 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:55:55,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:55,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:55,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:55,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:55,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:55,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:55,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:55,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:55,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:55,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:55,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:55,233 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:55:55,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:55:55,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:55,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:55,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:55,234 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:55,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:55,235 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:55:55,236 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_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4639749e64057b5bbf9069659fda6e2b9c8cb9796fd6770fcd0ed4ef161a8778 [2023-11-26 11:55:55,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:55,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:55,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:55,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:55,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:55,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i [2023-11-26 11:55:58,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:59,486 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:59,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_11_good.i [2023-11-26 11:55:59,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data/c4c8c4e7a/d2164b1c004342268d8266edff8fdd6d/FLAG64d013259 [2023-11-26 11:55:59,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/data/c4c8c4e7a/d2164b1c004342268d8266edff8fdd6d [2023-11-26 11:55:59,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:59,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:59,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:59,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:59,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:59,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:59" (1/1) ... [2023-11-26 11:55:59,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c77e6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:59, skipping insertion in model container [2023-11-26 11:55:59,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:59" (1/1) ... [2023-11-26 11:55:59,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:01,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:01,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:01,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:02,401 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:02,401 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:02,402 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:02,402 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:02,411 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:02,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02 WrapperNode [2023-11-26 11:56:02,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:02,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:02,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:02,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:02,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,510 INFO L138 Inliner]: procedures = 945, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2023-11-26 11:56:02,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:02,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:02,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:02,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:02,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,566 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:56:02,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:02,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:02,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:02,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:02,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:02,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:02,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:02,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 11:56:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 11:56:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-26 11:56:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-26 11:56:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:56:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:56:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:56:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-26 11:56:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-26 11:56:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:56:02,946 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:02,949 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:11,697 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:11,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:11,761 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:56:11,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:11 BoogieIcfgContainer [2023-11-26 11:56:11,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:11,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:11,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:11,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:11,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:55:59" (1/3) ... [2023-11-26 11:56:11,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357e6436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:11, skipping insertion in model container [2023-11-26 11:56:11,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (2/3) ... [2023-11-26 11:56:11,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357e6436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:11, skipping insertion in model container [2023-11-26 11:56:11,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:11" (3/3) ... [2023-11-26 11:56:11,778 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_11_good.i [2023-11-26 11:56:11,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:11,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-26 11:56:11,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:11,852 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;@10c70da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:11,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-26 11:56:11,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 53 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 11:56:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:56:11,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:11,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:11,874 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)] === [2023-11-26 11:56:11,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:11,881 INFO L85 PathProgramCache]: Analyzing trace with hash 565136670, now seen corresponding path program 1 times [2023-11-26 11:56:11,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:11,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009698705] [2023-11-26 11:56:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:11,895 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 [2023-11-26 11:56:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:11,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:12,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:12,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:12,107 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:12,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:12,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009698705] [2023-11-26 11:56:12,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009698705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:12,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:12,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:12,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150865586] [2023-11-26 11:56:12,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:12,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:12,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:12,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:12,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:12,155 INFO L87 Difference]: Start difference. First operand has 76 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 53 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:13,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:16,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:16,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:16,362 INFO L93 Difference]: Finished difference Result 148 states and 197 transitions. [2023-11-26 11:56:16,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:16,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2023-11-26 11:56:16,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:16,380 INFO L225 Difference]: With dead ends: 148 [2023-11-26 11:56:16,380 INFO L226 Difference]: Without dead ends: 83 [2023-11-26 11:56:16,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:16,392 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:16,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 181 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-26 11:56:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-26 11:56:16,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2023-11-26 11:56:16,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 55 states have internal predecessors, (70), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 11:56:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2023-11-26 11:56:16,450 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 17 [2023-11-26 11:56:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:16,451 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 104 transitions. [2023-11-26 11:56:16,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2023-11-26 11:56:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:56:16,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:16,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:16,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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)] Ended with exit code 0 [2023-11-26 11:56:16,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:16,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:16,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1954823264, now seen corresponding path program 1 times [2023-11-26 11:56:16,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:16,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094479344] [2023-11-26 11:56:16,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:16,658 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 [2023-11-26 11:56:16,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:16,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:16,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:16,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:16,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:16,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:16,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:16,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094479344] [2023-11-26 11:56:16,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094479344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:16,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:16,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:16,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497947603] [2023-11-26 11:56:16,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:16,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:16,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:16,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:16,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:16,842 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:16,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:16,926 INFO L93 Difference]: Finished difference Result 131 states and 172 transitions. [2023-11-26 11:56:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:16,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2023-11-26 11:56:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:16,929 INFO L225 Difference]: With dead ends: 131 [2023-11-26 11:56:16,930 INFO L226 Difference]: Without dead ends: 66 [2023-11-26 11:56:16,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:16,933 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:16,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:16,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-26 11:56:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-26 11:56:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.435897435897436) internal successors, (56), 46 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 11:56:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2023-11-26 11:56:16,946 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 17 [2023-11-26 11:56:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:16,947 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2023-11-26 11:56:16,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2023-11-26 11:56:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 11:56:16,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:16,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:16,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:17,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:17,153 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)] === [2023-11-26 11:56:17,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1930587874, now seen corresponding path program 1 times [2023-11-26 11:56:17,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:17,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099674945] [2023-11-26 11:56:17,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:17,155 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 [2023-11-26 11:56:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:17,157 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:17,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:17,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:17,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:17,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:17,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099674945] [2023-11-26 11:56:17,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099674945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:17,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:17,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:17,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061420699] [2023-11-26 11:56:17,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:17,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:17,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:17,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:17,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:17,305 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:17,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:17,476 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions. [2023-11-26 11:56:17,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:17,477 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-26 11:56:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:17,479 INFO L225 Difference]: With dead ends: 121 [2023-11-26 11:56:17,479 INFO L226 Difference]: Without dead ends: 66 [2023-11-26 11:56:17,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:56:17,482 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 11 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:17,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 213 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:56:17,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-26 11:56:17,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-26 11:56:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 11:56:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2023-11-26 11:56:17,496 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 19 [2023-11-26 11:56:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:17,496 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-26 11:56:17,497 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-26 11:56:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 11:56:17,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:17,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:17,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:17,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:17,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:17,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:17,704 INFO L85 PathProgramCache]: Analyzing trace with hash -285192788, now seen corresponding path program 1 times [2023-11-26 11:56:17,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:17,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285018742] [2023-11-26 11:56:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:17,708 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 [2023-11-26 11:56:17,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:17,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:17,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:17,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:17,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:17,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:17,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285018742] [2023-11-26 11:56:17,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285018742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:17,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:17,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:17,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251496905] [2023-11-26 11:56:17,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:17,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:17,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:17,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:17,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:17,940 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:18,001 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2023-11-26 11:56:18,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:18,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2023-11-26 11:56:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:18,003 INFO L225 Difference]: With dead ends: 66 [2023-11-26 11:56:18,003 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 11:56:18,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:56:18,005 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:18,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 212 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:18,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 11:56:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-26 11:56:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 43 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 11:56:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2023-11-26 11:56:18,018 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 20 [2023-11-26 11:56:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:18,018 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2023-11-26 11:56:18,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 11:56:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-26 11:56:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 11:56:18,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:18,020 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:18,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:18,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:18,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:18,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:18,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1512235073, now seen corresponding path program 1 times [2023-11-26 11:56:18,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349193240] [2023-11-26 11:56:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:18,227 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 [2023-11-26 11:56:18,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:18,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:18,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:18,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:18,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:56:18,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:18,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:18,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349193240] [2023-11-26 11:56:18,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349193240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:18,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:18,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:18,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861605115] [2023-11-26 11:56:18,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:18,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:18,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:18,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:18,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:18,345 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:18,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:18,385 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2023-11-26 11:56:18,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:18,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 32 [2023-11-26 11:56:18,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:18,387 INFO L225 Difference]: With dead ends: 112 [2023-11-26 11:56:18,388 INFO L226 Difference]: Without dead ends: 61 [2023-11-26 11:56:18,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:18,389 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:18,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:18,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-26 11:56:18,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-26 11:56:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 42 states have internal predecessors, (50), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:56:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2023-11-26 11:56:18,399 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 32 [2023-11-26 11:56:18,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:18,399 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-26 11:56:18,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-26 11:56:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-26 11:56:18,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:18,401 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:18,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:18,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:18,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:18,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:18,605 INFO L85 PathProgramCache]: Analyzing trace with hash 767926840, now seen corresponding path program 1 times [2023-11-26 11:56:18,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:18,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061450942] [2023-11-26 11:56:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:18,606 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 [2023-11-26 11:56:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:18,607 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:18,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:18,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:18,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:18,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 11:56:18,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:18,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:18,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061450942] [2023-11-26 11:56:18,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061450942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:18,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:18,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:18,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569386198] [2023-11-26 11:56:18,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:18,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:18,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:18,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:18,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:18,734 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:20,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:20,300 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2023-11-26 11:56:20,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:20,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2023-11-26 11:56:20,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:20,303 INFO L225 Difference]: With dead ends: 108 [2023-11-26 11:56:20,303 INFO L226 Difference]: Without dead ends: 72 [2023-11-26 11:56:20,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:20,305 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 8 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:20,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 149 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-26 11:56:20,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-26 11:56:20,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2023-11-26 11:56:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 48 states have internal predecessors, (59), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 11:56:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 89 transitions. [2023-11-26 11:56:20,316 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 89 transitions. Word has length 35 [2023-11-26 11:56:20,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:20,316 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 89 transitions. [2023-11-26 11:56:20,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-26 11:56:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-26 11:56:20,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:20,319 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:20,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:20,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:20,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:20,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1752033094, now seen corresponding path program 1 times [2023-11-26 11:56:20,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:20,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624229645] [2023-11-26 11:56:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:20,525 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 [2023-11-26 11:56:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:20,527 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:20,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:20,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:20,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 11:56:20,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:20,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:20,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624229645] [2023-11-26 11:56:20,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624229645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:20,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:20,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:20,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259596849] [2023-11-26 11:56:20,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:20,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:20,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:20,672 INFO L87 Difference]: Start difference. First operand 68 states and 89 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:20,721 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions. [2023-11-26 11:56:20,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:20,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2023-11-26 11:56:20,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:20,727 INFO L225 Difference]: With dead ends: 103 [2023-11-26 11:56:20,728 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 11:56:20,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:20,734 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:20,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 11:56:20,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-26 11:56:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 39 states have internal predecessors, (45), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 11:56:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2023-11-26 11:56:20,753 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 35 [2023-11-26 11:56:20,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:20,754 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2023-11-26 11:56:20,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-26 11:56:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-26 11:56:20,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:20,762 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:20,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-26 11:56:20,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:20,967 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:20,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash -756553284, now seen corresponding path program 1 times [2023-11-26 11:56:20,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:20,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220301913] [2023-11-26 11:56:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:20,968 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 [2023-11-26 11:56:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:20,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:21,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:21,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 11:56:21,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:21,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:21,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220301913] [2023-11-26 11:56:21,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220301913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:21,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:21,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:21,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897263831] [2023-11-26 11:56:21,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:21,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:21,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:21,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:21,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:21,182 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:21,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:21,329 INFO L93 Difference]: Finished difference Result 95 states and 115 transitions. [2023-11-26 11:56:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:21,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2023-11-26 11:56:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:21,331 INFO L225 Difference]: With dead ends: 95 [2023-11-26 11:56:21,331 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 11:56:21,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:56:21,332 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 10 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:21,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 170 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:56:21,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 11:56:21,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-26 11:56:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 39 states have internal predecessors, (44), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 11:56:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2023-11-26 11:56:21,340 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 37 [2023-11-26 11:56:21,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:21,341 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2023-11-26 11:56:21,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-26 11:56:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 11:56:21,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:21,342 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:21,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:21,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:21,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:21,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:21,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1982190028, now seen corresponding path program 1 times [2023-11-26 11:56:21,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:21,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267890485] [2023-11-26 11:56:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:21,550 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 [2023-11-26 11:56:21,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:21,551 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:21,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-26 11:56:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:21,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:21,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 11:56:21,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:21,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267890485] [2023-11-26 11:56:21,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267890485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:21,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:21,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:21,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700921243] [2023-11-26 11:56:21,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:21,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:21,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:21,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:21,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:21,755 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:21,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:21,823 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2023-11-26 11:56:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:21,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2023-11-26 11:56:21,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:21,825 INFO L225 Difference]: With dead ends: 57 [2023-11-26 11:56:21,826 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 11:56:21,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:56:21,827 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 4 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:21,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 169 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:56:21,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 11:56:21,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 11:56:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 36 states have internal predecessors, (41), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 11:56:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-26 11:56:21,835 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 38 [2023-11-26 11:56:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:21,835 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-26 11:56:21,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:56:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-26 11:56:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-26 11:56:21,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:21,837 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:21,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:22,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:22,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:22,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1237545600, now seen corresponding path program 1 times [2023-11-26 11:56:22,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:22,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557647874] [2023-11-26 11:56:22,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,045 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 [2023-11-26 11:56:22,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:22,046 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:22,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-26 11:56:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:22,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 11:56:22,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:22,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:22,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557647874] [2023-11-26 11:56:22,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557647874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:22,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:22,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:22,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428919169] [2023-11-26 11:56:22,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:22,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:22,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:22,203 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 11:56:22,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:22,249 INFO L93 Difference]: Finished difference Result 86 states and 104 transitions. [2023-11-26 11:56:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:22,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2023-11-26 11:56:22,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:22,251 INFO L225 Difference]: With dead ends: 86 [2023-11-26 11:56:22,251 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 11:56:22,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:22,253 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:22,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 11:56:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 11:56:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 36 states have internal predecessors, (40), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 11:56:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2023-11-26 11:56:22,260 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 43 [2023-11-26 11:56:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:22,260 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2023-11-26 11:56:22,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 11:56:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-11-26 11:56:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-26 11:56:22,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:22,262 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:22,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:22,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:22,467 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:22,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash -325136703, now seen corresponding path program 1 times [2023-11-26 11:56:22,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:22,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784049207] [2023-11-26 11:56:22,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,468 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 [2023-11-26 11:56:22,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:22,470 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:22,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-26 11:56:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:22,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-26 11:56:22,628 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:22,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784049207] [2023-11-26 11:56:22,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784049207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:22,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:22,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:22,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580288560] [2023-11-26 11:56:22,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:22,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:22,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:22,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:22,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:22,631 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:56:24,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:24,844 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2023-11-26 11:56:24,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:24,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-11-26 11:56:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:24,853 INFO L225 Difference]: With dead ends: 63 [2023-11-26 11:56:24,854 INFO L226 Difference]: Without dead ends: 61 [2023-11-26 11:56:24,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:24,855 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 4 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:24,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 115 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-26 11:56:24,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-26 11:56:24,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2023-11-26 11:56:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 39 states have internal predecessors, (44), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:56:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-26 11:56:24,862 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 52 [2023-11-26 11:56:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:24,862 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-26 11:56:24,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:56:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-26 11:56:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-26 11:56:24,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:24,864 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:24,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-26 11:56:25,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:25,069 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:25,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1759823661, now seen corresponding path program 1 times [2023-11-26 11:56:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:25,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267733489] [2023-11-26 11:56:25,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:25,071 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 [2023-11-26 11:56:25,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:25,072 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:25,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-26 11:56:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:25,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:25,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-26 11:56:25,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:25,218 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:25,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267733489] [2023-11-26 11:56:25,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267733489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:25,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:25,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:25,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320102848] [2023-11-26 11:56:25,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:25,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:25,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:25,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:25,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:25,236 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-26 11:56:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:25,282 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2023-11-26 11:56:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:25,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-11-26 11:56:25,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:25,287 INFO L225 Difference]: With dead ends: 77 [2023-11-26 11:56:25,287 INFO L226 Difference]: Without dead ends: 50 [2023-11-26 11:56:25,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:25,288 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:25,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:25,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-26 11:56:25,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-26 11:56:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:56:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-26 11:56:25,295 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 58 [2023-11-26 11:56:25,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:25,296 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-26 11:56:25,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-26 11:56:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-26 11:56:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-26 11:56:25,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:25,299 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:25,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:25,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:25,504 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:25,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:25,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1026659475, now seen corresponding path program 1 times [2023-11-26 11:56:25,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:25,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573783996] [2023-11-26 11:56:25,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:25,505 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 [2023-11-26 11:56:25,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:25,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:25,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 (14)] Waiting until timeout for monitored process [2023-11-26 11:56:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:25,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:25,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:56:25,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:25,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:25,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573783996] [2023-11-26 11:56:25,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573783996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:25,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:25,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:25,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375149926] [2023-11-26 11:56:25,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:25,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:25,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:25,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:25,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:25,676 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-26 11:56:25,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:25,709 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2023-11-26 11:56:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:25,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-11-26 11:56:25,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:25,711 INFO L225 Difference]: With dead ends: 61 [2023-11-26 11:56:25,711 INFO L226 Difference]: Without dead ends: 50 [2023-11-26 11:56:25,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:25,712 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:25,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:25,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-26 11:56:25,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-26 11:56:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:56:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2023-11-26 11:56:25,726 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 61 [2023-11-26 11:56:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:25,727 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2023-11-26 11:56:25,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-26 11:56:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-26 11:56:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-26 11:56:25,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:25,730 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:25,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:25,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:25,935 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:25,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash -143417132, now seen corresponding path program 1 times [2023-11-26 11:56:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:25,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011958516] [2023-11-26 11:56:25,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:25,937 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 [2023-11-26 11:56:25,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:25,938 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:25,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 (15)] Waiting until timeout for monitored process [2023-11-26 11:56:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:26,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:26,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-26 11:56:26,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:26,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:26,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011958516] [2023-11-26 11:56:26,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011958516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:26,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:26,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:26,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534520309] [2023-11-26 11:56:26,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:26,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:26,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:26,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:26,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:26,173 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:56:26,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:26,780 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2023-11-26 11:56:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2023-11-26 11:56:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:26,786 INFO L225 Difference]: With dead ends: 56 [2023-11-26 11:56:26,786 INFO L226 Difference]: Without dead ends: 50 [2023-11-26 11:56:26,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:26,787 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:26,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:56:26,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-26 11:56:26,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-26 11:56:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:56:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2023-11-26 11:56:26,793 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 67 [2023-11-26 11:56:26,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:26,794 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-26 11:56:26,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:56:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-26 11:56:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-26 11:56:26,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:26,795 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:26,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:27,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:27,002 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 11:56:27,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash -86158830, now seen corresponding path program 1 times [2023-11-26 11:56:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541835348] [2023-11-26 11:56:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:27,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:56:27,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:27,005 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:56:27,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 (16)] Waiting until timeout for monitored process [2023-11-26 11:56:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:27,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:27,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-26 11:56:27,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:27,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:27,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541835348] [2023-11-26 11:56:27,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541835348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:27,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:27,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:27,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949071489] [2023-11-26 11:56:27,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:27,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:27,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:27,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:27,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:27,230 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:56:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:27,259 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2023-11-26 11:56:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:27,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2023-11-26 11:56:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:27,263 INFO L225 Difference]: With dead ends: 52 [2023-11-26 11:56:27,264 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:56:27,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:27,267 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:27,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:27,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:56:27,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:56:27,270 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) [2023-11-26 11:56:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:56:27,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2023-11-26 11:56:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:27,271 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:56:27,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:56:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:56:27,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:56:27,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-26 11:56:27,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-26 11:56:27,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-26 11:56:27,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-26 11:56:27,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-26 11:56:27,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-26 11:56:27,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-26 11:56:27,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-26 11:56:27,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-26 11:56:27,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-26 11:56:27,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 (16)] Ended with exit code 0 [2023-11-26 11:56:27,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:56:27,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:56:27,540 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-26 11:56:27,540 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-26 11:56:27,541 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 11:56:27,541 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:56:27,541 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 11:56:27,541 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:56:27,542 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 11:56:27,542 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 11:56:27,542 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1867) no Hoare annotation was computed. [2023-11-26 11:56:27,543 INFO L902 garLoopResultBuilder]: At program point L1910(line 1910) the Hoare annotation is: true [2023-11-26 11:56:27,543 INFO L899 garLoopResultBuilder]: For program point L1910-1(line 1910) no Hoare annotation was computed. [2023-11-26 11:56:27,543 INFO L902 garLoopResultBuilder]: At program point L1902(line 1902) the Hoare annotation is: true [2023-11-26 11:56:27,543 INFO L899 garLoopResultBuilder]: For program point L1869(line 1869) no Hoare annotation was computed. [2023-11-26 11:56:27,544 INFO L899 garLoopResultBuilder]: For program point L1902-1(lines 1902 1905) no Hoare annotation was computed. [2023-11-26 11:56:27,544 INFO L902 garLoopResultBuilder]: At program point L1836(line 1836) the Hoare annotation is: true [2023-11-26 11:56:27,544 INFO L899 garLoopResultBuilder]: For program point L1869-1(line 1869) no Hoare annotation was computed. [2023-11-26 11:56:27,544 INFO L899 garLoopResultBuilder]: For program point L1836-1(lines 1836 1839) no Hoare annotation was computed. [2023-11-26 11:56:27,544 INFO L895 garLoopResultBuilder]: At program point L1902-3(lines 1902 1905) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B2_~data~3#1|) [2023-11-26 11:56:27,545 INFO L895 garLoopResultBuilder]: At program point L1836-3(lines 1836 1839) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-26 11:56:27,545 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2023-11-26 11:56:27,545 INFO L902 garLoopResultBuilder]: At program point L1894(line 1894) the Hoare annotation is: true [2023-11-26 11:56:27,545 INFO L902 garLoopResultBuilder]: At program point L1861(line 1861) the Hoare annotation is: true [2023-11-26 11:56:27,546 INFO L899 garLoopResultBuilder]: For program point L1894-1(line 1894) no Hoare annotation was computed. [2023-11-26 11:56:27,546 INFO L899 garLoopResultBuilder]: For program point L1861-1(lines 1861 1864) no Hoare annotation was computed. [2023-11-26 11:56:27,546 INFO L895 garLoopResultBuilder]: At program point L1861-3(lines 1861 1864) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-26 11:56:27,546 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1846) no Hoare annotation was computed. [2023-11-26 11:56:27,546 INFO L895 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-26 11:56:27,547 INFO L899 garLoopResultBuilder]: For program point L1853-1(line 1853) no Hoare annotation was computed. [2023-11-26 11:56:27,547 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1878 1897) no Hoare annotation was computed. [2023-11-26 11:56:27,547 INFO L895 garLoopResultBuilder]: At program point L1870(line 1870) the Hoare annotation is: false [2023-11-26 11:56:27,547 INFO L899 garLoopResultBuilder]: For program point L1870-1(line 1870) no Hoare annotation was computed. [2023-11-26 11:56:27,547 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2023-11-26 11:56:27,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2023-11-26 11:56:27,548 INFO L899 garLoopResultBuilder]: For program point L1846(line 1846) no Hoare annotation was computed. [2023-11-26 11:56:27,548 INFO L899 garLoopResultBuilder]: For program point L1846-1(line 1846) no Hoare annotation was computed. [2023-11-26 11:56:27,548 INFO L899 garLoopResultBuilder]: For program point L1846-3(lines 1846 1854) no Hoare annotation was computed. [2023-11-26 11:56:27,548 INFO L899 garLoopResultBuilder]: For program point L1846-5(lines 1832 1856) no Hoare annotation was computed. [2023-11-26 11:56:27,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2023-11-26 11:56:27,549 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:56:27,549 INFO L899 garLoopResultBuilder]: For program point L1848(line 1848) no Hoare annotation was computed. [2023-11-26 11:56:27,549 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2023-11-26 11:56:27,550 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 1912) no Hoare annotation was computed. [2023-11-26 11:56:27,550 INFO L899 garLoopResultBuilder]: For program point L1840(lines 1840 1855) no Hoare annotation was computed. [2023-11-26 11:56:27,550 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 1913) no Hoare annotation was computed. [2023-11-26 11:56:27,550 INFO L899 garLoopResultBuilder]: For program point L1865(lines 1865 1876) no Hoare annotation was computed. [2023-11-26 11:56:27,550 INFO L899 garLoopResultBuilder]: For program point L1890(lines 1890 1896) no Hoare annotation was computed. [2023-11-26 11:56:27,551 INFO L899 garLoopResultBuilder]: For program point L1857(lines 1857 1877) no Hoare annotation was computed. [2023-11-26 11:56:27,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2023-11-26 11:56:27,551 INFO L902 garLoopResultBuilder]: At program point L1882(line 1882) the Hoare annotation is: true [2023-11-26 11:56:27,551 INFO L895 garLoopResultBuilder]: At program point L1849(line 1849) the Hoare annotation is: false [2023-11-26 11:56:27,551 INFO L899 garLoopResultBuilder]: For program point L1882-1(lines 1882 1889) no Hoare annotation was computed. [2023-11-26 11:56:27,551 INFO L899 garLoopResultBuilder]: For program point L1849-1(line 1849) no Hoare annotation was computed. [2023-11-26 11:56:27,552 INFO L895 garLoopResultBuilder]: At program point L1882-3(lines 1882 1889) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-26 11:56:27,552 INFO L895 garLoopResultBuilder]: At program point L1874(line 1874) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-26 11:56:27,552 INFO L899 garLoopResultBuilder]: For program point L1874-1(line 1874) no Hoare annotation was computed. [2023-11-26 11:56:27,553 INFO L902 garLoopResultBuilder]: At program point L1924(line 1924) the Hoare annotation is: true [2023-11-26 11:56:27,553 INFO L899 garLoopResultBuilder]: For program point L1924-1(line 1924) no Hoare annotation was computed. [2023-11-26 11:56:27,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:56:27,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2023-11-26 11:56:27,553 INFO L895 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: false [2023-11-26 11:56:27,554 INFO L899 garLoopResultBuilder]: For program point L1842-1(line 1842) no Hoare annotation was computed. [2023-11-26 11:56:27,554 INFO L899 garLoopResultBuilder]: For program point L1867(line 1867) no Hoare annotation was computed. [2023-11-26 11:56:27,554 INFO L899 garLoopResultBuilder]: For program point L1867-1(line 1867) no Hoare annotation was computed. [2023-11-26 11:56:27,554 INFO L899 garLoopResultBuilder]: For program point L1867-3(lines 1867 1875) no Hoare annotation was computed. [2023-11-26 11:56:27,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2023-11-26 11:56:27,554 INFO L895 garLoopResultBuilder]: At program point L1884(line 1884) the Hoare annotation is: false [2023-11-26 11:56:27,555 INFO L899 garLoopResultBuilder]: For program point L1884-1(line 1884) no Hoare annotation was computed. [2023-11-26 11:56:27,555 INFO L899 garLoopResultBuilder]: For program point L1909(line 1909) no Hoare annotation was computed. [2023-11-26 11:56:27,555 INFO L899 garLoopResultBuilder]: For program point L1909-1(line 1909) no Hoare annotation was computed. [2023-11-26 11:56:27,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2023-11-26 11:56:27,555 INFO L902 garLoopResultBuilder]: At program point L1926(line 1926) the Hoare annotation is: true [2023-11-26 11:56:27,556 INFO L899 garLoopResultBuilder]: For program point L1893(line 1893) no Hoare annotation was computed. [2023-11-26 11:56:27,556 INFO L899 garLoopResultBuilder]: For program point L1926-1(line 1926) no Hoare annotation was computed. [2023-11-26 11:56:27,556 INFO L899 garLoopResultBuilder]: For program point L1893-1(line 1893) no Hoare annotation was computed. [2023-11-26 11:56:27,556 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-26 11:56:27,556 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-26 11:56:27,560 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:27,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:56:27,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:56:27 BoogieIcfgContainer [2023-11-26 11:56:27,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:56:27,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:56:27,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:56:27,572 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:56:27,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:11" (3/4) ... [2023-11-26 11:56:27,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:56:27,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-26 11:56:27,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 11:56:27,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 11:56:27,581 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-26 11:56:27,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-26 11:56:27,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 11:56:27,591 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:56:27,592 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:56:27,746 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:56:27,746 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:56:27,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:56:27,747 INFO L158 Benchmark]: Toolchain (without parser) took 28199.19ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 75.9MB in the beginning and 94.6MB in the end (delta: -18.7MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,748 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:27,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2859.88ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 75.7MB in the beginning and 80.8MB in the end (delta: -5.2MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.14ms. Allocated memory is still 130.0MB. Free memory was 80.8MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,750 INFO L158 Benchmark]: Boogie Preprocessor took 125.27ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 73.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,750 INFO L158 Benchmark]: RCFGBuilder took 9125.26ms. Allocated memory is still 130.0MB. Free memory was 73.3MB in the beginning and 95.0MB in the end (delta: -21.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,751 INFO L158 Benchmark]: TraceAbstraction took 15804.94ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 41.6MB in the end (delta: 52.3MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,751 INFO L158 Benchmark]: Witness Printer took 175.15ms. Allocated memory is still 130.0MB. Free memory was 41.6MB in the beginning and 94.6MB in the end (delta: -53.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-26 11:56:27,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2859.88ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 75.7MB in the beginning and 80.8MB in the end (delta: -5.2MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.14ms. Allocated memory is still 130.0MB. Free memory was 80.8MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.27ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 73.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9125.26ms. Allocated memory is still 130.0MB. Free memory was 73.3MB in the beginning and 95.0MB in the end (delta: -21.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15804.94ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 41.6MB in the end (delta: 52.3MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Witness Printer took 175.15ms. Allocated memory is still 130.0MB. Free memory was 41.6MB in the beginning and 94.6MB in the end (delta: -53.0MB). Peak memory consumption was 7.8MB. 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 5 procedures, 76 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 2604 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1602 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 1002 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=1, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 118 PreInvPairs, 130 NumberOfFragments, 34 HoareAnnotationTreeSize, 118 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 665 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1488 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 264/264 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! [2023-11-26 11:56:27,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323e7c46-3f04-40ee-85c9-001764917bb5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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