./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea25fd1ce3f7282bb50c50d48315e8d4f38afdb0482457162377ca15ca4db0b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:05,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:05,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:42:05,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:05,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:05,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:05,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:05,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:05,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:05,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:05,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:05,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:05,484 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:05,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:05,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:05,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:05,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:05,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:05,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:05,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:05,489 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:42:05,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:05,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:05,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:05,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:05,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:05,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:05,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:05,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:05,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:05,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:05,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:05,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:05,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:05,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:05,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:05,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:05,500 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:05,500 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea25fd1ce3f7282bb50c50d48315e8d4f38afdb0482457162377ca15ca4db0b4 [2023-11-19 07:42:05,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:05,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:05,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:05,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:05,853 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:05,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i [2023-11-19 07:42:09,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:09,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:09,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_08_good.i [2023-11-19 07:42:09,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/data/f6e786298/79362fafe0e74592ab9955db3eb516d5/FLAGce54e9d99 [2023-11-19 07:42:09,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/data/f6e786298/79362fafe0e74592ab9955db3eb516d5 [2023-11-19 07:42:09,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:09,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:09,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:09,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:09,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:10,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d28a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:10, skipping insertion in model container [2023-11-19 07:42:10,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:10,581 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:42:11,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:11,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:11,356 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:42:11,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:11,634 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:11,634 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:11,635 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:11,635 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:11,637 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:11,646 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:11,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11 WrapperNode [2023-11-19 07:42:11,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:11,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:11,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:11,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:11,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,782 INFO L138 Inliner]: procedures = 505, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-19 07:42:11,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:11,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:11,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:11,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:11,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:11,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:11,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:11,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:11,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (1/1) ... [2023-11-19 07:42:11,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:11,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:11,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:11,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:42:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:42:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:42:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:42:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-19 07:42:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-19 07:42:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-19 07:42:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-19 07:42:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:42:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:12,205 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:12,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:12,519 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:12,528 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:12,528 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:42:12,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:12 BoogieIcfgContainer [2023-11-19 07:42:12,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:12,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:12,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:12,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:12,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:09" (1/3) ... [2023-11-19 07:42:12,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c709927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:12, skipping insertion in model container [2023-11-19 07:42:12,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:11" (2/3) ... [2023-11-19 07:42:12,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c709927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:12, skipping insertion in model container [2023-11-19 07:42:12,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:12" (3/3) ... [2023-11-19 07:42:12,554 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_08_good.i [2023-11-19 07:42:12,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:12,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:42:12,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:12,708 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c20f356, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:12,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:42:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:42:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:42:12,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:12,768 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] [2023-11-19 07:42:12,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:12,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1192752490, now seen corresponding path program 1 times [2023-11-19 07:42:12,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:12,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968058189] [2023-11-19 07:42:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:12,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:13,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:13,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968058189] [2023-11-19 07:42:13,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968058189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:13,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:13,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:13,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730636255] [2023-11-19 07:42:13,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:13,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:13,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:13,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:13,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:13,336 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:42:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:13,438 INFO L93 Difference]: Finished difference Result 155 states and 199 transitions. [2023-11-19 07:42:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:13,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2023-11-19 07:42:13,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:13,454 INFO L225 Difference]: With dead ends: 155 [2023-11-19 07:42:13,454 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 07:42:13,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:13,467 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:13,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 207 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 07:42:13,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2023-11-19 07:42:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 58 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:42:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2023-11-19 07:42:13,548 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 22 [2023-11-19 07:42:13,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:13,550 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2023-11-19 07:42:13,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:42:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-19 07:42:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:42:13,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:13,554 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] [2023-11-19 07:42:13,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:13,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:13,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:13,563 INFO L85 PathProgramCache]: Analyzing trace with hash -512694120, now seen corresponding path program 1 times [2023-11-19 07:42:13,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:13,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483069619] [2023-11-19 07:42:13,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:13,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:13,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483069619] [2023-11-19 07:42:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483069619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:13,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:13,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:13,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38816824] [2023-11-19 07:42:13,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:13,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:13,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:13,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:13,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:13,791 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:42:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:13,818 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2023-11-19 07:42:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:13,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2023-11-19 07:42:13,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:13,821 INFO L225 Difference]: With dead ends: 131 [2023-11-19 07:42:13,821 INFO L226 Difference]: Without dead ends: 66 [2023-11-19 07:42:13,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:13,824 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 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 [2023-11-19 07:42:13,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:13,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-19 07:42:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-19 07:42:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:42:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2023-11-19 07:42:13,838 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 22 [2023-11-19 07:42:13,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:13,839 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2023-11-19 07:42:13,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:42:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-19 07:42:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:42:13,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:13,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:13,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:13,843 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:13,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1523660820, now seen corresponding path program 1 times [2023-11-19 07:42:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:13,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571177235] [2023-11-19 07:42:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:13,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:42:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:42:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:42:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:42:14,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571177235] [2023-11-19 07:42:14,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571177235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:14,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:14,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:14,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994153652] [2023-11-19 07:42:14,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:14,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:14,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:14,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:14,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:14,101 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:14,145 INFO L93 Difference]: Finished difference Result 119 states and 149 transitions. [2023-11-19 07:42:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:14,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2023-11-19 07:42:14,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:14,159 INFO L225 Difference]: With dead ends: 119 [2023-11-19 07:42:14,159 INFO L226 Difference]: Without dead ends: 65 [2023-11-19 07:42:14,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:14,162 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 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 [2023-11-19 07:42:14,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-19 07:42:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-19 07:42:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 48 states have internal predecessors, (53), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 07:42:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2023-11-19 07:42:14,185 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 40 [2023-11-19 07:42:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:14,185 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2023-11-19 07:42:14,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2023-11-19 07:42:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:42:14,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:14,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:14,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:42:14,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:14,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:14,190 INFO L85 PathProgramCache]: Analyzing trace with hash 792919792, now seen corresponding path program 1 times [2023-11-19 07:42:14,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:14,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498235890] [2023-11-19 07:42:14,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:14,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:42:14,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:14,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498235890] [2023-11-19 07:42:14,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498235890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:14,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:14,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:14,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715329507] [2023-11-19 07:42:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:14,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:14,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:14,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:14,350 INFO L87 Difference]: Start difference. First operand 65 states and 81 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:14,395 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2023-11-19 07:42:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:14,396 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-11-19 07:42:14,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:14,398 INFO L225 Difference]: With dead ends: 114 [2023-11-19 07:42:14,398 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 07:42:14,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:14,403 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:14,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 151 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:14,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 07:42:14,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2023-11-19 07:42:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 51 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:42:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-19 07:42:14,426 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 41 [2023-11-19 07:42:14,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:14,427 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-19 07:42:14,427 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-19 07:42:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:42:14,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:14,429 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:14,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:42:14,430 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:14,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:14,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1472978162, now seen corresponding path program 1 times [2023-11-19 07:42:14,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:14,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144883836] [2023-11-19 07:42:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:14,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:14,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144883836] [2023-11-19 07:42:14,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144883836] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:14,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333138364] [2023-11-19 07:42:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:14,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:42:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:14,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:42:14,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:14,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333138364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:14,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:14,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:14,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440769672] [2023-11-19 07:42:14,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:14,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:14,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:14,833 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:14,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:14,855 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2023-11-19 07:42:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:14,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-11-19 07:42:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:14,859 INFO L225 Difference]: With dead ends: 69 [2023-11-19 07:42:14,859 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 07:42:14,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:14,862 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:14,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 137 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:14,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 07:42:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-19 07:42:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 50 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:42:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2023-11-19 07:42:14,879 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 41 [2023-11-19 07:42:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:14,881 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2023-11-19 07:42:14,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-19 07:42:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:42:14,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:14,886 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:14,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:15,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:15,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:15,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:15,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1582317138, now seen corresponding path program 1 times [2023-11-19 07:42:15,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:15,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281136009] [2023-11-19 07:42:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:15,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:15,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:15,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281136009] [2023-11-19 07:42:15,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281136009] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:15,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156267013] [2023-11-19 07:42:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:15,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:15,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:15,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:15,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:42:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:15,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:42:15,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:15,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156267013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:15,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:15,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:15,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099711438] [2023-11-19 07:42:15,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:15,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:15,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:15,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:15,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:15,428 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:15,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:15,449 INFO L93 Difference]: Finished difference Result 108 states and 132 transitions. [2023-11-19 07:42:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:15,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2023-11-19 07:42:15,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:15,452 INFO L225 Difference]: With dead ends: 108 [2023-11-19 07:42:15,453 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 07:42:15,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:15,455 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:15,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 145 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:15,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 07:42:15,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2023-11-19 07:42:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:42:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2023-11-19 07:42:15,467 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 42 [2023-11-19 07:42:15,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:15,468 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2023-11-19 07:42:15,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:42:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-19 07:42:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 07:42:15,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:15,472 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:15,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:15,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:15,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:15,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:15,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2019893220, now seen corresponding path program 1 times [2023-11-19 07:42:15,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:15,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28373408] [2023-11-19 07:42:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:42:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:42:15,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:15,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28373408] [2023-11-19 07:42:15,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28373408] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:15,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541655221] [2023-11-19 07:42:15,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:15,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:15,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:15,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:15,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:42:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:15,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:16,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 07:42:16,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:16,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541655221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:16,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:16,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:16,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964148029] [2023-11-19 07:42:16,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:16,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:16,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:16,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:16,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:16,035 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:42:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:16,061 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2023-11-19 07:42:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:16,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-11-19 07:42:16,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:16,066 INFO L225 Difference]: With dead ends: 76 [2023-11-19 07:42:16,066 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:42:16,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:16,069 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 5 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:16,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 148 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:16,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:42:16,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2023-11-19 07:42:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 51 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:42:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2023-11-19 07:42:16,095 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 53 [2023-11-19 07:42:16,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:16,097 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2023-11-19 07:42:16,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:42:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2023-11-19 07:42:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 07:42:16,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:16,106 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:16,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:16,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:16,338 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:16,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:16,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1807819496, now seen corresponding path program 1 times [2023-11-19 07:42:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:16,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351494845] [2023-11-19 07:42:16,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:16,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:42:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:42:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351494845] [2023-11-19 07:42:16,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351494845] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563915365] [2023-11-19 07:42:16,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:16,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:16,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:16,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:16,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:42:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:16,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 07:42:16,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563915365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:16,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189923467] [2023-11-19 07:42:16,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:16,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:16,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:16,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:16,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:16,741 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:42:16,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:16,771 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2023-11-19 07:42:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:16,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2023-11-19 07:42:16,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:16,776 INFO L225 Difference]: With dead ends: 71 [2023-11-19 07:42:16,777 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 07:42:16,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:16,781 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 137 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 [2023-11-19 07:42:16,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 137 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 07:42:16,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-19 07:42:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 50 states have internal predecessors, (57), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:42:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2023-11-19 07:42:16,810 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 54 [2023-11-19 07:42:16,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:16,811 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2023-11-19 07:42:16,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:42:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-19 07:42:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 07:42:16,817 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:16,817 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:16,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:17,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 07:42:17,018 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:17,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash -193621162, now seen corresponding path program 1 times [2023-11-19 07:42:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:17,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183274827] [2023-11-19 07:42:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:17,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:42:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:42:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 07:42:17,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:17,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183274827] [2023-11-19 07:42:17,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183274827] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:17,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221887448] [2023-11-19 07:42:17,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:17,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:17,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:17,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:42:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:17,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 07:42:17,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:17,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221887448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:17,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:17,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:17,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866364166] [2023-11-19 07:42:17,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:17,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:17,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:17,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:17,336 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:42:17,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:17,349 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2023-11-19 07:42:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:17,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 58 [2023-11-19 07:42:17,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:17,351 INFO L225 Difference]: With dead ends: 70 [2023-11-19 07:42:17,351 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 07:42:17,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:17,353 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 4 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 137 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 [2023-11-19 07:42:17,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 137 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 07:42:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2023-11-19 07:42:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 47 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:42:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2023-11-19 07:42:17,361 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 58 [2023-11-19 07:42:17,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:17,362 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2023-11-19 07:42:17,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:42:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-19 07:42:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 07:42:17,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:17,364 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:17,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:17,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-19 07:42:17,588 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:17,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:17,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1767587623, now seen corresponding path program 1 times [2023-11-19 07:42:17,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:17,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871436895] [2023-11-19 07:42:17,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:42:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 07:42:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:42:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:42:17,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:17,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871436895] [2023-11-19 07:42:17,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871436895] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:17,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103185289] [2023-11-19 07:42:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:17,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:17,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:17,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:17,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:42:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:17,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:42:17,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:17,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103185289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:17,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:17,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:17,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220169232] [2023-11-19 07:42:17,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:17,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:17,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:17,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:17,881 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:42:17,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:17,901 INFO L93 Difference]: Finished difference Result 71 states and 89 transitions. [2023-11-19 07:42:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:17,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2023-11-19 07:42:17,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:17,904 INFO L225 Difference]: With dead ends: 71 [2023-11-19 07:42:17,904 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 07:42:17,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:17,905 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:17,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 147 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:17,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 07:42:17,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2023-11-19 07:42:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 50 states have internal predecessors, (55), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:42:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-19 07:42:17,915 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 66 [2023-11-19 07:42:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:17,915 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-19 07:42:17,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:42:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-19 07:42:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 07:42:17,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:17,918 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:17,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:18,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:42:18,142 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:18,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:18,142 INFO L85 PathProgramCache]: Analyzing trace with hash 958240997, now seen corresponding path program 1 times [2023-11-19 07:42:18,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:18,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264743899] [2023-11-19 07:42:18,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:18,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:42:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 07:42:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:42:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:42:18,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:18,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264743899] [2023-11-19 07:42:18,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264743899] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:18,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233273989] [2023-11-19 07:42:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:18,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:18,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:18,301 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:18,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:42:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:18,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:42:18,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:18,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233273989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:18,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:18,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:18,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138240528] [2023-11-19 07:42:18,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:18,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:18,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:18,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:18,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:18,452 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:42:18,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:18,463 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2023-11-19 07:42:18,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:18,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2023-11-19 07:42:18,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:18,465 INFO L225 Difference]: With dead ends: 69 [2023-11-19 07:42:18,466 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 07:42:18,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:18,467 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:18,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 07:42:18,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2023-11-19 07:42:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:42:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2023-11-19 07:42:18,476 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 66 [2023-11-19 07:42:18,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:18,477 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2023-11-19 07:42:18,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:42:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-19 07:42:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 07:42:18,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:18,479 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:18,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:18,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:42:18,705 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:18,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:18,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1039358388, now seen corresponding path program 1 times [2023-11-19 07:42:18,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:18,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117132194] [2023-11-19 07:42:18,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:18,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:42:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:42:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:42:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:42:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:42:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:42:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:42:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 07:42:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:42:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:42:18,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117132194] [2023-11-19 07:42:18,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117132194] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199018747] [2023-11-19 07:42:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:18,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:18,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:18,830 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:18,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:42:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:18,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:18,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:42:18,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:18,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199018747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:18,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:18,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:42:18,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041488697] [2023-11-19 07:42:18,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:18,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:18,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:18,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:18,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:18,964 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:42:18,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:18,972 INFO L93 Difference]: Finished difference Result 64 states and 81 transitions. [2023-11-19 07:42:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:18,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2023-11-19 07:42:18,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:18,973 INFO L225 Difference]: With dead ends: 64 [2023-11-19 07:42:18,973 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:42:18,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:18,976 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:18,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 140 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:18,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:42:18,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:42:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:42:18,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2023-11-19 07:42:18,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:18,978 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:42:18,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:42:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:42:18,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:42:18,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:42:18,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:42:18,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:42:18,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:42:18,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:42:18,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:42:18,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:42:18,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:42:19,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:19,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:19,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:42:19,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:42:19,273 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:42:19,273 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:42:19,273 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:42:19,273 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:42:19,273 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:42:19,273 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2023-11-19 07:42:19,274 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:42:19,274 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:42:19,275 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:42:19,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-19 07:42:19,275 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1645 1652) no Hoare annotation was computed. [2023-11-19 07:42:19,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 07:42:19,276 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2023-11-19 07:42:19,276 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2023-11-19 07:42:19,276 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-19 07:42:19,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2023-11-19 07:42:19,277 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2023-11-19 07:42:19,278 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2023-11-19 07:42:19,278 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2023-11-19 07:42:19,278 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1601) no Hoare annotation was computed. [2023-11-19 07:42:19,278 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2023-11-19 07:42:19,278 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-19 07:42:19,279 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: false [2023-11-19 07:42:19,279 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2023-11-19 07:42:19,279 INFO L899 garLoopResultBuilder]: For program point L1573-1(line 1573) no Hoare annotation was computed. [2023-11-19 07:42:19,280 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2023-11-19 07:42:19,280 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-19 07:42:19,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2023-11-19 07:42:19,281 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-19 07:42:19,281 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-19 07:42:19,281 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-19 07:42:19,281 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:42:19,281 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2023-11-19 07:42:19,282 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2023-11-19 07:42:19,282 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-19 07:42:19,282 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-19 07:42:19,283 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-19 07:42:19,283 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-19 07:42:19,283 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2023-11-19 07:42:19,283 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-19 07:42:19,283 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-19 07:42:19,284 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-19 07:42:19,284 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-19 07:42:19,284 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:42:19,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2023-11-19 07:42:19,284 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-19 07:42:19,285 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2023-11-19 07:42:19,285 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-19 07:42:19,285 INFO L902 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: true [2023-11-19 07:42:19,285 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-19 07:42:19,285 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1629) no Hoare annotation was computed. [2023-11-19 07:42:19,285 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2023-11-19 07:42:19,286 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2023-11-19 07:42:19,286 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-19 07:42:19,287 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-19 07:42:19,287 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2023-11-19 07:42:19,287 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-19 07:42:19,287 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2023-11-19 07:42:19,287 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2023-11-19 07:42:19,287 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1588) no Hoare annotation was computed. [2023-11-19 07:42:19,288 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (or (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (< 2147483646 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2023-11-19 07:42:19,288 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-19 07:42:19,288 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1556 1580) no Hoare annotation was computed. [2023-11-19 07:42:19,288 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2023-11-19 07:42:19,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:42:19,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2023-11-19 07:42:19,289 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-19 07:42:19,289 INFO L899 garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed. [2023-11-19 07:42:19,289 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2023-11-19 07:42:19,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-19 07:42:19,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 07:42:19,290 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2023-11-19 07:42:19,290 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2023-11-19 07:42:19,290 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2023-11-19 07:42:19,294 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:19,297 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:42:19,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:42:19 BoogieIcfgContainer [2023-11-19 07:42:19,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:42:19,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:42:19,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:42:19,307 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:42:19,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:12" (3/4) ... [2023-11-19 07:42:19,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:42:19,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:42:19,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-19 07:42:19,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:42:19,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-19 07:42:19,326 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:42:19,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 07:42:19,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:42:19,328 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:42:19,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:42:19,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:42:19,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:42:19,473 INFO L158 Benchmark]: Toolchain (without parser) took 9487.65ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 89.9MB in the beginning and 106.2MB in the end (delta: -16.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:19,473 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:19,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1657.57ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 89.6MB in the beginning and 115.7MB in the end (delta: -26.1MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-11-19 07:42:19,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.50ms. Allocated memory is still 195.0MB. Free memory was 115.7MB in the beginning and 112.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:19,475 INFO L158 Benchmark]: Boogie Preprocessor took 42.98ms. Allocated memory is still 195.0MB. Free memory was 112.6MB in the beginning and 111.6MB in the end (delta: 975.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:19,476 INFO L158 Benchmark]: RCFGBuilder took 711.15ms. Allocated memory is still 195.0MB. Free memory was 111.6MB in the beginning and 95.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:42:19,476 INFO L158 Benchmark]: TraceAbstraction took 6761.78ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 94.8MB in the beginning and 112.5MB in the end (delta: -17.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-19 07:42:19,477 INFO L158 Benchmark]: Witness Printer took 165.69ms. Allocated memory is still 234.9MB. Free memory was 112.5MB in the beginning and 106.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:42:19,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1657.57ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 89.6MB in the beginning and 115.7MB in the end (delta: -26.1MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.50ms. Allocated memory is still 195.0MB. Free memory was 115.7MB in the beginning and 112.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.98ms. Allocated memory is still 195.0MB. Free memory was 112.6MB in the beginning and 111.6MB in the end (delta: 975.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 711.15ms. Allocated memory is still 195.0MB. Free memory was 111.6MB in the beginning and 95.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6761.78ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 94.8MB in the beginning and 112.5MB in the end (delta: -17.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 165.69ms. Allocated memory is still 234.9MB. Free memory was 112.5MB in the beginning and 106.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 1962 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1009 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 953 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 12 MinimizatonAttempts, 17 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 87 PreInvPairs, 102 NumberOfFragments, 74 HoareAnnotationTreeSize, 87 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 999 ConstructedInterpolants, 0 QuantifiedInterpolants, 1195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1445 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 528/556 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:42:19,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b568de7a-c2fe-4d41-8dd6-9d43b9f202c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE