./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --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 d56f0f7f4d614dc7345110e471761df5ff61f1a502c2a70eddc7b4bf3f43e8b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:38:35,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:38:35,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:38:35,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:38:35,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:38:35,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:38:35,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:38:35,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:38:35,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:38:35,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:38:35,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:38:35,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:38:35,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:38:35,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:38:35,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:38:35,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:38:35,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:38:35,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:38:35,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:38:35,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:38:35,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:38:35,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:38:35,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:38:35,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:38:35,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:38:35,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:38:35,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:38:35,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:38:35,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:38:35,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:38:35,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:38:35,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:38:35,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:38:35,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:38:35,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:38:35,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:38:35,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:38:35,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:38:35,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:38:35,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:38:35,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:38:35,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:38:35,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:38:35,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:38:35,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:38:35,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:38:35,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:38:35,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:38:35,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:38:35,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:38:35,545 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:38:35,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:38:35,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:38:35,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:38:35,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:38:35,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:38:35,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:38:35,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:38:35,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:38:35,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:38:35,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:38:35,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:38:35,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:38:35,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:38:35,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:38:35,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:35,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:38:35,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:38:35,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:38:35,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:38:35,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:38:35,551 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:38:35,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:38:35,552 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:38:35,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:38:35,553 INFO L138 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_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d56f0f7f4d614dc7345110e471761df5ff61f1a502c2a70eddc7b4bf3f43e8b3 [2022-11-25 15:38:35,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:38:35,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:38:35,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:38:35,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:38:35,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:38:35,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i [2022-11-25 15:38:39,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:38:39,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:38:39,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i [2022-11-25 15:38:39,544 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data/c8a46136a/ad92b42477fd447faed288e536d214bf/FLAG28b5a0f12 [2022-11-25 15:38:39,566 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data/c8a46136a/ad92b42477fd447faed288e536d214bf [2022-11-25 15:38:39,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:38:39,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:38:39,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:39,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:38:39,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:38:39,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:39" (1/1) ... [2022-11-25 15:38:39,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8666ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:39, skipping insertion in model container [2022-11-25 15:38:39,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:39" (1/1) ... [2022-11-25 15:38:39,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:38:39,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:38:40,139 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:40,817 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:40,823 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:40,826 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:40,828 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:40,829 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:41,513 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:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) 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:282) 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:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-25 15:38:41,519 INFO L158 Benchmark]: Toolchain (without parser) took 1945.09ms. Allocated memory is still 226.5MB. Free memory was 178.2MB in the beginning and 154.4MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 15:38:41,520 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:38:41,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1942.56ms. Allocated memory is still 226.5MB. Free memory was 178.2MB in the beginning and 154.4MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 15:38:41,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1942.56ms. Allocated memory is still 226.5MB. Free memory was 178.2MB in the beginning and 154.4MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. 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:806) 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_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --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 d56f0f7f4d614dc7345110e471761df5ff61f1a502c2a70eddc7b4bf3f43e8b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:38:43,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:38:43,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:38:43,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:38:43,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:38:43,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:38:43,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:38:43,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:38:43,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:38:43,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:38:43,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:38:43,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:38:43,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:38:43,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:38:43,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:38:43,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:38:43,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:38:43,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:38:43,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:38:43,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:38:43,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:38:43,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:38:43,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:38:43,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:38:43,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:38:43,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:38:43,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:38:43,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:38:43,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:38:43,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:38:43,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:38:43,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:38:43,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:38:43,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:38:43,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:38:43,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:38:43,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:38:43,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:38:43,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:38:43,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:38:43,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:38:43,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 15:38:43,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:38:43,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:38:43,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:38:43,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:38:43,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:38:43,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:38:43,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:38:43,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:38:43,990 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:38:43,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:38:43,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:38:43,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:38:43,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:38:43,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:38:43,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:38:43,992 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:38:43,993 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:38:43,993 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:38:43,993 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:38:43,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:38:43,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:38:43,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:38:43,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:38:43,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:38:43,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:38:43,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:43,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:38:43,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:38:43,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:38:43,995 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:38:43,995 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:38:43,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:38:43,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:38:43,996 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:38:43,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:38:43,997 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:38:43,997 INFO L138 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_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d56f0f7f4d614dc7345110e471761df5ff61f1a502c2a70eddc7b4bf3f43e8b3 [2022-11-25 15:38:44,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:38:44,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:38:44,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:38:44,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:38:44,387 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:38:44,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i [2022-11-25 15:38:47,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:38:48,144 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:38:48,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_04_good.i [2022-11-25 15:38:48,170 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data/2c161640f/2ad6017363ce4231854cd137b51fee10/FLAGabc2bfe4c [2022-11-25 15:38:48,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/data/2c161640f/2ad6017363ce4231854cd137b51fee10 [2022-11-25 15:38:48,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:38:48,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:38:48,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:48,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:38:48,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:38:48,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:48" (1/1) ... [2022-11-25 15:38:48,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683e4710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:48, skipping insertion in model container [2022-11-25 15:38:48,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:48" (1/1) ... [2022-11-25 15:38:48,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:38:48,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:38:48,861 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:49,647 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:49,654 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:49,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:49,660 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:49,661 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:50,125 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:38:50,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:38:50,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:38:50,163 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:50,213 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:50,214 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:50,216 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:50,218 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:50,219 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:50,235 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:38:50,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:38:50,703 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:38:50,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50 WrapperNode [2022-11-25 15:38:50,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:50,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:38:50,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:38:50,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:38:50,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,805 INFO L138 Inliner]: procedures = 946, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2022-11-25 15:38:50,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:38:50,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:38:50,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:38:50,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:38:50,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:38:50,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:38:50,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:38:50,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:38:50,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (1/1) ... [2022-11-25 15:38:50,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:50,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:38:50,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:38:50,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:38:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 15:38:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 15:38:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:38:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:38:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:38:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:38:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:38:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:38:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:38:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:38:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 15:38:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 15:38:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 15:38:51,182 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:38:51,185 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:38:56,968 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:38:56,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:38:56,980 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:38:56,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:56 BoogieIcfgContainer [2022-11-25 15:38:56,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:38:56,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:38:56,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:38:56,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:38:56,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:38:48" (1/3) ... [2022-11-25 15:38:56,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4205d1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:38:56, skipping insertion in model container [2022-11-25 15:38:56,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:50" (2/3) ... [2022-11-25 15:38:56,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4205d1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:38:56, skipping insertion in model container [2022-11-25 15:38:56,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:56" (3/3) ... [2022-11-25 15:38:56,991 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_04_good.i [2022-11-25 15:38:57,011 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:38:57,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 15:38:57,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:38:57,067 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=LoopsAndPotentialCycles, 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;@863c60c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:38:57,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 15:38:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.575) internal successors, (63), 57 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 15:38:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:38:57,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:57,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:57,082 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)] === [2022-11-25 15:38:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:57,103 INFO L85 PathProgramCache]: Analyzing trace with hash -675255140, now seen corresponding path program 1 times [2022-11-25 15:38:57,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:38:57,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104646111] [2022-11-25 15:38:57,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:57,124 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 [2022-11-25 15:38:57,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:38:57,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:38:57,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:38:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:57,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 15:38:57,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:38:57,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 15:38:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:38:57,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:38:57,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:38:57,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104646111] [2022-11-25 15:38:57,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104646111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:38:57,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:38:57,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:38:57,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638545415] [2022-11-25 15:38:57,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:38:57,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:38:57,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:38:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:38:57,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:38:57,628 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.575) internal successors, (63), 57 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:38:57,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:38:57,822 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2022-11-25 15:38:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:38:57,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 15:38:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:38:57,839 INFO L225 Difference]: With dead ends: 64 [2022-11-25 15:38:57,840 INFO L226 Difference]: Without dead ends: 55 [2022-11-25 15:38:57,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:38:57,849 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:38:57,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 222 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:38:57,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-25 15:38:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-11-25 15:38:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 49 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 15:38:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2022-11-25 15:38:57,902 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 12 [2022-11-25 15:38:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:38:57,905 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2022-11-25 15:38:57,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:38:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-11-25 15:38:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 15:38:57,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:57,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:57,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:38:58,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:38:58,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:38:58,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 541931239, now seen corresponding path program 1 times [2022-11-25 15:38:58,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:38:58,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552263709] [2022-11-25 15:38:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:58,124 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 [2022-11-25 15:38:58,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:38:58,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:38:58,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:38:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:58,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:38:58,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:38:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:38:58,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:38:58,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:38:58,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552263709] [2022-11-25 15:38:58,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552263709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:38:58,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:38:58,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:38:58,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577105739] [2022-11-25 15:38:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:38:58,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:38:58,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:38:58,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:38:58,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:38:58,301 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:38:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:38:58,348 INFO L93 Difference]: Finished difference Result 98 states and 126 transitions. [2022-11-25 15:38:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:38:58,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 15:38:58,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:38:58,354 INFO L225 Difference]: With dead ends: 98 [2022-11-25 15:38:58,355 INFO L226 Difference]: Without dead ends: 55 [2022-11-25 15:38:58,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:38:58,357 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:38:58,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:38:58,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-25 15:38:58,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-25 15:38:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 50 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 15:38:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 72 transitions. [2022-11-25 15:38:58,370 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 72 transitions. Word has length 13 [2022-11-25 15:38:58,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:38:58,371 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 72 transitions. [2022-11-25 15:38:58,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:38:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-11-25 15:38:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 15:38:58,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:58,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:58,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:38:58,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:38:58,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:38:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:58,600 INFO L85 PathProgramCache]: Analyzing trace with hash -380125698, now seen corresponding path program 1 times [2022-11-25 15:38:58,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:38:58,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849265341] [2022-11-25 15:38:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:58,601 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 [2022-11-25 15:38:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:38:58,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:38:58,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:40:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:44,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 15:40:44,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:46,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-25 15:40:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:46,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:40:46,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:40:46,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849265341] [2022-11-25 15:40:46,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849265341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:40:46,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:40:46,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:40:46,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038143412] [2022-11-25 15:40:46,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:40:46,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:40:46,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:40:46,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:40:46,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:40:46,509 INFO L87 Difference]: Start difference. First operand 55 states and 72 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:40:49,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 15:40:50,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:40:50,199 INFO L93 Difference]: Finished difference Result 55 states and 72 transitions. [2022-11-25 15:40:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:40:50,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 15:40:50,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:40:50,201 INFO L225 Difference]: With dead ends: 55 [2022-11-25 15:40:50,201 INFO L226 Difference]: Without dead ends: 54 [2022-11-25 15:40:50,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:40:50,202 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 4 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 15:40:50,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 279 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 15:40:50,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-25 15:40:50,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-25 15:40:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 49 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 15:40:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2022-11-25 15:40:50,210 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 14 [2022-11-25 15:40:50,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:40:50,210 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2022-11-25 15:40:50,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:40:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-11-25 15:40:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 15:40:50,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:40:50,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:40:50,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:40:50,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:40:50,432 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)] === [2022-11-25 15:40:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1101005321, now seen corresponding path program 1 times [2022-11-25 15:40:50,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:40:50,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899952724] [2022-11-25 15:40:50,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:50,434 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 [2022-11-25 15:40:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:40:50,435 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:40:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:42:26,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 15:42:26,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:42:28,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-25 15:42:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:42:28,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:42:28,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:42:28,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899952724] [2022-11-25 15:42:28,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899952724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:42:28,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:42:28,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:42:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215067286] [2022-11-25 15:42:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:42:28,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:42:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:42:28,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:42:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:42:28,551 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:42:30,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:42:30,163 INFO L93 Difference]: Finished difference Result 54 states and 71 transitions. [2022-11-25 15:42:30,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:42:30,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 15:42:30,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:42:30,164 INFO L225 Difference]: With dead ends: 54 [2022-11-25 15:42:30,165 INFO L226 Difference]: Without dead ends: 53 [2022-11-25 15:42:30,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:42:30,166 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 1 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 15:42:30,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 234 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 15:42:30,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-25 15:42:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-25 15:42:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.5) internal successors, (54), 48 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 15:42:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2022-11-25 15:42:30,173 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 15 [2022-11-25 15:42:30,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:42:30,174 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2022-11-25 15:42:30,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:42:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-25 15:42:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 15:42:30,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:30,175 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:30,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-25 15:42:30,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:30,391 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)] === [2022-11-25 15:42:30,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:30,391 INFO L85 PathProgramCache]: Analyzing trace with hash -2116818892, now seen corresponding path program 1 times [2022-11-25 15:42:30,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:42:30,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882208713] [2022-11-25 15:42:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:30,392 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 [2022-11-25 15:42:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:42:30,393 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:42:30,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:42:30,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:42:30,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:42:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:42:30,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:42:30,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:42:30,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882208713] [2022-11-25 15:42:30,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882208713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:42:30,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:42:30,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:42:30,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106278507] [2022-11-25 15:42:30,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:42:30,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:42:30,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:42:30,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:42:30,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:42:30,557 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:42:30,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:42:30,568 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2022-11-25 15:42:30,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:42:30,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-11-25 15:42:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:42:30,570 INFO L225 Difference]: With dead ends: 90 [2022-11-25 15:42:30,570 INFO L226 Difference]: Without dead ends: 51 [2022-11-25 15:42:30,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:42:30,571 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:42:30,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:42:30,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-25 15:42:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-25 15:42:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 46 states have internal predecessors, (52), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:42:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2022-11-25 15:42:30,579 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 21 [2022-11-25 15:42:30,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:42:30,579 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2022-11-25 15:42:30,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:42:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2022-11-25 15:42:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 15:42:30,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:30,580 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:30,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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)] Ended with exit code 0 [2022-11-25 15:42:30,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:30,795 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)] === [2022-11-25 15:42:30,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash 501616142, now seen corresponding path program 1 times [2022-11-25 15:42:30,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:42:30,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109238648] [2022-11-25 15:42:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:30,796 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 [2022-11-25 15:42:30,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:42:30,800 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:42:30,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:42:30,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 15:42:30,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:42:31,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 15:42:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 15:42:31,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:42:31,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:42:31,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109238648] [2022-11-25 15:42:31,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109238648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:42:31,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:42:31,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:42:31,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68470084] [2022-11-25 15:42:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:42:31,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:42:31,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:42:31,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:42:31,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:42:31,016 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:42:31,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:42:31,165 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2022-11-25 15:42:31,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:42:31,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-25 15:42:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:42:31,166 INFO L225 Difference]: With dead ends: 52 [2022-11-25 15:42:31,166 INFO L226 Difference]: Without dead ends: 51 [2022-11-25 15:42:31,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:42:31,168 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:42:31,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 162 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:42:31,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-25 15:42:31,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-11-25 15:42:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 45 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:42:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-11-25 15:42:31,175 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 23 [2022-11-25 15:42:31,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:42:31,176 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-25 15:42:31,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:42:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-25 15:42:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 15:42:31,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:31,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:31,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:31,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:31,390 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:42:31,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1629764651, now seen corresponding path program 1 times [2022-11-25 15:42:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:42:31,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16307617] [2022-11-25 15:42:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:31,392 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 [2022-11-25 15:42:31,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:42:31,397 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:42:31,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:42:31,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:42:31,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:42:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 15:42:31,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:42:31,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:42:31,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16307617] [2022-11-25 15:42:31,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16307617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:42:31,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:42:31,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:42:31,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931445316] [2022-11-25 15:42:31,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:42:31,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:42:31,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:42:31,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:42:31,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:42:31,579 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:42:31,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:42:31,612 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2022-11-25 15:42:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:42:31,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-25 15:42:31,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:42:31,614 INFO L225 Difference]: With dead ends: 75 [2022-11-25 15:42:31,614 INFO L226 Difference]: Without dead ends: 51 [2022-11-25 15:42:31,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:42:31,615 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:42:31,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:42:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-25 15:42:31,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-25 15:42:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 46 states have internal predecessors, (52), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:42:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2022-11-25 15:42:31,622 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 24 [2022-11-25 15:42:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:42:31,622 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2022-11-25 15:42:31,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:42:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2022-11-25 15:42:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 15:42:31,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:31,624 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:31,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:42:31,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:42:31,835 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:42:31,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:31,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1016778480, now seen corresponding path program 1 times [2022-11-25 15:42:31,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:42:31,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661079311] [2022-11-25 15:42:31,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:31,836 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 [2022-11-25 15:42:31,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:42:31,839 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:42:31,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:43:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:43:55,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 15:43:55,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:43:57,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-25 15:43:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 15:43:57,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:43:57,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:43:57,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661079311] [2022-11-25 15:43:57,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661079311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:43:57,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:43:57,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:43:57,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107757620] [2022-11-25 15:43:57,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:43:57,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:43:57,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:43:57,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:43:57,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:43:57,700 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:44:01,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 15:44:01,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:44:01,224 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-11-25 15:44:01,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:44:01,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-25 15:44:01,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:44:01,231 INFO L225 Difference]: With dead ends: 51 [2022-11-25 15:44:01,231 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 15:44:01,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:44:01,232 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 4 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 15:44:01,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 234 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 15:44:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 15:44:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-25 15:44:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 45 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:44:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-11-25 15:44:01,244 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 25 [2022-11-25 15:44:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:44:01,244 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-25 15:44:01,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:44:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-25 15:44:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 15:44:01,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:44:01,245 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:44:01,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:44:01,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:44:01,455 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:44:01,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:44:01,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2105243702, now seen corresponding path program 1 times [2022-11-25 15:44:01,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:44:01,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432884057] [2022-11-25 15:44:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:44:01,456 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 [2022-11-25 15:44:01,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:44:01,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:44:01,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:44:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:44:01,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:44:01,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:44:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 15:44:01,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:44:01,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:44:01,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432884057] [2022-11-25 15:44:01,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432884057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:44:01,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:44:01,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:44:01,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842338518] [2022-11-25 15:44:01,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:44:01,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:44:01,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:44:01,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:44:01,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:44:01,660 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:44:01,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:44:01,692 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2022-11-25 15:44:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:44:01,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 15:44:01,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:44:01,694 INFO L225 Difference]: With dead ends: 95 [2022-11-25 15:44:01,694 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 15:44:01,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:44:01,696 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:44:01,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 50 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:44:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 15:44:01,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-25 15:44:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 43 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:44:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-11-25 15:44:01,703 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 26 [2022-11-25 15:44:01,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:44:01,703 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-11-25 15:44:01,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:44:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-25 15:44:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 15:44:01,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:44:01,705 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:44:01,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:44:01,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:44:01,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:44:01,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:44:01,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1455361911, now seen corresponding path program 1 times [2022-11-25 15:44:01,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:44:01,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977565396] [2022-11-25 15:44:01,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:44:01,930 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 [2022-11-25 15:44:01,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:44:01,931 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:44:01,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:45:47,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 15:45:47,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:45:48,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-25 15:45:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 15:45:49,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:45:49,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:45:49,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977565396] [2022-11-25 15:45:49,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977565396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:45:49,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:45:49,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:45:49,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400311864] [2022-11-25 15:45:49,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:45:49,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:45:49,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:45:49,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:45:49,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:45:49,915 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:45:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:45:51,298 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2022-11-25 15:45:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:45:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 15:45:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:45:51,300 INFO L225 Difference]: With dead ends: 50 [2022-11-25 15:45:51,300 INFO L226 Difference]: Without dead ends: 49 [2022-11-25 15:45:51,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:45:51,301 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 15:45:51,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 178 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 15:45:51,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-25 15:45:51,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-25 15:45:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 42 states have internal predecessors, (45), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:45:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-11-25 15:45:51,309 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 26 [2022-11-25 15:45:51,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:45:51,309 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-11-25 15:45:51,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:45:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-11-25 15:45:51,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 15:45:51,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:45:51,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:45:51,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:51,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:51,527 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)] === [2022-11-25 15:45:51,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:45:51,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1588081442, now seen corresponding path program 1 times [2022-11-25 15:45:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:45:51,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190102275] [2022-11-25 15:45:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:45:51,528 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 [2022-11-25 15:45:51,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:45:51,529 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:45:51,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:45:51,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:45:51,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:45:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 15:45:51,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:45:51,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:45:51,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190102275] [2022-11-25 15:45:51,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190102275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:45:51,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:45:51,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:45:51,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528533553] [2022-11-25 15:45:51,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:45:51,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:45:51,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:45:51,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:45:51,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:45:51,738 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 15:45:51,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:45:51,959 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-11-25 15:45:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:45:51,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-11-25 15:45:51,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:45:51,966 INFO L225 Difference]: With dead ends: 49 [2022-11-25 15:45:51,966 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 15:45:51,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:45:51,967 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 8 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:45:51,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 92 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:45:51,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 15:45:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-25 15:45:51,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.162162162162162) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 15:45:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-25 15:45:51,973 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 33 [2022-11-25 15:45:51,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:45:51,974 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-25 15:45:51,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 15:45:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-25 15:45:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 15:45:51,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:45:51,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:45:51,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 15:45:52,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:52,190 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:45:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:45:52,190 INFO L85 PathProgramCache]: Analyzing trace with hash -900928697, now seen corresponding path program 1 times [2022-11-25 15:45:52,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:45:52,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783128040] [2022-11-25 15:45:52,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:45:52,191 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 [2022-11-25 15:45:52,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:45:52,192 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 15:45:52,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:45:52,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:45:52,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:45:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 15:45:52,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:45:52,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:45:52,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783128040] [2022-11-25 15:45:52,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783128040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:45:52,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:45:52,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:45:52,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43226925] [2022-11-25 15:45:52,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:45:52,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:45:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:45:52,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:45:52,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:45:52,433 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 15:45:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:45:52,562 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-11-25 15:45:52,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:45:52,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-25 15:45:52,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:45:52,567 INFO L225 Difference]: With dead ends: 47 [2022-11-25 15:45:52,567 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:45:52,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:45:52,568 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:45:52,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:45:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:45:52,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:45:52,569 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) [2022-11-25 15:45:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:45:52,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-25 15:45:52,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:45:52,570 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:45:52,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 15:45:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:45:52,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:45:52,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 15:45:52,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 15:45:52,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 15:45:52,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 15:45:52,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 15:45:52,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 15:45:52,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 15:45:52,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 15:45:52,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 15:45:52,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 15:45:52,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:52,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 15:45:52,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:45:52,861 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 15:45:52,861 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:45:52,861 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 15:45:52,861 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L895 garLoopResultBuilder]: At program point L1844(line 1844) the Hoare annotation is: false [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point L1869(line 1869) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point L1869-1(line 1869) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point L1869-3(lines 1869 1877) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1895) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-25 15:45:52,862 INFO L895 garLoopResultBuilder]: At program point L1886(line 1886) the Hoare annotation is: false [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point L1911(line 1911) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point L1911-1(line 1911) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1911) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L902 garLoopResultBuilder]: At program point L1928(line 1928) the Hoare annotation is: true [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point L1895(line 1895) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point L1928-1(line 1928) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point L1895-1(line 1895) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1850) no Hoare annotation was computed. [2022-11-25 15:45:52,863 INFO L902 garLoopResultBuilder]: At program point L1912(line 1912) the Hoare annotation is: true [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1904(lines 1904 1907) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1871(line 1871) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1838(lines 1838 1841) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1871-1(line 1871) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1904-2(lines 1901 1915) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1838-2(lines 1835 1858) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1911) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L902 garLoopResultBuilder]: At program point L1929(lines 1923 1930) the Hoare annotation is: true [2022-11-25 15:45:52,864 INFO L895 garLoopResultBuilder]: At program point L1896(line 1896) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 (_ bv1 32)) (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~STATIC_CONST_FALSE~0 (_ bv0 32))) [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1863(lines 1863 1866) no Hoare annotation was computed. [2022-11-25 15:45:52,864 INFO L899 garLoopResultBuilder]: For program point L1863-2(lines 1860 1879) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L895 garLoopResultBuilder]: At program point L1855(line 1855) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 (_ bv1 32)) (= ~STATIC_CONST_FALSE~0 (_ bv0 32))) [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point L1855-1(lines 1842 1857) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point L1880(lines 1880 1899) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L895 garLoopResultBuilder]: At program point L1872(line 1872) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 (_ bv1 32)) (= ~STATIC_CONST_FALSE~0 (_ bv0 32))) [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point L1848(line 1848) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point L1848-3(lines 1848 1856) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:45:52,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1916(lines 1916 1922) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1850(line 1850) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1850-1(line 1850) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1900(lines 1900 1915) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 1878) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1834(lines 1834 1858) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1859(lines 1859 1879) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1850) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L899 garLoopResultBuilder]: For program point L1884(lines 1884 1891) no Hoare annotation was computed. [2022-11-25 15:45:52,866 INFO L895 garLoopResultBuilder]: At program point L1851(line 1851) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 (_ bv1 32)) (= ~STATIC_CONST_FALSE~0 (_ bv0 32))) [2022-11-25 15:45:52,867 INFO L899 garLoopResultBuilder]: For program point L1884-1(lines 1881 1899) no Hoare annotation was computed. [2022-11-25 15:45:52,867 INFO L895 garLoopResultBuilder]: At program point L1876(line 1876) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 (_ bv1 32)) (= ~STATIC_CONST_FALSE~0 (_ bv0 32))) [2022-11-25 15:45:52,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1895) no Hoare annotation was computed. [2022-11-25 15:45:52,869 INFO L895 garLoopResultBuilder]: At program point L1926(line 1926) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 (_ bv1 32)) (= ~STATIC_CONST_FALSE~0 (_ bv0 32))) [2022-11-25 15:45:52,869 INFO L899 garLoopResultBuilder]: For program point L1926-1(line 1926) no Hoare annotation was computed. [2022-11-25 15:45:52,873 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:45:52,875 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:45:52,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:45:52 BoogieIcfgContainer [2022-11-25 15:45:52,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:45:52,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:45:52,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:45:52,886 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:45:52,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:56" (3/4) ... [2022-11-25 15:45:52,890 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:45:52,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 15:45:52,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 15:45:52,904 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 15:45:52,904 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-25 15:45:52,904 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 15:45:52,905 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:45:52,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:45:52,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:45:52,948 INFO L158 Benchmark]: Toolchain (without parser) took 424746.46ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 45.3MB in the end (delta: 5.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:52,948 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:45:52,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2499.65ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.3MB in the beginning and 64.2MB in the end (delta: -13.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-25 15:45:52,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.09ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 60.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:45:52,950 INFO L158 Benchmark]: Boogie Preprocessor took 38.93ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 57.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:52,950 INFO L158 Benchmark]: RCFGBuilder took 6136.52ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 38.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 15:45:52,950 INFO L158 Benchmark]: TraceAbstraction took 415901.07ms. Allocated memory is still 98.6MB. Free memory was 37.7MB in the beginning and 49.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:45:52,951 INFO L158 Benchmark]: Witness Printer took 61.78ms. Allocated memory is still 98.6MB. Free memory was 49.0MB in the beginning and 45.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:45:52,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2499.65ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.3MB in the beginning and 64.2MB in the end (delta: -13.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.09ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 60.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.93ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 57.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6136.52ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 38.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 415901.07ms. Allocated memory is still 98.6MB. Free memory was 37.7MB in the beginning and 49.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.78ms. Allocated memory is still 98.6MB. Free memory was 49.0MB in the beginning and 45.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. 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: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1850]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1850]: 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: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1895]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1895]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 415.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 1859 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1147 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285 IncrementalHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 712 mSDtfsCounter, 285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 36 PreInvPairs, 41 NumberOfFragments, 52 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 391.3s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 10 QuantifiedInterpolants, 1072 SizeOfPredicates, 40 NumberOfNonLiveVariables, 1390 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 48/48 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 - InvariantResult [Line: 1923]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 15:45:53,190 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-25 15:45:53,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7899bb71-b3bd-4dfc-a747-450151a3991e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE