./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB --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 f866e88c723a0d278811cf67ea20623190aee0ecc7d8411898ae16553e842654 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:24:21,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:24:21,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 03:24:21,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:24:21,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:24:21,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:24:21,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:24:21,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:24:21,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:24:21,472 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:24:21,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:24:21,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:24:21,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:24:21,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:24:21,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:24:21,476 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:21,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:24:21,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:21,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:21,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:21,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:21,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:24:21,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:24:21,478 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:24:21,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:24:21,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:24:21,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:24:21,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:24:21,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:24:21,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:24:21,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:24:21,480 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f866e88c723a0d278811cf67ea20623190aee0ecc7d8411898ae16553e842654 [2024-11-28 03:24:21,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:24:21,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:24:21,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:24:21,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:24:21,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:24:21,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i [2024-11-28 03:24:24,844 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/data/d9126311b/21db5bc450a44a128e2500eb82f2362c/FLAGce9cb5877 [2024-11-28 03:24:25,330 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:24:25,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i [2024-11-28 03:24:25,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/data/d9126311b/21db5bc450a44a128e2500eb82f2362c/FLAGce9cb5877 [2024-11-28 03:24:25,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/data/d9126311b/21db5bc450a44a128e2500eb82f2362c [2024-11-28 03:24:25,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:24:25,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:24:25,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:25,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:24:25,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:24:25,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:25" (1/1) ... [2024-11-28 03:24:25,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db56071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:25, skipping insertion in model container [2024-11-28 03:24:25,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:25" (1/1) ... [2024-11-28 03:24:25,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:24:26,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:26,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:24:26,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:26,584 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:24:26,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26 WrapperNode [2024-11-28 03:24:26,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:26,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:26,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:24:26,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:24:26,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,664 INFO L138 Inliner]: procedures = 501, calls = 50, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 169 [2024-11-28 03:24:26,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:26,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:24:26,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:24:26,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:24:26,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,705 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 03:24:26,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:24:26,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:24:26,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:24:26,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:24:26,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:26,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:26,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:26,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:24:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-28 03:24:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-28 03:24:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 03:24:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 03:24:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:24:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:24:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:24:26,967 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:24:26,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:24:27,282 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-28 03:24:27,282 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:24:27,298 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:24:27,298 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:24:27,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:27 BoogieIcfgContainer [2024-11-28 03:24:27,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:24:27,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:24:27,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:24:27,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:24:27,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:24:25" (1/3) ... [2024-11-28 03:24:27,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f240256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:24:27, skipping insertion in model container [2024-11-28 03:24:27,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (2/3) ... [2024-11-28 03:24:27,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f240256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:24:27, skipping insertion in model container [2024-11-28 03:24:27,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:27" (3/3) ... [2024-11-28 03:24:27,313 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i [2024-11-28 03:24:27,331 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:24:27,333 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_multiply_15_good.i that has 3 procedures, 85 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-28 03:24:27,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:24:27,423 INFO L333 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, 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;@78c44690, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:24:27,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 03:24:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 76 states have internal predecessors, (89), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:24:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:24:27,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:27,435 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:27,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:27,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:27,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2109949807, now seen corresponding path program 1 times [2024-11-28 03:24:27,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:27,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205076478] [2024-11-28 03:24:27,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:27,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:27,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205076478] [2024-11-28 03:24:27,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205076478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:27,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:27,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:27,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400307456] [2024-11-28 03:24:27,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:27,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:27,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:27,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:27,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:27,787 INFO L87 Difference]: Start difference. First operand has 85 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 76 states have internal predecessors, (89), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:24:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:27,878 INFO L93 Difference]: Finished difference Result 159 states and 226 transitions. [2024-11-28 03:24:27,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:27,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-28 03:24:27,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:27,889 INFO L225 Difference]: With dead ends: 159 [2024-11-28 03:24:27,890 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 03:24:27,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:27,895 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 11 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:27,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 233 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 03:24:27,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-11-28 03:24:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 70 states have internal predecessors, (84), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 03:24:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 110 transitions. [2024-11-28 03:24:27,943 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 110 transitions. Word has length 15 [2024-11-28 03:24:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:27,944 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 110 transitions. [2024-11-28 03:24:27,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:24:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2024-11-28 03:24:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 03:24:27,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:27,950 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:27,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:24:27,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:27,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:27,952 INFO L85 PathProgramCache]: Analyzing trace with hash 983934653, now seen corresponding path program 1 times [2024-11-28 03:24:27,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:27,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806729959] [2024-11-28 03:24:27,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:27,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806729959] [2024-11-28 03:24:28,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806729959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:28,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135265241] [2024-11-28 03:24:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,124 INFO L87 Difference]: Start difference. First operand 77 states and 110 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:24:28,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,163 INFO L93 Difference]: Finished difference Result 77 states and 110 transitions. [2024-11-28 03:24:28,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:28,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-28 03:24:28,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:28,166 INFO L225 Difference]: With dead ends: 77 [2024-11-28 03:24:28,166 INFO L226 Difference]: Without dead ends: 76 [2024-11-28 03:24:28,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,167 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:28,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:28,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-28 03:24:28,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-28 03:24:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.509090909090909) internal successors, (83), 69 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 03:24:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 109 transitions. [2024-11-28 03:24:28,181 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 109 transitions. Word has length 16 [2024-11-28 03:24:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:28,182 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 109 transitions. [2024-11-28 03:24:28,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:24:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2024-11-28 03:24:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 03:24:28,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:28,184 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:28,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:24:28,184 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:28,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:28,189 INFO L85 PathProgramCache]: Analyzing trace with hash -437071906, now seen corresponding path program 1 times [2024-11-28 03:24:28,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:28,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721979786] [2024-11-28 03:24:28,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:28,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721979786] [2024-11-28 03:24:28,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721979786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:28,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769974501] [2024-11-28 03:24:28,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,252 INFO L87 Difference]: Start difference. First operand 76 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-28 03:24:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,272 INFO L93 Difference]: Finished difference Result 129 states and 181 transitions. [2024-11-28 03:24:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2024-11-28 03:24:28,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:28,276 INFO L225 Difference]: With dead ends: 129 [2024-11-28 03:24:28,280 INFO L226 Difference]: Without dead ends: 76 [2024-11-28 03:24:28,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,282 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:28,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-28 03:24:28,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-28 03:24:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 69 states have internal predecessors, (81), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 03:24:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2024-11-28 03:24:28,292 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 20 [2024-11-28 03:24:28,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:28,292 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2024-11-28 03:24:28,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-28 03:24:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2024-11-28 03:24:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 03:24:28,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:28,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:28,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:24:28,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:28,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1767475437, now seen corresponding path program 1 times [2024-11-28 03:24:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087768426] [2024-11-28 03:24:28,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087768426] [2024-11-28 03:24:28,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087768426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:28,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589766755] [2024-11-28 03:24:28,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,373 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2024-11-28 03:24:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,426 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2024-11-28 03:24:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:28,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 21 [2024-11-28 03:24:28,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:28,428 INFO L225 Difference]: With dead ends: 120 [2024-11-28 03:24:28,428 INFO L226 Difference]: Without dead ends: 83 [2024-11-28 03:24:28,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,429 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 11 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:28,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:28,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-28 03:24:28,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-11-28 03:24:28,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 72 states have internal predecessors, (86), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 03:24:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 112 transitions. [2024-11-28 03:24:28,451 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 112 transitions. Word has length 21 [2024-11-28 03:24:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:28,452 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 112 transitions. [2024-11-28 03:24:28,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2024-11-28 03:24:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2024-11-28 03:24:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:24:28,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:28,455 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:28,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:24:28,455 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:28,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1042836184, now seen corresponding path program 1 times [2024-11-28 03:24:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:28,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066991515] [2024-11-28 03:24:28,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066991515] [2024-11-28 03:24:28,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066991515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:28,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528654171] [2024-11-28 03:24:28,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,571 INFO L87 Difference]: Start difference. First operand 79 states and 112 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:24:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,607 INFO L93 Difference]: Finished difference Result 79 states and 112 transitions. [2024-11-28 03:24:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:28,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-11-28 03:24:28,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:28,612 INFO L225 Difference]: With dead ends: 79 [2024-11-28 03:24:28,612 INFO L226 Difference]: Without dead ends: 78 [2024-11-28 03:24:28,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,613 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:28,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:28,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-28 03:24:28,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-28 03:24:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 71 states have internal predecessors, (85), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 03:24:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2024-11-28 03:24:28,630 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 22 [2024-11-28 03:24:28,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:28,631 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2024-11-28 03:24:28,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:24:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-11-28 03:24:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:24:28,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:28,632 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:28,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:24:28,633 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:28,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:28,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1884569608, now seen corresponding path program 1 times [2024-11-28 03:24:28,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:28,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323281840] [2024-11-28 03:24:28,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:28,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323281840] [2024-11-28 03:24:28,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323281840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:28,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567492214] [2024-11-28 03:24:28,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,711 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-28 03:24:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,732 INFO L93 Difference]: Finished difference Result 113 states and 155 transitions. [2024-11-28 03:24:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:28,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 27 [2024-11-28 03:24:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:28,734 INFO L225 Difference]: With dead ends: 113 [2024-11-28 03:24:28,734 INFO L226 Difference]: Without dead ends: 76 [2024-11-28 03:24:28,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,735 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:28,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-28 03:24:28,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-28 03:24:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.396551724137931) internal successors, (81), 69 states have internal predecessors, (81), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:24:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2024-11-28 03:24:28,748 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 27 [2024-11-28 03:24:28,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:28,753 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2024-11-28 03:24:28,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-28 03:24:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-11-28 03:24:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:24:28,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:28,754 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:28,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:24:28,754 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:28,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:28,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1329434980, now seen corresponding path program 1 times [2024-11-28 03:24:28,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:28,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566871699] [2024-11-28 03:24:28,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:28,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566871699] [2024-11-28 03:24:28,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566871699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:28,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108935692] [2024-11-28 03:24:28,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,816 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (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) [2024-11-28 03:24:28,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,846 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2024-11-28 03:24:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:28,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (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 27 [2024-11-28 03:24:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:28,848 INFO L225 Difference]: With dead ends: 78 [2024-11-28 03:24:28,848 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 03:24:28,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,849 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 8 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:28,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 161 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:28,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 03:24:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2024-11-28 03:24:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 68 states have internal predecessors, (80), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:24:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2024-11-28 03:24:28,868 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 27 [2024-11-28 03:24:28,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:28,868 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2024-11-28 03:24:28,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (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) [2024-11-28 03:24:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2024-11-28 03:24:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:24:28,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:28,869 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:28,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:24:28,870 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:28,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:28,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1737188419, now seen corresponding path program 1 times [2024-11-28 03:24:28,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:28,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537500718] [2024-11-28 03:24:28,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:28,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537500718] [2024-11-28 03:24:28,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537500718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:28,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:28,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:28,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786102607] [2024-11-28 03:24:28,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:28,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:28,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:28,956 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-28 03:24:28,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:28,994 INFO L93 Difference]: Finished difference Result 101 states and 136 transitions. [2024-11-28 03:24:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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 28 [2024-11-28 03:24:29,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,003 INFO L225 Difference]: With dead ends: 101 [2024-11-28 03:24:29,003 INFO L226 Difference]: Without dead ends: 84 [2024-11-28 03:24:29,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,004 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 174 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-28 03:24:29,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2024-11-28 03:24:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 73 states have internal predecessors, (86), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:24:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 110 transitions. [2024-11-28 03:24:29,019 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 110 transitions. Word has length 28 [2024-11-28 03:24:29,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,020 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 110 transitions. [2024-11-28 03:24:29,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-28 03:24:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2024-11-28 03:24:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:24:29,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:29,021 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:24:29,021 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:29,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:29,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1679930117, now seen corresponding path program 1 times [2024-11-28 03:24:29,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:29,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933980628] [2024-11-28 03:24:29,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:29,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:29,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933980628] [2024-11-28 03:24:29,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933980628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:29,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:29,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529029285] [2024-11-28 03:24:29,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:29,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:29,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:29,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:29,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,088 INFO L87 Difference]: Start difference. First operand 80 states and 110 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-28 03:24:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:29,107 INFO L93 Difference]: Finished difference Result 109 states and 145 transitions. [2024-11-28 03:24:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 28 [2024-11-28 03:24:29,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,112 INFO L225 Difference]: With dead ends: 109 [2024-11-28 03:24:29,112 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 03:24:29,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,113 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 03:24:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-28 03:24:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:24:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-11-28 03:24:29,125 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 28 [2024-11-28 03:24:29,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,125 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-11-28 03:24:29,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-28 03:24:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-11-28 03:24:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:24:29,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:29,131 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:24:29,131 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:29,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash 990249766, now seen corresponding path program 1 times [2024-11-28 03:24:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:29,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390660389] [2024-11-28 03:24:29,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:24:29,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:29,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390660389] [2024-11-28 03:24:29,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390660389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:29,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:29,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:29,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203555431] [2024-11-28 03:24:29,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:29,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:29,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:29,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:29,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,200 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-28 03:24:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:29,218 INFO L93 Difference]: Finished difference Result 103 states and 136 transitions. [2024-11-28 03:24:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 32 [2024-11-28 03:24:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,222 INFO L225 Difference]: With dead ends: 103 [2024-11-28 03:24:29,222 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 03:24:29,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,223 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 03:24:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-28 03:24:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:24:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2024-11-28 03:24:29,235 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 32 [2024-11-28 03:24:29,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,235 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions. [2024-11-28 03:24:29,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-28 03:24:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2024-11-28 03:24:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 03:24:29,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:29,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:24:29,240 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:29,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash -33098982, now seen corresponding path program 1 times [2024-11-28 03:24:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:29,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167765866] [2024-11-28 03:24:29,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:29,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:29,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167765866] [2024-11-28 03:24:29,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167765866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:29,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:29,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:29,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463996894] [2024-11-28 03:24:29,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:29,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:29,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:29,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:29,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,288 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-28 03:24:29,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:29,304 INFO L93 Difference]: Finished difference Result 89 states and 116 transitions. [2024-11-28 03:24:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 33 [2024-11-28 03:24:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,305 INFO L225 Difference]: With dead ends: 89 [2024-11-28 03:24:29,306 INFO L226 Difference]: Without dead ends: 71 [2024-11-28 03:24:29,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,308 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-28 03:24:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-28 03:24:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.280701754385965) internal successors, (73), 64 states have internal predecessors, (73), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:24:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2024-11-28 03:24:29,315 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 33 [2024-11-28 03:24:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,315 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2024-11-28 03:24:29,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-28 03:24:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2024-11-28 03:24:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 03:24:29,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:29,316 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:24:29,317 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:29,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:29,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1991638802, now seen corresponding path program 1 times [2024-11-28 03:24:29,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946003004] [2024-11-28 03:24:29,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:29,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:29,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946003004] [2024-11-28 03:24:29,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946003004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:29,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:29,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:29,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892585015] [2024-11-28 03:24:29,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:29,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:29,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:29,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:29,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,414 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-28 03:24:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:29,432 INFO L93 Difference]: Finished difference Result 71 states and 93 transitions. [2024-11-28 03:24:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 40 [2024-11-28 03:24:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,436 INFO L225 Difference]: With dead ends: 71 [2024-11-28 03:24:29,436 INFO L226 Difference]: Without dead ends: 70 [2024-11-28 03:24:29,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,437 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 4 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 146 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-28 03:24:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-28 03:24:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.263157894736842) internal successors, (72), 63 states have internal predecessors, (72), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:24:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2024-11-28 03:24:29,448 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 40 [2024-11-28 03:24:29,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,448 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2024-11-28 03:24:29,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-28 03:24:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-28 03:24:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 03:24:29,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:29,449 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:24:29,451 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:29,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:29,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1611260919, now seen corresponding path program 1 times [2024-11-28 03:24:29,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:29,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015775335] [2024-11-28 03:24:29,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:29,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:29,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:29,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015775335] [2024-11-28 03:24:29,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015775335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:29,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:29,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:29,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537259682] [2024-11-28 03:24:29,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:29,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:29,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:29,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:29,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,525 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-28 03:24:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:29,542 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2024-11-28 03:24:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 41 [2024-11-28 03:24:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,544 INFO L225 Difference]: With dead ends: 76 [2024-11-28 03:24:29,544 INFO L226 Difference]: Without dead ends: 70 [2024-11-28 03:24:29,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,545 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-28 03:24:29,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-28 03:24:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 63 states have internal predecessors, (71), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:24:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2024-11-28 03:24:29,553 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 41 [2024-11-28 03:24:29,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,554 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2024-11-28 03:24:29,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-28 03:24:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2024-11-28 03:24:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:24:29,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:29,555 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:24:29,555 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:24:29,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:29,556 INFO L85 PathProgramCache]: Analyzing trace with hash 124368278, now seen corresponding path program 1 times [2024-11-28 03:24:29,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:29,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174741186] [2024-11-28 03:24:29,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:29,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:24:29,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:29,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174741186] [2024-11-28 03:24:29,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174741186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:29,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:29,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:24:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017635562] [2024-11-28 03:24:29,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:29,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:24:29,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:29,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:24:29,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,616 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-28 03:24:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:29,623 INFO L93 Difference]: Finished difference Result 74 states and 95 transitions. [2024-11-28 03:24:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:24:29,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 42 [2024-11-28 03:24:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:29,624 INFO L225 Difference]: With dead ends: 74 [2024-11-28 03:24:29,624 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:24:29,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:24:29,625 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:29,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:29,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:24:29,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:24:29,626 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) [2024-11-28 03:24:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:24:29,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-28 03:24:29,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:29,626 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:24:29,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-28 03:24:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:24:29,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:24:29,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-28 03:24:29,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-28 03:24:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 03:24:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 03:24:29,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 03:24:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 03:24:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 03:24:29,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 03:24:29,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:24:29,637 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:29,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:24:29,685 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:24:29,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:24:29 BoogieIcfgContainer [2024-11-28 03:24:29,693 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:24:29,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:24:29,694 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:24:29,695 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:24:29,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:27" (3/4) ... [2024-11-28 03:24:29,698 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:24:29,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-28 03:24:29,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-28 03:24:29,712 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 03:24:29,712 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-28 03:24:29,712 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:24:29,713 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:24:29,713 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:24:29,804 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:24:29,804 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:24:29,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:24:29,806 INFO L158 Benchmark]: Toolchain (without parser) took 4415.69ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.2MB in the beginning and 192.3MB in the end (delta: -102.2MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB. [2024-11-28 03:24:29,806 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:29,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1193.52ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 80.2MB in the end (delta: 9.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-28 03:24:29,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.53ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:24:29,807 INFO L158 Benchmark]: Boogie Preprocessor took 58.01ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:29,808 INFO L158 Benchmark]: RCFGBuilder took 576.49ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 59.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:24:29,809 INFO L158 Benchmark]: TraceAbstraction took 2391.05ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.9MB in the beginning and 198.7MB in the end (delta: -139.8MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2024-11-28 03:24:29,809 INFO L158 Benchmark]: Witness Printer took 110.13ms. Allocated memory is still 352.3MB. Free memory was 198.7MB in the beginning and 192.3MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:24:29,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1193.52ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 80.2MB in the end (delta: 9.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.53ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.01ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.49ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 59.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2391.05ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.9MB in the beginning and 198.7MB in the end (delta: -139.8MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * Witness Printer took 110.13ms. Allocated memory is still 352.3MB. Free memory was 198.7MB in the beginning and 192.3MB in the end (delta: 6.4MB). 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: 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, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 2436 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1167 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1269 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4/4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:24:29,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16982ef4-fac1-4cd5-a6fe-14336f07c2e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE