./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- 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 22:30:42,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:30:42,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:30:42,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:30:42,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:30:42,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:30:42,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:30:42,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:30:42,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:30:42,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:30:42,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:30:42,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:30:42,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:30:42,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:30:42,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:30:42,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:30:42,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:30:42,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:30:42,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:30:42,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:30:42,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:30:42,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:30:42,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:30:42,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:30:42,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:30:42,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:30:42,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:30:42,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:30:42,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:30:42,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:30:42,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:30:42,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:30:42,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:30:42,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:30:42,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:30:42,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:30:42,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:30:42,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:30:42,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:30:42,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:30:42,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:30:42,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:30:42,475 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:30:42,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:30:42,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:30:42,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:30:42,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:30:42,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:30:42,478 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:30:42,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:30:42,478 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:30:42,479 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:30:42,480 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:30:42,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:30:42,480 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:30:42,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:30:42,481 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:30:42,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:30:42,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:30:42,482 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:30:42,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:30:42,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:30:42,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:30:42,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:30:42,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:30:42,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:30:42,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:30:42,484 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:30:42,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:30:42,485 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:30:42,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:30:42,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:30:42,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:30:42,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:42,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:30:42,487 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:30:42,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:30:42,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:30:42,487 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:30:42,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:30:42,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:30:42,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:30:42,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2022-11-25 22:30:42,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:30:42,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:30:42,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:30:42,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:30:42,800 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:30:42,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2022-11-25 22:30:45,959 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:30:46,365 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:30:46,366 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2022-11-25 22:30:46,390 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data/418a61fdc/6939aff7bf5b4f18b9ef86418f08e74f/FLAG8248d1558 [2022-11-25 22:30:46,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data/418a61fdc/6939aff7bf5b4f18b9ef86418f08e74f [2022-11-25 22:30:46,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:30:46,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:30:46,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:46,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:30:46,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:30:46,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:46" (1/1) ... [2022-11-25 22:30:46,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d956e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:46, skipping insertion in model container [2022-11-25 22:30:46,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:46" (1/1) ... [2022-11-25 22:30:46,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:30:46,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:30:46,986 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:30:47,700 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:30:47,705 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:30:47,708 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:30:47,710 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:30:47,711 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:30:48,377 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:30:48,385 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:2302) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:196) 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 22:30:48,390 INFO L158 Benchmark]: Toolchain (without parser) took 1979.14ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 104.4MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 22:30:48,391 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:30:48,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1976.68ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 105.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 22:30:48,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1976.68ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 105.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- 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 22:30:50,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:30:50,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:30:50,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:30:50,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:30:50,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:30:50,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:30:50,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:30:50,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:30:50,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:30:50,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:30:50,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:30:50,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:30:50,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:30:50,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:30:50,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:30:50,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:30:50,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:30:50,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:30:50,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:30:50,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:30:50,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:30:50,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:30:50,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:30:50,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:30:50,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:30:50,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:30:50,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:30:50,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:30:50,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:30:50,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:30:50,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:30:50,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:30:50,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:30:50,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:30:50,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:30:50,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:30:50,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:30:50,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:30:50,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:30:50,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:30:50,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:30:50,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:30:50,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:30:50,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:30:50,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:30:50,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:30:50,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:30:50,924 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:30:50,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:30:50,925 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:30:50,925 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:30:50,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:30:50,926 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:30:50,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:30:50,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:30:50,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:30:50,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:30:50,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:30:50,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:30:50,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:30:50,929 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:30:50,929 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:30:50,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:30:50,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:30:50,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:30:50,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:30:50,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:30:50,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:30:50,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:30:50,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:50,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:30:50,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:30:50,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:30:50,932 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:30:50,933 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:30:50,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:30:50,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:30:50,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:30:50,934 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2022-11-25 22:30:51,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:30:51,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:30:51,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:30:51,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:30:51,386 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:30:51,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2022-11-25 22:30:54,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:30:55,159 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:30:55,159 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2022-11-25 22:30:55,196 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data/5590df0b6/8f0a15150049448e9f106cb4307ab910/FLAG7e7d5028c [2022-11-25 22:30:55,217 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/data/5590df0b6/8f0a15150049448e9f106cb4307ab910 [2022-11-25 22:30:55,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:30:55,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:30:55,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:55,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:30:55,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:30:55,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:55" (1/1) ... [2022-11-25 22:30:55,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3bb9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:55, skipping insertion in model container [2022-11-25 22:30:55,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:55" (1/1) ... [2022-11-25 22:30:55,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:30:55,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:30:55,918 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:30:56,631 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:30:56,637 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:30:56,639 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:30:56,647 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:30:56,648 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:30:57,136 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:30:57,146 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:30:57,156 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:30:57,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:57,171 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:30:57,217 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:30:57,285 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:30:57,286 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:30:57,287 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:30:57,290 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:30:57,290 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:30:57,300 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:30:57,304 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:30:57,309 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:30:57,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:57,747 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:30:57,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57 WrapperNode [2022-11-25 22:30:57,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:57,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:57,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:30:57,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:30:57,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,827 INFO L138 Inliner]: procedures = 947, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 191 [2022-11-25 22:30:57,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:57,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:30:57,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:30:57,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:30:57,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:30:57,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:30:57,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:30:57,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:30:57,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (1/1) ... [2022-11-25 22:30:57,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:57,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:57,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:30:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:30:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 22:30:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 22:30:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:30:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:30:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:30:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:30:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:30:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 22:30:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 22:30:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:30:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:30:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:30:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:30:58,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:30:58,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:31:05,160 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:31:05,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:31:05,167 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:31:05,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:05 BoogieIcfgContainer [2022-11-25 22:31:05,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:31:05,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:31:05,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:31:05,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:31:05,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:30:55" (1/3) ... [2022-11-25 22:31:05,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115ba97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:05, skipping insertion in model container [2022-11-25 22:31:05,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:57" (2/3) ... [2022-11-25 22:31:05,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115ba97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:05, skipping insertion in model container [2022-11-25 22:31:05,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:05" (3/3) ... [2022-11-25 22:31:05,178 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_15_good.i [2022-11-25 22:31:05,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:31:05,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 22:31:05,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:31:05,255 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@1f6b4b95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:31:05,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 22:31:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 84 states have internal predecessors, (91), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 12 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 22:31:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:31:05,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:05,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:05,272 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 22:31:05,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:05,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1539634691, now seen corresponding path program 1 times [2022-11-25 22:31:05,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:05,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022663337] [2022-11-25 22:31:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:05,291 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 22:31:05,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:05,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:05,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:05,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:31:05,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:05,456 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 22:31:05,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:05,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:31:05,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022663337] [2022-11-25 22:31:05,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022663337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:05,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:05,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:05,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311638837] [2022-11-25 22:31:05,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:05,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:05,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:31:05,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:05,528 INFO L87 Difference]: Start difference. First operand has 89 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 84 states have internal predecessors, (91), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 12 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 22:31:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:05,612 INFO L93 Difference]: Finished difference Result 168 states and 238 transitions. [2022-11-25 22:31:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:05,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 22:31:05,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:05,623 INFO L225 Difference]: With dead ends: 168 [2022-11-25 22:31:05,624 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 22:31:05,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 22:31:05,630 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 4 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:05,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 236 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:31:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 22:31:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-25 22:31:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.56) internal successors, (78), 72 states have internal predecessors, (78), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:31:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 106 transitions. [2022-11-25 22:31:05,686 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 106 transitions. Word has length 15 [2022-11-25 22:31:05,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:05,687 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 106 transitions. [2022-11-25 22:31:05,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 22:31:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2022-11-25 22:31:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 22:31:05,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:05,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:05,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:05,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:05,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:31:05,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:05,904 INFO L85 PathProgramCache]: Analyzing trace with hash 323159829, now seen corresponding path program 1 times [2022-11-25 22:31:05,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:05,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418466546] [2022-11-25 22:31:05,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:05,907 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 22:31:05,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:05,912 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:05,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:06,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:31:06,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:06,099 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 22:31:06,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:06,099 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:31:06,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418466546] [2022-11-25 22:31:06,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418466546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:06,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:06,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:06,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951378263] [2022-11-25 22:31:06,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:06,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:31:06,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:06,103 INFO L87 Difference]: Start difference. First operand 76 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:31:08,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:08,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:08,978 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2022-11-25 22:31:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:08,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-25 22:31:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:08,988 INFO L225 Difference]: With dead ends: 77 [2022-11-25 22:31:08,989 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 22:31:08,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 22:31:08,990 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 3 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:08,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 294 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 22:31:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 22:31:09,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-11-25 22:31:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.54) internal successors, (77), 71 states have internal predecessors, (77), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:31:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 105 transitions. [2022-11-25 22:31:09,011 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 105 transitions. Word has length 16 [2022-11-25 22:31:09,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:09,011 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 105 transitions. [2022-11-25 22:31:09,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:31:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2022-11-25 22:31:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 22:31:09,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:09,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:09,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,227 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 22:31:09,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1428024224, now seen corresponding path program 1 times [2022-11-25 22:31:09,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:09,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249047957] [2022-11-25 22:31:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:09,229 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 22:31:09,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:09,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:09,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:31:09,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:09,410 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 22:31:09,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:09,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:31:09,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249047957] [2022-11-25 22:31:09,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249047957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:09,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:09,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:09,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275626698] [2022-11-25 22:31:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:09,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:09,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:31:09,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:09,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:09,413 INFO L87 Difference]: Start difference. First operand 75 states and 105 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22:31:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:09,448 INFO L93 Difference]: Finished difference Result 135 states and 187 transitions. [2022-11-25 22:31:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:09,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2022-11-25 22:31:09,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:09,455 INFO L225 Difference]: With dead ends: 135 [2022-11-25 22:31:09,455 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 22:31:09,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:09,456 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 202 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 22:31:09,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 202 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:31:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 22:31:09,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-25 22:31:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 72 states have internal predecessors, (78), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:31:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 106 transitions. [2022-11-25 22:31:09,481 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 106 transitions. Word has length 17 [2022-11-25 22:31:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:09,481 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 106 transitions. [2022-11-25 22:31:09,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22:31:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2022-11-25 22:31:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 22:31:09,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:09,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:09,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:31:09,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:09,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1318953079, now seen corresponding path program 1 times [2022-11-25 22:31:09,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:09,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092797419] [2022-11-25 22:31:09,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:09,702 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 22:31:09,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:09,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:31:09,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:32:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:20,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:32:20,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:22,378 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 22:32:22,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:22,378 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:32:22,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092797419] [2022-11-25 22:32:22,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092797419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:22,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:22,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:32:22,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981581621] [2022-11-25 22:32:22,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:22,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:32:22,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:32:22,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:32:22,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:32:22,381 INFO L87 Difference]: Start difference. First operand 76 states and 106 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 22:32:25,530 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 22:32:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:27,646 INFO L93 Difference]: Finished difference Result 187 states and 264 transitions. [2022-11-25 22:32:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:32:27,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 18 [2022-11-25 22:32:27,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:27,649 INFO L225 Difference]: With dead ends: 187 [2022-11-25 22:32:27,649 INFO L226 Difference]: Without dead ends: 130 [2022-11-25 22:32:27,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:32:27,651 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 66 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:27,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 738 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 22:32:27,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-25 22:32:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 82. [2022-11-25 22:32:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 77 states have internal predecessors, (86), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:32:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2022-11-25 22:32:27,671 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 18 [2022-11-25 22:32:27,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:27,672 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2022-11-25 22:32:27,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 22:32:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2022-11-25 22:32:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 22:32:27,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:27,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:27,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:27,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:32:27,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:32:27,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:27,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2062127422, now seen corresponding path program 1 times [2022-11-25 22:32:27,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:32:27,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514384962] [2022-11-25 22:32:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:27,899 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 22:32:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:32:27,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:32:27,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:41,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:33:41,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:43,927 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 22:33:43,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:33:43,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:33:43,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514384962] [2022-11-25 22:33:43,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514384962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:43,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:43,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:33:43,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006415183] [2022-11-25 22:33:43,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:43,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:33:43,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:33:43,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:33:43,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:33:43,929 INFO L87 Difference]: Start difference. First operand 82 states and 114 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 22:33:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:47,844 INFO L93 Difference]: Finished difference Result 130 states and 184 transitions. [2022-11-25 22:33:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:33:47,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 19 [2022-11-25 22:33:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:47,847 INFO L225 Difference]: With dead ends: 130 [2022-11-25 22:33:47,847 INFO L226 Difference]: Without dead ends: 129 [2022-11-25 22:33:47,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:33:47,849 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 63 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:47,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 588 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 22:33:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-25 22:33:47,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 81. [2022-11-25 22:33:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 76 states have internal predecessors, (85), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:33:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 113 transitions. [2022-11-25 22:33:47,862 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 113 transitions. Word has length 19 [2022-11-25 22:33:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:47,862 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 113 transitions. [2022-11-25 22:33:47,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 22:33:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2022-11-25 22:33:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 22:33:47,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:47,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:47,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:33:48,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,073 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 22:33:48,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:48,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1499145590, now seen corresponding path program 1 times [2022-11-25 22:33:48,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:33:48,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408086453] [2022-11-25 22:33:48,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:48,075 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 22:33:48,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:33:48,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:48,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:33:48,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:48,212 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 22:33:48,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:33:48,212 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:33:48,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408086453] [2022-11-25 22:33:48,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408086453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:48,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:48,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:48,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106407555] [2022-11-25 22:33:48,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:48,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:33:48,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:33:48,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:33:48,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:48,215 INFO L87 Difference]: Start difference. First operand 81 states and 113 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 22:33:48,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:48,230 INFO L93 Difference]: Finished difference Result 135 states and 187 transitions. [2022-11-25 22:33:48,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:33:48,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 22 [2022-11-25 22:33:48,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:48,232 INFO L225 Difference]: With dead ends: 135 [2022-11-25 22:33:48,232 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 22:33:48,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 22:33:48,233 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 8 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:48,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 187 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:33:48,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 22:33:48,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-25 22:33:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 75 states have internal predecessors, (83), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:33:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 111 transitions. [2022-11-25 22:33:48,243 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 111 transitions. Word has length 22 [2022-11-25 22:33:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:48,243 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 111 transitions. [2022-11-25 22:33:48,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 22:33:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-11-25 22:33:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 22:33:48,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:48,245 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 22:33:48,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,459 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:33:48,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:48,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2037912592, now seen corresponding path program 1 times [2022-11-25 22:33:48,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:33:48,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850467074] [2022-11-25 22:33:48,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:48,460 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 22:33:48,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:33:48,462 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:48,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:33:48,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:48,580 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 22:33:48,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:33:48,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:33:48,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850467074] [2022-11-25 22:33:48,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850467074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:48,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:48,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:48,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573503600] [2022-11-25 22:33:48,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:48,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:33:48,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:33:48,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:33:48,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:48,583 INFO L87 Difference]: Start difference. First operand 81 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:33:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:48,595 INFO L93 Difference]: Finished difference Result 135 states and 185 transitions. [2022-11-25 22:33:48,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:33:48,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2022-11-25 22:33:48,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:48,597 INFO L225 Difference]: With dead ends: 135 [2022-11-25 22:33:48,597 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 22:33:48,598 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 22:33:48,599 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:48,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:33:48,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 22:33:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-25 22:33:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.396551724137931) internal successors, (81), 74 states have internal predecessors, (81), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:33:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 107 transitions. [2022-11-25 22:33:48,607 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 107 transitions. Word has length 26 [2022-11-25 22:33:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:48,607 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 107 transitions. [2022-11-25 22:33:48,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:33:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2022-11-25 22:33:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 22:33:48,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:48,609 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:48,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,822 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:33:48,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash -722802770, now seen corresponding path program 1 times [2022-11-25 22:33:48,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:33:48,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63842647] [2022-11-25 22:33:48,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:48,823 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 22:33:48,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:33:48,824 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:48,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:33:48,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:48,937 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 22:33:48,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:33:48,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:33:48,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63842647] [2022-11-25 22:33:48,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63842647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:48,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:48,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:48,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925253] [2022-11-25 22:33:48,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:48,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:33:48,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:33:48,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:33:48,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:48,951 INFO L87 Difference]: Start difference. First operand 80 states and 107 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:33:48,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:48,968 INFO L93 Difference]: Finished difference Result 126 states and 168 transitions. [2022-11-25 22:33:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:33:48,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-25 22:33:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:48,970 INFO L225 Difference]: With dead ends: 126 [2022-11-25 22:33:48,970 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 22:33:48,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 22:33:48,971 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 4 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:48,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 180 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:33:48,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 22:33:48,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-25 22:33:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.368421052631579) internal successors, (78), 72 states have internal predecessors, (78), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:33:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2022-11-25 22:33:48,978 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 29 [2022-11-25 22:33:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:48,979 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2022-11-25 22:33:48,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:33:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-11-25 22:33:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 22:33:48,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:48,980 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:48,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-25 22:33:49,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:49,207 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:33:49,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:49,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1598657970, now seen corresponding path program 1 times [2022-11-25 22:33:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:33:49,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434875919] [2022-11-25 22:33:49,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:49,208 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 22:33:49,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:33:49,210 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:49,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:49,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:33:49,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:49,377 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 22:33:49,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:33:49,378 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:33:49,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434875919] [2022-11-25 22:33:49,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434875919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:49,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:49,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456921454] [2022-11-25 22:33:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:49,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:33:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:33:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:33:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:33:49,380 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 22:33:50,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:50,980 INFO L93 Difference]: Finished difference Result 79 states and 104 transitions. [2022-11-25 22:33:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:33:50,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 30 [2022-11-25 22:33:50,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:50,987 INFO L225 Difference]: With dead ends: 79 [2022-11-25 22:33:50,987 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 22:33:50,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:33:50,988 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 3 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:50,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 258 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 22:33:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 22:33:50,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2022-11-25 22:33:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 71 states have internal predecessors, (77), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:33:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 101 transitions. [2022-11-25 22:33:50,995 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 101 transitions. Word has length 30 [2022-11-25 22:33:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:50,995 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 101 transitions. [2022-11-25 22:33:50,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 22:33:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2022-11-25 22:33:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 22:33:50,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:50,997 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:51,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,210 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:33:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1981214649, now seen corresponding path program 1 times [2022-11-25 22:33:51,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:33:51,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823966332] [2022-11-25 22:33:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:51,211 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 22:33:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:33:51,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:51,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:33:51,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:51,387 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 22:33:51,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:33:51,387 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:33:51,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823966332] [2022-11-25 22:33:51,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823966332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:51,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:51,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:51,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551452390] [2022-11-25 22:33:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:51,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:33:51,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:33:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:33:51,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:51,390 INFO L87 Difference]: Start difference. First operand 77 states and 101 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:33:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:51,413 INFO L93 Difference]: Finished difference Result 115 states and 149 transitions. [2022-11-25 22:33:51,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:33:51,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 31 [2022-11-25 22:33:51,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:51,415 INFO L225 Difference]: With dead ends: 115 [2022-11-25 22:33:51,415 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 22:33:51,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 22:33:51,416 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 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 22:33:51,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:33:51,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 22:33:51,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-25 22:33:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 72 states have internal predecessors, (78), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:33:51,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2022-11-25 22:33:51,423 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 31 [2022-11-25 22:33:51,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:51,423 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2022-11-25 22:33:51,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:33:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-11-25 22:33:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 22:33:51,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:51,425 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:51,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:33:51,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1287987120, now seen corresponding path program 1 times [2022-11-25 22:33:51,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:33:51,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152824846] [2022-11-25 22:33:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:51,640 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 22:33:51,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:33:51,641 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:33:51,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:35:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:35:14,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:35:14,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:35:16,075 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 22:35:16,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:35:16,076 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:35:16,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152824846] [2022-11-25 22:35:16,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152824846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:35:16,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:35:16,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:35:16,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958307411] [2022-11-25 22:35:16,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:35:16,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:35:16,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:35:16,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:35:16,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:35:16,077 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 22:35:19,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:35:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:35:21,228 INFO L93 Difference]: Finished difference Result 145 states and 192 transitions. [2022-11-25 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:35:21,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 32 [2022-11-25 22:35:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:35:21,232 INFO L225 Difference]: With dead ends: 145 [2022-11-25 22:35:21,232 INFO L226 Difference]: Without dead ends: 110 [2022-11-25 22:35:21,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:35:21,233 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 42 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:35:21,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 552 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 22:35:21,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-25 22:35:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 83. [2022-11-25 22:35:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.3125) internal successors, (84), 76 states have internal predecessors, (84), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:35:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 108 transitions. [2022-11-25 22:35:21,239 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 108 transitions. Word has length 32 [2022-11-25 22:35:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:35:21,239 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 108 transitions. [2022-11-25 22:35:21,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 22:35:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2022-11-25 22:35:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 22:35:21,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:35:21,241 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:35:21,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:35:21,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:35:21,461 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:35:21,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:35:21,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1272895195, now seen corresponding path program 1 times [2022-11-25 22:35:21,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:35:21,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488192883] [2022-11-25 22:35:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:35:21,462 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 22:35:21,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:35:21,463 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:35:21,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:33,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:36:33,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:35,832 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 22:36:35,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:35,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:35,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488192883] [2022-11-25 22:36:35,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488192883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:35,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:35,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:36:35,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407865117] [2022-11-25 22:36:35,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:35,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:36:35,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:35,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:36:35,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:36:35,834 INFO L87 Difference]: Start difference. First operand 83 states and 108 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 22:36:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:39,261 INFO L93 Difference]: Finished difference Result 110 states and 146 transitions. [2022-11-25 22:36:39,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:36:39,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 33 [2022-11-25 22:36:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:39,264 INFO L225 Difference]: With dead ends: 110 [2022-11-25 22:36:39,264 INFO L226 Difference]: Without dead ends: 109 [2022-11-25 22:36:39,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:36:39,265 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 39 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:39,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 443 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:36:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-25 22:36:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 82. [2022-11-25 22:36:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 64 states have (on average 1.296875) internal successors, (83), 75 states have internal predecessors, (83), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:36:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2022-11-25 22:36:39,271 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 33 [2022-11-25 22:36:39,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:39,271 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2022-11-25 22:36:39,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 22:36:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2022-11-25 22:36:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 22:36:39,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:39,273 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:39,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:39,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:39,493 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:39,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:39,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1403788976, now seen corresponding path program 1 times [2022-11-25 22:36:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971799416] [2022-11-25 22:36:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:39,494 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 22:36:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:39,495 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-25 22:36:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:39,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:39,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:39,627 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 22:36:39,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:39,628 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:39,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971799416] [2022-11-25 22:36:39,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971799416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:39,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:39,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:39,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627929804] [2022-11-25 22:36:39,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:39,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:39,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:39,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:39,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:39,630 INFO L87 Difference]: Start difference. First operand 82 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 22:36:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:39,639 INFO L93 Difference]: Finished difference Result 114 states and 147 transitions. [2022-11-25 22:36:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:39,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 36 [2022-11-25 22:36:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:39,641 INFO L225 Difference]: With dead ends: 114 [2022-11-25 22:36:39,641 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 22:36:39,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:39,642 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 8 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:39,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:36:39,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 22:36:39,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-25 22:36:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 22:36:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2022-11-25 22:36:39,648 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 36 [2022-11-25 22:36:39,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:39,648 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2022-11-25 22:36:39,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 22:36:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2022-11-25 22:36:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 22:36:39,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:39,649 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 22:36:39,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:39,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:39,853 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1834786098, now seen corresponding path program 1 times [2022-11-25 22:36:39,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:39,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555721977] [2022-11-25 22:36:39,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:39,854 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 22:36:39,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:39,856 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-25 22:36:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:39,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:40,008 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 22:36:40,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:40,009 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:40,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555721977] [2022-11-25 22:36:40,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555721977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:40,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:40,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:36:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569977188] [2022-11-25 22:36:40,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:40,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:40,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:40,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:40,011 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:36:41,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:36:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:41,729 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-11-25 22:36:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:41,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 42 [2022-11-25 22:36:41,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:41,737 INFO L225 Difference]: With dead ends: 100 [2022-11-25 22:36:41,737 INFO L226 Difference]: Without dead ends: 98 [2022-11-25 22:36:41,737 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 22:36:41,738 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 16 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:41,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 167 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 22:36:41,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-25 22:36:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2022-11-25 22:36:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 76 states have internal predecessors, (84), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 22:36:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2022-11-25 22:36:41,744 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 42 [2022-11-25 22:36:41,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:41,745 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-25 22:36:41,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:36:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2022-11-25 22:36:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 22:36:41,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:41,746 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 22:36:41,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:41,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:41,963 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:41,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:41,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1834726516, now seen corresponding path program 1 times [2022-11-25 22:36:41,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:41,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919931279] [2022-11-25 22:36:41,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:41,964 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 22:36:41,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:41,965 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:41,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-25 22:36:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:42,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:42,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:42,136 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 22:36:42,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:42,136 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:42,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919931279] [2022-11-25 22:36:42,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919931279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:42,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:42,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:42,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101885804] [2022-11-25 22:36:42,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:42,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:42,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:42,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:42,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:42,138 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:36:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:42,153 INFO L93 Difference]: Finished difference Result 111 states and 138 transitions. [2022-11-25 22:36:42,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:42,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 42 [2022-11-25 22:36:42,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:42,154 INFO L225 Difference]: With dead ends: 111 [2022-11-25 22:36:42,156 INFO L226 Difference]: Without dead ends: 84 [2022-11-25 22:36:42,156 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 22:36:42,159 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:42,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:36:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-25 22:36:42,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-25 22:36:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 75 states have internal predecessors, (83), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 22:36:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2022-11-25 22:36:42,166 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 42 [2022-11-25 22:36:42,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:42,166 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2022-11-25 22:36:42,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:36:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-11-25 22:36:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 22:36:42,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:42,169 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:42,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:42,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:42,377 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:42,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:42,377 INFO L85 PathProgramCache]: Analyzing trace with hash -588680775, now seen corresponding path program 1 times [2022-11-25 22:36:42,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:42,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799514504] [2022-11-25 22:36:42,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:42,378 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 22:36:42,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:42,379 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:42,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-25 22:36:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:42,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:42,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 22:36:42,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:42,545 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:42,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799514504] [2022-11-25 22:36:42,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799514504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:42,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:42,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:42,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426224847] [2022-11-25 22:36:42,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:42,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:42,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:42,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:42,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:42,547 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:36:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:42,557 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2022-11-25 22:36:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:42,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2022-11-25 22:36:42,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:42,558 INFO L225 Difference]: With dead ends: 105 [2022-11-25 22:36:42,558 INFO L226 Difference]: Without dead ends: 77 [2022-11-25 22:36:42,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 22:36:42,559 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:42,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:36:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-25 22:36:42,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-25 22:36:42,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 69 states have internal predecessors, (75), 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 22:36:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 95 transitions. [2022-11-25 22:36:42,571 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 95 transitions. Word has length 46 [2022-11-25 22:36:42,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:42,572 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 95 transitions. [2022-11-25 22:36:42,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:36:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2022-11-25 22:36:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-25 22:36:42,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:42,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:42,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:42,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:42,798 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:42,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:42,798 INFO L85 PathProgramCache]: Analyzing trace with hash -415349824, now seen corresponding path program 1 times [2022-11-25 22:36:42,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:42,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342061693] [2022-11-25 22:36:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:42,799 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 22:36:42,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:42,800 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:42,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-25 22:36:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:42,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:42,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:42,971 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 22:36:42,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:42,972 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:42,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342061693] [2022-11-25 22:36:42,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342061693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:42,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:42,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:42,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483926352] [2022-11-25 22:36:42,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:42,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:42,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:42,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:42,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:42,975 INFO L87 Difference]: Start difference. First operand 77 states and 95 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 22:36:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:42,998 INFO L93 Difference]: Finished difference Result 92 states and 112 transitions. [2022-11-25 22:36:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:42,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 48 [2022-11-25 22:36:42,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:43,000 INFO L225 Difference]: With dead ends: 92 [2022-11-25 22:36:43,000 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 22:36:43,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 22:36:43,001 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:43,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 142 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:36:43,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 22:36:43,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-25 22:36:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 66 states have internal predecessors, (72), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 22:36:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2022-11-25 22:36:43,007 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 48 [2022-11-25 22:36:43,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:43,008 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2022-11-25 22:36:43,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 22:36:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2022-11-25 22:36:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 22:36:43,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:43,011 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:43,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:43,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:43,225 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 981390672, now seen corresponding path program 1 times [2022-11-25 22:36:43,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:43,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808793186] [2022-11-25 22:36:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:43,226 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 22:36:43,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:43,227 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:43,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-25 22:36:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:43,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:43,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:43,454 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 22:36:43,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:43,454 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:43,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808793186] [2022-11-25 22:36:43,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808793186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:43,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:43,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:36:43,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299861954] [2022-11-25 22:36:43,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:43,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:43,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:43,456 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 22:36:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:44,127 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2022-11-25 22:36:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:44,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 53 [2022-11-25 22:36:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:44,132 INFO L225 Difference]: With dead ends: 81 [2022-11-25 22:36:44,132 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 22:36:44,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 22:36:44,133 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:44,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:36:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 22:36:44,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-25 22:36:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 66 states have internal predecessors, (71), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 22:36:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 89 transitions. [2022-11-25 22:36:44,138 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 89 transitions. Word has length 53 [2022-11-25 22:36:44,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:44,138 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 89 transitions. [2022-11-25 22:36:44,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 22:36:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2022-11-25 22:36:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-25 22:36:44,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:44,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:44,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:44,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:44,348 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 22:36:44,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:44,349 INFO L85 PathProgramCache]: Analyzing trace with hash 360124482, now seen corresponding path program 1 times [2022-11-25 22:36:44,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:36:44,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908739941] [2022-11-25 22:36:44,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:44,349 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 22:36:44,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:36:44,350 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:44,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-25 22:36:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:44,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:36:44,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:36:44,530 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 22:36:44,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:36:44,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:36:44,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908739941] [2022-11-25 22:36:44,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908739941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:44,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:44,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:44,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120646542] [2022-11-25 22:36:44,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:44,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:44,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:36:44,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:44,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:44,533 INFO L87 Difference]: Start difference. First operand 75 states and 89 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 22:36:44,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:44,537 INFO L93 Difference]: Finished difference Result 79 states and 93 transitions. [2022-11-25 22:36:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:44,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 54 [2022-11-25 22:36:44,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:44,538 INFO L225 Difference]: With dead ends: 79 [2022-11-25 22:36:44,538 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:36:44,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 22:36:44,539 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:44,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:36:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:36:44,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:36:44,540 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 22:36:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:36:44,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-25 22:36:44,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:44,541 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:36:44,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 22:36:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:36:44,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:36:44,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 22:36:44,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 22:36:44,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 22:36:44,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 22:36:44,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 22:36:44,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 22:36:44,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 22:36:44,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 22:36:44,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 22:36:44,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 22:36:44,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-25 22:36:44,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/mathsat -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 22:36:44,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:36:46,940 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 22:36:46,941 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 22:36:46,941 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 22:36:46,941 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 22:36:46,941 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 22:36:46,941 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 22:36:46,941 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 22:36:46,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1899) no Hoare annotation was computed. [2022-11-25 22:36:46,941 INFO L895 garLoopResultBuilder]: At program point L1918(lines 1918 1926) the Hoare annotation is: (and (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) |ULTIMATE.start_goodG2B1_#t~switch188#1|) [2022-11-25 22:36:46,942 INFO L895 garLoopResultBuilder]: At program point L1852(line 1852) the Hoare annotation is: false [2022-11-25 22:36:46,942 INFO L902 garLoopResultBuilder]: At program point L1976(line 1976) the Hoare annotation is: true [2022-11-25 22:36:46,942 INFO L899 garLoopResultBuilder]: For program point L1976-1(line 1976) no Hoare annotation was computed. [2022-11-25 22:36:46,942 INFO L895 garLoopResultBuilder]: At program point L1910(line 1910) the Hoare annotation is: false [2022-11-25 22:36:46,942 INFO L895 garLoopResultBuilder]: At program point L1877(lines 1877 1895) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch182#1| [2022-11-25 22:36:46,942 INFO L899 garLoopResultBuilder]: For program point L1935(line 1935) no Hoare annotation was computed. [2022-11-25 22:36:46,942 INFO L895 garLoopResultBuilder]: At program point L1902(line 1902) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch185#1| (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-11-25 22:36:46,943 INFO L895 garLoopResultBuilder]: At program point L1836(lines 1836 1854) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch176#1| [2022-11-25 22:36:46,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1931) no Hoare annotation was computed. [2022-11-25 22:36:46,943 INFO L895 garLoopResultBuilder]: At program point L1927(lines 1927 1938) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch189#1| [2022-11-25 22:36:46,943 INFO L899 garLoopResultBuilder]: For program point L1861(line 1861) no Hoare annotation was computed. [2022-11-25 22:36:46,943 INFO L899 garLoopResultBuilder]: For program point L1861-1(line 1861) no Hoare annotation was computed. [2022-11-25 22:36:46,943 INFO L899 garLoopResultBuilder]: For program point L1861-3(lines 1861 1869) no Hoare annotation was computed. [2022-11-25 22:36:46,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1861) no Hoare annotation was computed. [2022-11-25 22:36:46,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:36:46,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 22:36:46,944 INFO L895 garLoopResultBuilder]: At program point L1944(lines 1944 1952) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B2_~data~3#1|) [2022-11-25 22:36:46,944 INFO L895 garLoopResultBuilder]: At program point L1936(line 1936) the Hoare annotation is: false [2022-11-25 22:36:46,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1957) no Hoare annotation was computed. [2022-11-25 22:36:46,945 INFO L899 garLoopResultBuilder]: For program point L1961(line 1961) no Hoare annotation was computed. [2022-11-25 22:36:46,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1863) no Hoare annotation was computed. [2022-11-25 22:36:46,945 INFO L902 garLoopResultBuilder]: At program point L1953(lines 1953 1964) the Hoare annotation is: true [2022-11-25 22:36:46,945 INFO L899 garLoopResultBuilder]: For program point L1920(line 1920) no Hoare annotation was computed. [2022-11-25 22:36:46,945 INFO L902 garLoopResultBuilder]: At program point L1978(line 1978) the Hoare annotation is: true [2022-11-25 22:36:46,945 INFO L899 garLoopResultBuilder]: For program point L1978-1(line 1978) no Hoare annotation was computed. [2022-11-25 22:36:46,945 INFO L899 garLoopResultBuilder]: For program point L1879(line 1879) no Hoare annotation was computed. [2022-11-25 22:36:46,946 INFO L899 garLoopResultBuilder]: For program point L1838(line 1838) no Hoare annotation was computed. [2022-11-25 22:36:46,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1957) no Hoare annotation was computed. [2022-11-25 22:36:46,946 INFO L902 garLoopResultBuilder]: At program point L1962(line 1962) the Hoare annotation is: true [2022-11-25 22:36:46,946 INFO L899 garLoopResultBuilder]: For program point L1929(line 1929) no Hoare annotation was computed. [2022-11-25 22:36:46,946 INFO L895 garLoopResultBuilder]: At program point L1896(lines 1896 1912) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch185#1| [2022-11-25 22:36:46,946 INFO L899 garLoopResultBuilder]: For program point L1863(line 1863) no Hoare annotation was computed. [2022-11-25 22:36:46,947 INFO L899 garLoopResultBuilder]: For program point L1863-1(line 1863) no Hoare annotation was computed. [2022-11-25 22:36:46,947 INFO L895 garLoopResultBuilder]: At program point L1921(line 1921) the Hoare annotation is: false [2022-11-25 22:36:46,947 INFO L895 garLoopResultBuilder]: At program point L1888(line 1888) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch182#1| (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-11-25 22:36:46,947 INFO L895 garLoopResultBuilder]: At program point L1855(lines 1855 1871) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch179#1| [2022-11-25 22:36:46,947 INFO L899 garLoopResultBuilder]: For program point L1888-1(lines 1882 1889) no Hoare annotation was computed. [2022-11-25 22:36:46,948 INFO L902 garLoopResultBuilder]: At program point L1979(lines 1973 1980) the Hoare annotation is: true [2022-11-25 22:36:46,948 INFO L899 garLoopResultBuilder]: For program point L1946(line 1946) no Hoare annotation was computed. [2022-11-25 22:36:46,948 INFO L895 garLoopResultBuilder]: At program point L1847(line 1847) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch176#1| (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-11-25 22:36:46,948 INFO L899 garLoopResultBuilder]: For program point L1847-1(lines 1841 1848) no Hoare annotation was computed. [2022-11-25 22:36:46,948 INFO L895 garLoopResultBuilder]: At program point L1864(line 1864) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch179#1| (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-11-25 22:36:46,949 INFO L899 garLoopResultBuilder]: For program point L1955(line 1955) no Hoare annotation was computed. [2022-11-25 22:36:46,949 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 1939) no Hoare annotation was computed. [2022-11-25 22:36:46,949 INFO L895 garLoopResultBuilder]: At program point L1906(line 1906) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch185#1| [2022-11-25 22:36:46,949 INFO L899 garLoopResultBuilder]: For program point L1873(lines 1873 1913) no Hoare annotation was computed. [2022-11-25 22:36:46,949 INFO L899 garLoopResultBuilder]: For program point L1931(line 1931) no Hoare annotation was computed. [2022-11-25 22:36:46,949 INFO L899 garLoopResultBuilder]: For program point L1898(line 1898) no Hoare annotation was computed. [2022-11-25 22:36:46,949 INFO L899 garLoopResultBuilder]: For program point L1931-1(line 1931) no Hoare annotation was computed. [2022-11-25 22:36:46,950 INFO L899 garLoopResultBuilder]: For program point L1832(lines 1832 1872) no Hoare annotation was computed. [2022-11-25 22:36:46,950 INFO L899 garLoopResultBuilder]: For program point L1923(line 1923) no Hoare annotation was computed. [2022-11-25 22:36:46,950 INFO L899 garLoopResultBuilder]: For program point L1857(line 1857) no Hoare annotation was computed. [2022-11-25 22:36:46,950 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 22:36:46,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1901) no Hoare annotation was computed. [2022-11-25 22:36:46,950 INFO L899 garLoopResultBuilder]: For program point L1882(lines 1882 1889) no Hoare annotation was computed. [2022-11-25 22:36:46,951 INFO L899 garLoopResultBuilder]: For program point L1940(lines 1940 1965) no Hoare annotation was computed. [2022-11-25 22:36:46,951 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 1848) no Hoare annotation was computed. [2022-11-25 22:36:46,951 INFO L895 garLoopResultBuilder]: At program point L1932(line 1932) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch189#1| [2022-11-25 22:36:46,951 INFO L899 garLoopResultBuilder]: For program point L1899(line 1899) no Hoare annotation was computed. [2022-11-25 22:36:46,951 INFO L899 garLoopResultBuilder]: For program point L1899-1(line 1899) no Hoare annotation was computed. [2022-11-25 22:36:46,951 INFO L899 garLoopResultBuilder]: For program point L1899-3(lines 1899 1907) no Hoare annotation was computed. [2022-11-25 22:36:46,951 INFO L899 garLoopResultBuilder]: For program point L1957(line 1957) no Hoare annotation was computed. [2022-11-25 22:36:46,952 INFO L899 garLoopResultBuilder]: For program point L1957-1(line 1957) no Hoare annotation was computed. [2022-11-25 22:36:46,952 INFO L895 garLoopResultBuilder]: At program point L1858(line 1858) the Hoare annotation is: false [2022-11-25 22:36:46,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:36:46,952 INFO L899 garLoopResultBuilder]: For program point L1949(line 1949) no Hoare annotation was computed. [2022-11-25 22:36:46,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1901) no Hoare annotation was computed. [2022-11-25 22:36:46,952 INFO L899 garLoopResultBuilder]: For program point L1966(lines 1966 1972) no Hoare annotation was computed. [2022-11-25 22:36:46,952 INFO L902 garLoopResultBuilder]: At program point L1958(line 1958) the Hoare annotation is: true [2022-11-25 22:36:46,953 INFO L899 garLoopResultBuilder]: For program point L1892(line 1892) no Hoare annotation was computed. [2022-11-25 22:36:46,953 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1863) no Hoare annotation was computed. [2022-11-25 22:36:46,953 INFO L895 garLoopResultBuilder]: At program point L1950(line 1950) the Hoare annotation is: false [2022-11-25 22:36:46,953 INFO L899 garLoopResultBuilder]: For program point L1851(line 1851) no Hoare annotation was computed. [2022-11-25 22:36:46,953 INFO L899 garLoopResultBuilder]: For program point L1909(line 1909) no Hoare annotation was computed. [2022-11-25 22:36:46,953 INFO L899 garLoopResultBuilder]: For program point L1901(line 1901) no Hoare annotation was computed. [2022-11-25 22:36:46,954 INFO L895 garLoopResultBuilder]: At program point L1868(line 1868) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch179#1| [2022-11-25 22:36:46,954 INFO L899 garLoopResultBuilder]: For program point L1901-1(line 1901) no Hoare annotation was computed. [2022-11-25 22:36:46,954 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1931) no Hoare annotation was computed. [2022-11-25 22:36:46,954 INFO L895 garLoopResultBuilder]: At program point L1893(line 1893) the Hoare annotation is: false [2022-11-25 22:36:46,954 INFO L899 garLoopResultBuilder]: For program point L1860(line 1860) no Hoare annotation was computed. [2022-11-25 22:36:46,957 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:46,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:36:46,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:36:46 BoogieIcfgContainer [2022-11-25 22:36:46,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:36:46,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:36:46,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:36:46,975 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:36:46,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:05" (3/4) ... [2022-11-25 22:36:46,978 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:36:46,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 22:36:46,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 22:36:47,000 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-25 22:36:47,000 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 22:36:47,000 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 22:36:47,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 22:36:47,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:36:47,066 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:36:47,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:36:47,067 INFO L158 Benchmark]: Toolchain (without parser) took 351845.92ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.3MB in the beginning and 45.5MB in the end (delta: 3.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,067 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:36:47,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2524.53ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 43.9MB in the end (delta: 5.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.61ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 39.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,070 INFO L158 Benchmark]: Boogie Preprocessor took 39.74ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 37.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,070 INFO L158 Benchmark]: RCFGBuilder took 7300.71ms. Allocated memory is still 92.3MB. Free memory was 37.1MB in the beginning and 50.8MB in the end (delta: -13.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,070 INFO L158 Benchmark]: TraceAbstraction took 341802.62ms. Allocated memory is still 92.3MB. Free memory was 50.1MB in the beginning and 49.8MB in the end (delta: 304.4kB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,071 INFO L158 Benchmark]: Witness Printer took 91.65ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 45.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:36:47,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2524.53ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 43.9MB in the end (delta: 5.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.61ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 39.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.74ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 37.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7300.71ms. Allocated memory is still 92.3MB. Free memory was 37.1MB in the beginning and 50.8MB in the end (delta: -13.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 341802.62ms. Allocated memory is still 92.3MB. Free memory was 50.1MB in the beginning and 49.8MB in the end (delta: 304.4kB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Witness Printer took 91.65ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 45.5MB in the end (delta: 4.2MB). 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: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1899]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1957]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1957]: 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, 89 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 341.7s, OverallIterations: 19, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 15.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 5104 SdHoareTripleChecker+Invalid, 15.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3158 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 361 IncrementalHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 1946 mSDtfsCounter, 361 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 606 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 166 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 126 PreInvPairs, 146 NumberOfFragments, 183 HoareAnnotationTreeSize, 126 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 300.0s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 590 ConstructedInterpolants, 10 QuantifiedInterpolants, 1162 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2530 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 112/112 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: 1855]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1877]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1944]: Loop Invariant Derived loop invariant: 2bv32 == data - InvariantResult [Line: 1927]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1836]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1918]: Loop Invariant Derived loop invariant: 2bv32 == data && aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = 2; break; }-aux - InvariantResult [Line: 1896]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-25 22:36:47,333 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-25 22:36:47,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe0c47-ea41-4fbe-b95c-91db9dba1ebd/bin/utaipan-ByfvJB40ur/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