./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a49e4bdbe89baf77a9ea03fdadf54fb13c2e8626e425d4f4f58f31d8fb15bc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:30,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:30,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:47:30,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:30,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:30,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:30,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:30,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:30,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:47:30,790 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:47:30,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:30,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:30,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:30,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:30,795 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:30,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:30,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:30,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:30,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:30,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:30,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:30,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:30,799 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:47:30,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:47:30,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:30,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:30,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:30,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:30,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:47:30,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:30,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:30,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:30,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:30,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:30,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:30,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:30,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:30,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:30,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:30,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:30,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:30,809 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_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a49e4bdbe89baf77a9ea03fdadf54fb13c2e8626e425d4f4f58f31d8fb15bc7 [2023-11-26 11:47:31,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:31,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:31,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:31,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:31,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:31,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-11-26 11:47:34,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:34,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:34,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-11-26 11:47:34,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/data/ad9f4fb8d/afdb3d13968a4597abfd4bd91eb9f3b1/FLAG50f4ced8e [2023-11-26 11:47:34,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/data/ad9f4fb8d/afdb3d13968a4597abfd4bd91eb9f3b1 [2023-11-26 11:47:34,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:34,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:34,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:34,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:34,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:34,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7ce256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34, skipping insertion in model container [2023-11-26 11:47:34,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:36,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:36,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:36,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:36,663 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:36,663 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:36,664 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:36,665 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:36,673 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:36,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36 WrapperNode [2023-11-26 11:47:36,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:36,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:36,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:36,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:36,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,765 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2023-11-26 11:47:36,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:36,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:36,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:36,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:36,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,800 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:47:36,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:36,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:36,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:36,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:36,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (1/1) ... [2023-11-26 11:47:36,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:36,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:36,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:36,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 11:47:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 11:47:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:47:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:47:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:47:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:47:37,160 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:37,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:37,452 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:37,481 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:37,481 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:47:37,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:37 BoogieIcfgContainer [2023-11-26 11:47:37,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:37,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:37,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:37,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:37,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:34" (1/3) ... [2023-11-26 11:47:37,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505f0122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:37, skipping insertion in model container [2023-11-26 11:47:37,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:36" (2/3) ... [2023-11-26 11:47:37,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505f0122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:37, skipping insertion in model container [2023-11-26 11:47:37,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:37" (3/3) ... [2023-11-26 11:47:37,492 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-11-26 11:47:37,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:37,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-26 11:47:37,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:37,581 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;@327e2252, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:37,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-26 11:47:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 45 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 11:47:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 11:47:37,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:37,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:37,596 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)] === [2023-11-26 11:47:37,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:37,603 INFO L85 PathProgramCache]: Analyzing trace with hash 592525310, now seen corresponding path program 1 times [2023-11-26 11:47:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:37,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730733752] [2023-11-26 11:47:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:37,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:37,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730733752] [2023-11-26 11:47:37,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730733752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:37,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:37,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:37,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634713003] [2023-11-26 11:47:37,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:37,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:37,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:38,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:38,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,010 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 45 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:47:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:38,071 INFO L93 Difference]: Finished difference Result 111 states and 144 transitions. [2023-11-26 11:47:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:38,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-26 11:47:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:38,082 INFO L225 Difference]: With dead ends: 111 [2023-11-26 11:47:38,082 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 11:47:38,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,089 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 4 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:38,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 11:47:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2023-11-26 11:47:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.5) internal successors, (54), 43 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 11:47:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-26 11:47:38,136 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 11 [2023-11-26 11:47:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:38,137 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-26 11:47:38,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:47:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-26 11:47:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 11:47:38,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:38,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:38,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:47:38,140 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)] === [2023-11-26 11:47:38,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:38,141 INFO L85 PathProgramCache]: Analyzing trace with hash 592584892, now seen corresponding path program 1 times [2023-11-26 11:47:38,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972341026] [2023-11-26 11:47:38,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:38,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:38,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:38,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972341026] [2023-11-26 11:47:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972341026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:38,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:38,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:38,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871824340] [2023-11-26 11:47:38,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:38,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:38,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:38,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,282 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:47:38,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:38,341 INFO L93 Difference]: Finished difference Result 94 states and 120 transitions. [2023-11-26 11:47:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:38,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-26 11:47:38,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:38,344 INFO L225 Difference]: With dead ends: 94 [2023-11-26 11:47:38,345 INFO L226 Difference]: Without dead ends: 46 [2023-11-26 11:47:38,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,348 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:38,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 46 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-26 11:47:38,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-26 11:47:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 36 states have internal predecessors, (40), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 11:47:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2023-11-26 11:47:38,369 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 11 [2023-11-26 11:47:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:38,369 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2023-11-26 11:47:38,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:47:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-26 11:47:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 11:47:38,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:38,372 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:38,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:47:38,373 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)] === [2023-11-26 11:47:38,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:38,375 INFO L85 PathProgramCache]: Analyzing trace with hash -859746870, now seen corresponding path program 1 times [2023-11-26 11:47:38,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:38,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78994769] [2023-11-26 11:47:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:38,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:47:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:47:38,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:38,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78994769] [2023-11-26 11:47:38,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78994769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:38,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:38,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:38,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903570618] [2023-11-26 11:47:38,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:38,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:38,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:38,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:38,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,532 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:38,548 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2023-11-26 11:47:38,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:38,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2023-11-26 11:47:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:38,549 INFO L225 Difference]: With dead ends: 80 [2023-11-26 11:47:38,550 INFO L226 Difference]: Without dead ends: 42 [2023-11-26 11:47:38,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,552 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 42 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 [2023-11-26 11:47:38,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:38,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-26 11:47:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-26 11:47:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 34 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 11:47:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2023-11-26 11:47:38,560 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 20 [2023-11-26 11:47:38,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:38,561 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2023-11-26 11:47:38,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:47:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-11-26 11:47:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 11:47:38,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:38,562 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:38,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:47:38,563 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)] === [2023-11-26 11:47:38,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash 155214931, now seen corresponding path program 1 times [2023-11-26 11:47:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:38,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107907951] [2023-11-26 11:47:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:38,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:47:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:47:38,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:38,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107907951] [2023-11-26 11:47:38,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107907951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:38,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:38,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:38,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069246446] [2023-11-26 11:47:38,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:38,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:38,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:38,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:38,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,630 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:47:38,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:38,655 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2023-11-26 11:47:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:38,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-26 11:47:38,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:38,657 INFO L225 Difference]: With dead ends: 60 [2023-11-26 11:47:38,657 INFO L226 Difference]: Without dead ends: 36 [2023-11-26 11:47:38,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,659 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 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 [2023-11-26 11:47:38,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:38,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-26 11:47:38,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-26 11:47:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:47:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2023-11-26 11:47:38,672 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2023-11-26 11:47:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:38,677 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2023-11-26 11:47:38,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:47:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2023-11-26 11:47:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 11:47:38,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:38,678 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:38,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:47:38,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 11:47:38,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash 646908377, now seen corresponding path program 1 times [2023-11-26 11:47:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:38,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768937167] [2023-11-26 11:47:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:47:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:47:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:38,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:38,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768937167] [2023-11-26 11:47:38,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768937167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:38,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:38,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:38,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417012535] [2023-11-26 11:47:38,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:38,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:38,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:38,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:38,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,810 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:47:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:38,837 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2023-11-26 11:47:38,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:38,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2023-11-26 11:47:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:38,840 INFO L225 Difference]: With dead ends: 36 [2023-11-26 11:47:38,841 INFO L226 Difference]: Without dead ends: 35 [2023-11-26 11:47:38,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,846 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:38,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 60 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-26 11:47:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-26 11:47:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:47:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2023-11-26 11:47:38,861 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 30 [2023-11-26 11:47:38,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:38,862 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2023-11-26 11:47:38,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:47:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-11-26 11:47:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 11:47:38,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:38,864 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:38,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:47:38,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 11:47:38,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:38,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1420676679, now seen corresponding path program 1 times [2023-11-26 11:47:38,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:38,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310865705] [2023-11-26 11:47:38,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:38,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:47:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:47:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:38,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:38,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310865705] [2023-11-26 11:47:38,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310865705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:38,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:38,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:38,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386208209] [2023-11-26 11:47:38,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:38,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:38,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:38,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:38,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:38,988 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:47:39,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:39,009 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2023-11-26 11:47:39,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:39,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-11-26 11:47:39,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:39,013 INFO L225 Difference]: With dead ends: 35 [2023-11-26 11:47:39,013 INFO L226 Difference]: Without dead ends: 34 [2023-11-26 11:47:39,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:39,017 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 58 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 [2023-11-26 11:47:39,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 58 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-26 11:47:39,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-26 11:47:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 27 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:47:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2023-11-26 11:47:39,036 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 31 [2023-11-26 11:47:39,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:39,036 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2023-11-26 11:47:39,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:47:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2023-11-26 11:47:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-26 11:47:39,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:39,038 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:39,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:47:39,038 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 11:47:39,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:39,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1776250326, now seen corresponding path program 1 times [2023-11-26 11:47:39,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:39,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772818192] [2023-11-26 11:47:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:39,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:47:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:47:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:47:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:39,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:39,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772818192] [2023-11-26 11:47:39,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772818192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:39,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:39,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:39,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900193407] [2023-11-26 11:47:39,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:39,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:39,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:39,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:39,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:39,106 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 11:47:39,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:39,120 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2023-11-26 11:47:39,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:39,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2023-11-26 11:47:39,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:39,123 INFO L225 Difference]: With dead ends: 34 [2023-11-26 11:47:39,123 INFO L226 Difference]: Without dead ends: 33 [2023-11-26 11:47:39,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:39,124 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 59 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 [2023-11-26 11:47:39,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 59 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-26 11:47:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-26 11:47:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:47:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2023-11-26 11:47:39,129 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 39 [2023-11-26 11:47:39,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:39,130 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2023-11-26 11:47:39,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 11:47:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-11-26 11:47:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 11:47:39,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:39,132 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:39,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:47:39,132 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 11:47:39,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:39,132 INFO L85 PathProgramCache]: Analyzing trace with hash -770814609, now seen corresponding path program 1 times [2023-11-26 11:47:39,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:39,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21292493] [2023-11-26 11:47:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:39,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:47:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:47:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:47:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:47:39,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:39,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21292493] [2023-11-26 11:47:39,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21292493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:39,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:39,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:39,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217386835] [2023-11-26 11:47:39,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:39,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:39,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:39,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:39,199 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 11:47:39,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:39,210 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2023-11-26 11:47:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:39,211 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2023-11-26 11:47:39,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:39,212 INFO L225 Difference]: With dead ends: 33 [2023-11-26 11:47:39,212 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:47:39,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:39,213 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:39,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:47:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:47:39,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:47:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:47:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:47:39,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-26 11:47:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:39,215 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:47:39,215 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 11:47:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:47:39,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:47:39,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-26 11:47:39,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-26 11:47:39,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-26 11:47:39,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-26 11:47:39,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-26 11:47:39,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-26 11:47:39,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-26 11:47:39,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-26 11:47:39,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:47:39,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:47:39,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 11:47:39,276 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:47:39,276 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 11:47:39,276 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:47:39,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 11:47:39,276 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 11:47:39,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-26 11:47:39,277 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-26 11:47:39,277 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1624) no Hoare annotation was computed. [2023-11-26 11:47:39,277 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: false [2023-11-26 11:47:39,277 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-26 11:47:39,277 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2023-11-26 11:47:39,277 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-26 11:47:39,277 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-26 11:47:39,277 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-26 11:47:39,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-26 11:47:39,279 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:47:39,279 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2023-11-26 11:47:39,279 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2023-11-26 11:47:39,279 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-26 11:47:39,279 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-26 11:47:39,279 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-26 11:47:39,279 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2023-11-26 11:47:39,279 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1597 1616) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-26 11:47:39,280 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2023-11-26 11:47:39,280 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-26 11:47:39,281 INFO L895 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (and (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-26 11:47:39,281 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) (= ~globalTrue~0 1)) [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-26 11:47:39,282 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-26 11:47:39,283 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-26 11:47:39,283 INFO L899 garLoopResultBuilder]: For program point L1562-2(lines 1548 1573) no Hoare annotation was computed. [2023-11-26 11:47:39,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-26 11:47:39,286 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:39,289 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:47:39,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:39 BoogieIcfgContainer [2023-11-26 11:47:39,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:39,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:39,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:39,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:39,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:37" (3/4) ... [2023-11-26 11:47:39,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:47:39,305 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 11:47:39,305 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 11:47:39,313 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 11:47:39,314 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 11:47:39,314 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:47:39,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:47:39,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:39,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:47:39,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:39,423 INFO L158 Benchmark]: Toolchain (without parser) took 4491.44ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 139.9MB in the beginning and 196.9MB in the end (delta: -57.0MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,423 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:39,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1736.48ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 137.7MB in the end (delta: 1.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.79ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 134.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,425 INFO L158 Benchmark]: Boogie Preprocessor took 53.59ms. Allocated memory is still 184.5MB. Free memory was 134.7MB in the beginning and 132.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,425 INFO L158 Benchmark]: RCFGBuilder took 646.95ms. Allocated memory is still 184.5MB. Free memory was 132.3MB in the beginning and 115.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,425 INFO L158 Benchmark]: TraceAbstraction took 1812.34ms. Allocated memory is still 184.5MB. Free memory was 114.6MB in the beginning and 70.1MB in the end (delta: 44.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,426 INFO L158 Benchmark]: Witness Printer took 124.78ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 70.1MB in the beginning and 196.9MB in the end (delta: -126.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:47:39,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1736.48ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 137.7MB in the end (delta: 1.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.79ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 134.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.59ms. Allocated memory is still 184.5MB. Free memory was 134.7MB in the beginning and 132.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.95ms. Allocated memory is still 184.5MB. Free memory was 132.3MB in the beginning and 115.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1812.34ms. Allocated memory is still 184.5MB. Free memory was 114.6MB in the beginning and 70.1MB in the end (delta: 44.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 124.78ms. Allocated memory was 184.5MB in the beginning and 230.7MB in the end (delta: 46.1MB). Free memory was 70.1MB in the beginning and 196.9MB in the end (delta: -126.8MB). 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 523 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 323 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 37 PreInvPairs, 42 NumberOfFragments, 51 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 56/56 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! [2023-11-26 11:47:39,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70cc320-ca97-4051-84a5-b4b20378b6e9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE