./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya --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 a1dbf7e2eb7d89429a091ba20920f5c1d14c563cd21f76567c8e99a8b1f781b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:00:48,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:00:48,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 07:00:48,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:00:48,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:00:48,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:00:48,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:00:48,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:00:48,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:00:48,143 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:00:48,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:00:48,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:00:48,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:00:48,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:00:48,146 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:00:48,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:00:48,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:00:48,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:00:48,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:00:48,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:00:48,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:00:48,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:00:48,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 07:00:48,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 07:00:48,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:00:48,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:00:48,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:00:48,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:00:48,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:00:48,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:00:48,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:00:48,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:00:48,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:00:48,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:00:48,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:00:48,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:00:48,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:00:48,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:00:48,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:00:48,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:00:48,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:00:48,159 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_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dbf7e2eb7d89429a091ba20920f5c1d14c563cd21f76567c8e99a8b1f781b5 [2023-11-29 07:00:48,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:00:48,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:00:48,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:00:48,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:00:48,382 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:00:48,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i [2023-11-29 07:00:51,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:00:51,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:00:51,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i [2023-11-29 07:00:51,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/data/1d2d57953/a7a71bb2115a476485b374e22927d0c5/FLAG55a3965bc [2023-11-29 07:00:51,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/data/1d2d57953/a7a71bb2115a476485b374e22927d0c5 [2023-11-29 07:00:51,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:00:51,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:00:51,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:00:51,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:00:51,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:00:51,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:00:51" (1/1) ... [2023-11-29 07:00:51,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2141c880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:51, skipping insertion in model container [2023-11-29 07:00:51,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:00:51" (1/1) ... [2023-11-29 07:00:51,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:00:52,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:00:52,203 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:00:52,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:00:52,438 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:00:52,438 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:00:52,439 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:00:52,439 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:00:52,444 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:00:52,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52 WrapperNode [2023-11-29 07:00:52,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:00:52,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:00:52,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:00:52,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:00:52,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,505 INFO L138 Inliner]: procedures = 502, calls = 98, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 209 [2023-11-29 07:00:52,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:00:52,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:00:52,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:00:52,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:00:52,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,539 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [1, 6, 6]. 46 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 6 writes are split as follows [0, 3, 3]. [2023-11-29 07:00:52,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:00:52,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:00:52,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:00:52,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:00:52,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (1/1) ... [2023-11-29 07:00:52,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:00:52,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:00:52,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:00:52,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:00:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 07:00:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 07:00:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 07:00:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 07:00:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 07:00:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 07:00:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 07:00:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 07:00:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:00:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:00:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:00:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 07:00:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 07:00:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 07:00:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 07:00:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 07:00:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:00:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 07:00:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 07:00:52,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:00:52,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:00:52,988 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:00:53,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:00:53,022 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 07:00:53,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:00:53 BoogieIcfgContainer [2023-11-29 07:00:53,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:00:53,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:00:53,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:00:53,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:00:53,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:00:51" (1/3) ... [2023-11-29 07:00:53,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c895900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:00:53, skipping insertion in model container [2023-11-29 07:00:53,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:00:52" (2/3) ... [2023-11-29 07:00:53,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c895900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:00:53, skipping insertion in model container [2023-11-29 07:00:53,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:00:53" (3/3) ... [2023-11-29 07:00:53,031 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i [2023-11-29 07:00:53,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:00:53,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 07:00:53,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:00:53,105 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;@5b3db97d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:00:53,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 07:00:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.490909090909091) internal successors, (82), 63 states have internal predecessors, (82), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 07:00:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 07:00:53,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:53,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:53,117 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)] === [2023-11-29 07:00:53,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:53,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1898780496, now seen corresponding path program 1 times [2023-11-29 07:00:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:53,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636325175] [2023-11-29 07:00:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:00:53,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:53,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636325175] [2023-11-29 07:00:53,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636325175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:53,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:53,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162522290] [2023-11-29 07:00:53,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:53,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:00:53,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:53,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:00:53,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:53,504 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.490909090909091) internal successors, (82), 63 states have internal predecessors, (82), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 07:00:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:53,571 INFO L93 Difference]: Finished difference Result 82 states and 114 transitions. [2023-11-29 07:00:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:00:53,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-29 07:00:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:53,580 INFO L225 Difference]: With dead ends: 82 [2023-11-29 07:00:53,580 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 07:00:53,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:53,586 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 2 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:53,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 299 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:53,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 07:00:53,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-29 07:00:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.46) internal successors, (73), 56 states have internal predecessors, (73), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 07:00:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2023-11-29 07:00:53,624 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 13 [2023-11-29 07:00:53,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:53,625 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2023-11-29 07:00:53,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 07:00:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2023-11-29 07:00:53,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 07:00:53,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:53,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:53,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:00:53,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:53,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:53,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1267346693, now seen corresponding path program 1 times [2023-11-29 07:00:53,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:53,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136241157] [2023-11-29 07:00:53,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:53,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:00:53,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:53,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136241157] [2023-11-29 07:00:53,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136241157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:53,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:53,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:00:53,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778815022] [2023-11-29 07:00:53,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:53,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:00:53,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:53,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:00:53,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:00:53,830 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 07:00:53,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:53,901 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2023-11-29 07:00:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:00:53,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-29 07:00:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:53,903 INFO L225 Difference]: With dead ends: 72 [2023-11-29 07:00:53,904 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 07:00:53,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:00:53,906 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 12 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:53,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 251 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:53,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 07:00:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 07:00:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.44) internal successors, (72), 55 states have internal predecessors, (72), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 07:00:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2023-11-29 07:00:53,918 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 14 [2023-11-29 07:00:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:53,919 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2023-11-29 07:00:53,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 07:00:53,919 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-11-29 07:00:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 07:00:53,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:53,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:53,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:00:53,921 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)] === [2023-11-29 07:00:53,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash -657717786, now seen corresponding path program 1 times [2023-11-29 07:00:53,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:53,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299708522] [2023-11-29 07:00:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:00:53,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299708522] [2023-11-29 07:00:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299708522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:53,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:53,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770840309] [2023-11-29 07:00:53,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:53,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:53,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:53,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:53,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:53,981 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 07:00:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,008 INFO L93 Difference]: Finished difference Result 123 states and 167 transitions. [2023-11-29 07:00:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:54,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-29 07:00:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,010 INFO L225 Difference]: With dead ends: 123 [2023-11-29 07:00:54,010 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 07:00:54,011 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 [2023-11-29 07:00:54,012 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 8 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 168 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 07:00:54,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 07:00:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.42) internal successors, (71), 55 states have internal predecessors, (71), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 07:00:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 97 transitions. [2023-11-29 07:00:54,023 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 97 transitions. Word has length 17 [2023-11-29 07:00:54,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,024 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 97 transitions. [2023-11-29 07:00:54,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 07:00:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-29 07:00:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 07:00:54,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:54,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:00:54,026 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)] === [2023-11-29 07:00:54,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1659709802, now seen corresponding path program 1 times [2023-11-29 07:00:54,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234547366] [2023-11-29 07:00:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 07:00:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 07:00:54,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234547366] [2023-11-29 07:00:54,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234547366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323611340] [2023-11-29 07:00:54,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:54,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:54,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:54,084 INFO L87 Difference]: Start difference. First operand 71 states and 97 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-29 07:00:54,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,109 INFO L93 Difference]: Finished difference Result 123 states and 166 transitions. [2023-11-29 07:00:54,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:54,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2023-11-29 07:00:54,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,111 INFO L225 Difference]: With dead ends: 123 [2023-11-29 07:00:54,111 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 07:00:54,112 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 [2023-11-29 07:00:54,113 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 07:00:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-29 07:00:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 54 states have internal predecessors, (69), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:00:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2023-11-29 07:00:54,124 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 22 [2023-11-29 07:00:54,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,125 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2023-11-29 07:00:54,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-29 07:00:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-11-29 07:00:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 07:00:54,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,127 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:54,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:00:54,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1309304445, now seen corresponding path program 1 times [2023-11-29 07:00:54,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034067580] [2023-11-29 07:00:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 07:00:54,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034067580] [2023-11-29 07:00:54,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034067580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798995349] [2023-11-29 07:00:54,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:00:54,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:00:54,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:54,226 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:00:54,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,258 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2023-11-29 07:00:54,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:00:54,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-29 07:00:54,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,260 INFO L225 Difference]: With dead ends: 69 [2023-11-29 07:00:54,260 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 07:00:54,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:54,262 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 244 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 07:00:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 07:00:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:00:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 92 transitions. [2023-11-29 07:00:54,270 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 92 transitions. Word has length 24 [2023-11-29 07:00:54,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,270 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 92 transitions. [2023-11-29 07:00:54,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:00:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2023-11-29 07:00:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 07:00:54,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,272 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:54,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:00:54,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1933732019, now seen corresponding path program 1 times [2023-11-29 07:00:54,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863808612] [2023-11-29 07:00:54,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 07:00:54,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863808612] [2023-11-29 07:00:54,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863808612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:00:54,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382252816] [2023-11-29 07:00:54,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:00:54,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:00:54,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:00:54,419 INFO L87 Difference]: Start difference. First operand 68 states and 92 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:00:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,476 INFO L93 Difference]: Finished difference Result 68 states and 92 transitions. [2023-11-29 07:00:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:00:54,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-29 07:00:54,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,478 INFO L225 Difference]: With dead ends: 68 [2023-11-29 07:00:54,478 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 07:00:54,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:00:54,479 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 13 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 232 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 07:00:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 07:00:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 52 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:00:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 91 transitions. [2023-11-29 07:00:54,488 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 91 transitions. Word has length 25 [2023-11-29 07:00:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,488 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 91 transitions. [2023-11-29 07:00:54,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:00:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-29 07:00:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 07:00:54,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,490 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:54,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 07:00:54,491 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1031532117, now seen corresponding path program 1 times [2023-11-29 07:00:54,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720895857] [2023-11-29 07:00:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 07:00:54,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720895857] [2023-11-29 07:00:54,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720895857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115022362] [2023-11-29 07:00:54,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:54,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:54,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:54,542 INFO L87 Difference]: Start difference. First operand 67 states and 91 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:00:54,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,557 INFO L93 Difference]: Finished difference Result 100 states and 132 transitions. [2023-11-29 07:00:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:54,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-29 07:00:54,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,559 INFO L225 Difference]: With dead ends: 100 [2023-11-29 07:00:54,559 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 07:00:54,560 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 [2023-11-29 07:00:54,561 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 7 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 149 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 07:00:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-29 07:00:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 50 states have internal predecessors, (63), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 07:00:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2023-11-29 07:00:54,568 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 29 [2023-11-29 07:00:54,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,568 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2023-11-29 07:00:54,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 07:00:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2023-11-29 07:00:54,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 07:00:54,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,570 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] [2023-11-29 07:00:54,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 07:00:54,570 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2043736894, now seen corresponding path program 1 times [2023-11-29 07:00:54,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516663530] [2023-11-29 07:00:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:54,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516663530] [2023-11-29 07:00:54,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516663530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718010972] [2023-11-29 07:00:54,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:00:54,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:00:54,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:54,666 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2023-11-29 07:00:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,697 INFO L93 Difference]: Finished difference Result 65 states and 86 transitions. [2023-11-29 07:00:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:00:54,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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 35 [2023-11-29 07:00:54,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,699 INFO L225 Difference]: With dead ends: 65 [2023-11-29 07:00:54,699 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 07:00:54,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:00:54,700 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 13 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 213 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 07:00:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2023-11-29 07:00:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 49 states have internal predecessors, (62), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 07:00:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2023-11-29 07:00:54,709 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 35 [2023-11-29 07:00:54,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,710 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2023-11-29 07:00:54,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2023-11-29 07:00:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-29 07:00:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 07:00:54,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,712 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] [2023-11-29 07:00:54,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 07:00:54,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1068665879, now seen corresponding path program 1 times [2023-11-29 07:00:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152357888] [2023-11-29 07:00:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:54,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152357888] [2023-11-29 07:00:54,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152357888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410855064] [2023-11-29 07:00:54,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:00:54,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:00:54,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:54,798 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-29 07:00:54,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,833 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2023-11-29 07:00:54,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:00:54,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 36 [2023-11-29 07:00:54,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,835 INFO L225 Difference]: With dead ends: 74 [2023-11-29 07:00:54,835 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 07:00:54,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:00:54,836 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 7 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 231 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 07:00:54,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2023-11-29 07:00:54,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 53 states have internal predecessors, (67), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 07:00:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2023-11-29 07:00:54,845 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2023-11-29 07:00:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,845 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2023-11-29 07:00:54,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-29 07:00:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2023-11-29 07:00:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 07:00:54,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,847 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] [2023-11-29 07:00:54,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 07:00:54,847 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1070512921, now seen corresponding path program 1 times [2023-11-29 07:00:54,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652850028] [2023-11-29 07:00:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:54,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652850028] [2023-11-29 07:00:54,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652850028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931565808] [2023-11-29 07:00:54,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:54,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:54,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:54,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:54,907 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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) [2023-11-29 07:00:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:54,924 INFO L93 Difference]: Finished difference Result 94 states and 121 transitions. [2023-11-29 07:00:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:54,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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 36 [2023-11-29 07:00:54,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:54,925 INFO L225 Difference]: With dead ends: 94 [2023-11-29 07:00:54,925 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 07:00:54,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:54,927 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:54,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 149 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 07:00:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 07:00:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 53 states have internal predecessors, (66), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 07:00:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 88 transitions. [2023-11-29 07:00:54,934 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 88 transitions. Word has length 36 [2023-11-29 07:00:54,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:54,935 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 88 transitions. [2023-11-29 07:00:54,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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) [2023-11-29 07:00:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-29 07:00:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 07:00:54,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:54,936 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:54,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 07:00:54,937 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:54,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:54,937 INFO L85 PathProgramCache]: Analyzing trace with hash 810070619, now seen corresponding path program 1 times [2023-11-29 07:00:54,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:54,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822798680] [2023-11-29 07:00:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:54,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 07:00:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 07:00:54,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:54,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822798680] [2023-11-29 07:00:54,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822798680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:54,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:54,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:54,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612909907] [2023-11-29 07:00:54,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:54,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:54,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:55,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:55,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:55,000 INFO L87 Difference]: Start difference. First operand 67 states and 88 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 07:00:55,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:55,017 INFO L93 Difference]: Finished difference Result 89 states and 114 transitions. [2023-11-29 07:00:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:55,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2023-11-29 07:00:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:55,018 INFO L225 Difference]: With dead ends: 89 [2023-11-29 07:00:55,018 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 07:00:55,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:55,019 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:55,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 07:00:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 07:00:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 47 states have internal predecessors, (58), 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) [2023-11-29 07:00:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 78 transitions. [2023-11-29 07:00:55,025 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 78 transitions. Word has length 41 [2023-11-29 07:00:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:55,025 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 78 transitions. [2023-11-29 07:00:55,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 07:00:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-29 07:00:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 07:00:55,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:55,026 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] [2023-11-29 07:00:55,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 07:00:55,027 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:55,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:55,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1879763102, now seen corresponding path program 1 times [2023-11-29 07:00:55,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:55,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406933574] [2023-11-29 07:00:55,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:55,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:55,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:55,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406933574] [2023-11-29 07:00:55,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406933574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:55,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:55,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:55,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255141789] [2023-11-29 07:00:55,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:55,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:55,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:55,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:55,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:55,080 INFO L87 Difference]: Start difference. First operand 60 states and 78 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-29 07:00:55,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:55,094 INFO L93 Difference]: Finished difference Result 75 states and 95 transitions. [2023-11-29 07:00:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2023-11-29 07:00:55,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:55,095 INFO L225 Difference]: With dead ends: 75 [2023-11-29 07:00:55,095 INFO L226 Difference]: Without dead ends: 57 [2023-11-29 07:00:55,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:55,096 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 4 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:55,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:55,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-29 07:00:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-29 07:00:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 45 states have internal predecessors, (54), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 07:00:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2023-11-29 07:00:55,101 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 40 [2023-11-29 07:00:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:55,101 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2023-11-29 07:00:55,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-29 07:00:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-29 07:00:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 07:00:55,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:55,102 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:55,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 07:00:55,103 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:55,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 31601268, now seen corresponding path program 1 times [2023-11-29 07:00:55,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:55,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570088977] [2023-11-29 07:00:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:00:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:55,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:55,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570088977] [2023-11-29 07:00:55,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570088977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:55,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:55,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:55,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198887815] [2023-11-29 07:00:55,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:55,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:00:55,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:55,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:00:55,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:55,201 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-29 07:00:55,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:55,227 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2023-11-29 07:00:55,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:00:55,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 45 [2023-11-29 07:00:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:55,228 INFO L225 Difference]: With dead ends: 57 [2023-11-29 07:00:55,228 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 07:00:55,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:00:55,229 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 9 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:55,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 182 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:55,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 07:00:55,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-29 07:00:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 states have internal predecessors, (53), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 07:00:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2023-11-29 07:00:55,233 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 45 [2023-11-29 07:00:55,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:55,234 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2023-11-29 07:00:55,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-29 07:00:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-11-29 07:00:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 07:00:55,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:55,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:55,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 07:00:55,236 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:55,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash 979639497, now seen corresponding path program 1 times [2023-11-29 07:00:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:55,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920550918] [2023-11-29 07:00:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:00:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:55,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:55,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920550918] [2023-11-29 07:00:55,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920550918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:55,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:55,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016529849] [2023-11-29 07:00:55,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:55,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:00:55,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:55,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:00:55,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:00:55,329 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-29 07:00:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:55,358 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2023-11-29 07:00:55,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:00:55,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 46 [2023-11-29 07:00:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:55,360 INFO L225 Difference]: With dead ends: 61 [2023-11-29 07:00:55,360 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 07:00:55,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:00:55,361 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:55,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 191 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 07:00:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-29 07:00:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 07:00:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2023-11-29 07:00:55,365 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 46 [2023-11-29 07:00:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:55,366 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2023-11-29 07:00:55,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-29 07:00:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-29 07:00:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 07:00:55,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:55,367 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:55,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 07:00:55,367 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 07:00:55,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:55,368 INFO L85 PathProgramCache]: Analyzing trace with hash 359373427, now seen corresponding path program 1 times [2023-11-29 07:00:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053918963] [2023-11-29 07:00:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 07:00:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 07:00:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:00:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 07:00:55,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:55,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053918963] [2023-11-29 07:00:55,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053918963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:00:55,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:00:55,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:00:55,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440691611] [2023-11-29 07:00:55,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:00:55,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:00:55,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:00:55,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:55,438 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-11-29 07:00:55,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:55,450 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2023-11-29 07:00:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:00:55,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 47 [2023-11-29 07:00:55,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:55,451 INFO L225 Difference]: With dead ends: 60 [2023-11-29 07:00:55,451 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 07:00:55,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:00:55,453 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:55,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:00:55,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 07:00:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 07:00:55,454 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) [2023-11-29 07:00:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 07:00:55,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2023-11-29 07:00:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:55,454 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 07:00:55,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-11-29 07:00:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 07:00:55,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 07:00:55,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 07:00:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 07:00:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 07:00:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 07:00:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 07:00:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 07:00:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 07:00:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 07:00:55,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 07:00:55,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 07:00:55,501 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 07:00:55,501 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point L1662-1(line 1662) no Hoare annotation was computed. [2023-11-29 07:00:55,502 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2023-11-29 07:00:55,503 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2023-11-29 07:00:55,503 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2023-11-29 07:00:55,503 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2023-11-29 07:00:55,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1656) no Hoare annotation was computed. [2023-11-29 07:00:55,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2023-11-29 07:00:55,503 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2023-11-29 07:00:55,503 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L895 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch122#1| [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point L1656(line 1656) no Hoare annotation was computed. [2023-11-29 07:00:55,504 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2023-11-29 07:00:55,505 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2023-11-29 07:00:55,505 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2023-11-29 07:00:55,505 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-29 07:00:55,505 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2023-11-29 07:00:55,505 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 07:00:55,505 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2023-11-29 07:00:55,505 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-29 07:00:55,506 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-29 07:00:55,506 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2023-11-29 07:00:55,506 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-29 07:00:55,506 INFO L895 garLoopResultBuilder]: At program point L1649(line 1649) the Hoare annotation is: false [2023-11-29 07:00:55,506 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1624) no Hoare annotation was computed. [2023-11-29 07:00:55,506 INFO L899 garLoopResultBuilder]: For program point L1649-1(line 1649) no Hoare annotation was computed. [2023-11-29 07:00:55,506 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: false [2023-11-29 07:00:55,506 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch102#1| (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647)) [2023-11-29 07:00:55,506 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch113#1| (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647)) [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1637) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1592) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2023-11-29 07:00:55,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2023-11-29 07:00:55,508 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1610) no Hoare annotation was computed. [2023-11-29 07:00:55,508 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2023-11-29 07:00:55,508 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1560) no Hoare annotation was computed. [2023-11-29 07:00:55,508 INFO L902 garLoopResultBuilder]: At program point L1676(line 1676) the Hoare annotation is: true [2023-11-29 07:00:55,508 INFO L899 garLoopResultBuilder]: For program point L1676-1(line 1676) no Hoare annotation was computed. [2023-11-29 07:00:55,508 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1651) no Hoare annotation was computed. [2023-11-29 07:00:55,508 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: false [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1578) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L899 garLoopResultBuilder]: For program point L1652(lines 1652 1664) no Hoare annotation was computed. [2023-11-29 07:00:55,509 INFO L895 garLoopResultBuilder]: At program point L1619(line 1619) the Hoare annotation is: false [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1619-1(line 1619) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1661(line 1661) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1595(line 1595) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2023-11-29 07:00:55,510 INFO L902 garLoopResultBuilder]: At program point L1678(line 1678) the Hoare annotation is: true [2023-11-29 07:00:55,510 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2023-11-29 07:00:55,511 INFO L899 garLoopResultBuilder]: For program point L1678-1(line 1678) no Hoare annotation was computed. [2023-11-29 07:00:55,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1656) no Hoare annotation was computed. [2023-11-29 07:00:55,511 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch113#1| (<= (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647)) [2023-11-29 07:00:55,511 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch102#1| (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647)) [2023-11-29 07:00:55,511 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2023-11-29 07:00:55,511 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-11-29 07:00:55,514 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:00:55,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:00:55,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:00:55 BoogieIcfgContainer [2023-11-29 07:00:55,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:00:55,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:00:55,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:00:55,522 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:00:55,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:00:53" (3/4) ... [2023-11-29 07:00:55,524 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 07:00:55,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 07:00:55,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 07:00:55,534 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-29 07:00:55,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 07:00:55,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 07:00:55,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:00:55,537 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:00:55,636 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 07:00:55,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 07:00:55,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:00:55,638 INFO L158 Benchmark]: Toolchain (without parser) took 4194.09ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 91.4MB in the beginning and 110.4MB in the end (delta: -19.0MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,638 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:00:55,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1000.47ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 91.4MB in the beginning and 118.7MB in the end (delta: -27.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.88ms. Allocated memory is still 180.4MB. Free memory was 118.7MB in the beginning and 115.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,639 INFO L158 Benchmark]: Boogie Preprocessor took 52.70ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 112.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,639 INFO L158 Benchmark]: RCFGBuilder took 463.24ms. Allocated memory is still 180.4MB. Free memory was 112.4MB in the beginning and 90.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,640 INFO L158 Benchmark]: TraceAbstraction took 2495.88ms. Allocated memory was 180.4MB in the beginning and 220.2MB in the end (delta: 39.8MB). Free memory was 89.3MB in the beginning and 117.8MB in the end (delta: -28.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,640 INFO L158 Benchmark]: Witness Printer took 115.46ms. Allocated memory is still 220.2MB. Free memory was 117.8MB in the beginning and 110.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 07:00:55,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1000.47ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 91.4MB in the beginning and 118.7MB in the end (delta: -27.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.88ms. Allocated memory is still 180.4MB. Free memory was 118.7MB in the beginning and 115.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.70ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 112.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.24ms. Allocated memory is still 180.4MB. Free memory was 112.4MB in the beginning and 90.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2495.88ms. Allocated memory was 180.4MB in the beginning and 220.2MB in the end (delta: 39.8MB). Free memory was 89.3MB in the beginning and 117.8MB in the end (delta: -28.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 115.46ms. Allocated memory is still 220.2MB. Free memory was 117.8MB in the beginning and 110.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 2859 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1702 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1157 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 55, 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, 15 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 59 PreInvPairs, 63 NumberOfFragments, 62 HoareAnnotationTreeSize, 59 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 470 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 124/124 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! [2023-11-29 07:00:55,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db75d9d-35f2-4d5d-97d1-93146ea83897/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE