./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_07_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_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1 --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 138b09cc567d9d4e72a9cab5ee07966c967c96bd13db502002f46c12083c4e59 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:57:45,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:57:45,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 12:57:45,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:57:45,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:57:45,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:57:45,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:57:45,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:57:45,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:57:45,237 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:57:45,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:57:45,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:57:45,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:57:45,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:57:45,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:57:45,239 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:45,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:57:45,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:45,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:57:45,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:57:45,240 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_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1 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 -> 138b09cc567d9d4e72a9cab5ee07966c967c96bd13db502002f46c12083c4e59 [2024-12-02 12:57:45,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:57:45,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:57:45,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:57:45,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:57:45,482 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:57:45,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_07_good.i [2024-12-02 12:57:48,142 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/data/91472fdc4/5ad4b9d596554f468bd138726b093ea3/FLAG7c7650aaa [2024-12-02 12:57:48,428 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:57:48,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_07_good.i [2024-12-02 12:57:48,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/data/91472fdc4/5ad4b9d596554f468bd138726b093ea3/FLAG7c7650aaa [2024-12-02 12:57:48,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/data/91472fdc4/5ad4b9d596554f468bd138726b093ea3 [2024-12-02 12:57:48,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:57:48,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:57:48,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:57:48,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:57:48,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:57:48,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:48" (1/1) ... [2024-12-02 12:57:48,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107ce843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:48, skipping insertion in model container [2024-12-02 12:57:48,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:48" (1/1) ... [2024-12-02 12:57:48,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:57:49,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:57:49,363 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:57:49,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:57:49,553 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:57:49,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49 WrapperNode [2024-12-02 12:57:49,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:57:49,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:57:49,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:57:49,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:57:49,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,592 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 194 [2024-12-02 12:57:49,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:57:49,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:57:49,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:57:49,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:57:49,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,609 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 12:57:49,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,613 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:57:49,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:57:49,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:57:49,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:57:49,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:49,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:49,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:57:49,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:57:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 12:57:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 12:57:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 12:57:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 12:57:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:57:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:57:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:57:49,776 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:57:49,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:57:50,049 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-12-02 12:57:50,049 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:57:50,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:57:50,058 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:57:50,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:50 BoogieIcfgContainer [2024-12-02 12:57:50,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:57:50,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:57:50,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:57:50,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:57:50,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:57:48" (1/3) ... [2024-12-02 12:57:50,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be7a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:50, skipping insertion in model container [2024-12-02 12:57:50,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (2/3) ... [2024-12-02 12:57:50,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be7a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:50, skipping insertion in model container [2024-12-02 12:57:50,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:50" (3/3) ... [2024-12-02 12:57:50,066 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_07_good.i [2024-12-02 12:57:50,077 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:57:50,078 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_add_07_good.i that has 3 procedures, 103 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 12:57:50,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:57:50,129 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;@1e90978e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:57:50,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 12:57:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 82 states have (on average 1.548780487804878) internal successors, (127), 94 states have internal predecessors, (127), 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) [2024-12-02 12:57:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 12:57:50,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:50,137 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:50,137 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)] === [2024-12-02 12:57:50,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1257461886, now seen corresponding path program 1 times [2024-12-02 12:57:50,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826876794] [2024-12-02 12:57:50,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:50,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:50,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826876794] [2024-12-02 12:57:50,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826876794] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:50,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:50,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:57:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143112710] [2024-12-02 12:57:50,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:50,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:50,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:50,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:50,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:50,333 INFO L87 Difference]: Start difference. First operand has 103 states, 82 states have (on average 1.548780487804878) internal successors, (127), 94 states have internal predecessors, (127), 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) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-12-02 12:57:50,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:50,382 INFO L93 Difference]: Finished difference Result 177 states and 248 transitions. [2024-12-02 12:57:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:50,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-12-02 12:57:50,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:50,391 INFO L225 Difference]: With dead ends: 177 [2024-12-02 12:57:50,391 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 12:57:50,394 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 [2024-12-02 12:57:50,396 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 131 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:50,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 127 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:50,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 12:57:50,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 12:57:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 85 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 124 transitions. [2024-12-02 12:57:50,436 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 124 transitions. Word has length 12 [2024-12-02 12:57:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:50,437 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 124 transitions. [2024-12-02 12:57:50,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-12-02 12:57:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions. [2024-12-02 12:57:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 12:57:50,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:50,439 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:50,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:57:50,440 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:57:50,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash -804808767, now seen corresponding path program 1 times [2024-12-02 12:57:50,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832360217] [2024-12-02 12:57:50,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:50,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:50,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832360217] [2024-12-02 12:57:50,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832360217] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:50,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:50,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:57:50,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928303752] [2024-12-02 12:57:50,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:50,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:57:50,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:50,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:57:50,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:57:50,688 INFO L87 Difference]: Start difference. First operand 92 states and 124 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:57:50,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:50,792 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions. [2024-12-02 12:57:50,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:57:50,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-12-02 12:57:50,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:50,794 INFO L225 Difference]: With dead ends: 99 [2024-12-02 12:57:50,794 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 12:57:50,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:57:50,795 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 40 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:50,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 515 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:57:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 12:57:50,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-12-02 12:57:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 90 states have internal predecessors, (118), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2024-12-02 12:57:50,805 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 18 [2024-12-02 12:57:50,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:50,805 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2024-12-02 12:57:50,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:57:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2024-12-02 12:57:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 12:57:50,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:50,806 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:50,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:57:50,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:57:50,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1522084711, now seen corresponding path program 1 times [2024-12-02 12:57:50,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869199915] [2024-12-02 12:57:50,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:50,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:50,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869199915] [2024-12-02 12:57:50,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869199915] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:50,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:50,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:50,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126106924] [2024-12-02 12:57:50,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:50,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:50,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:50,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:50,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:50,889 INFO L87 Difference]: Start difference. First operand 97 states and 130 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:57:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:50,907 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2024-12-02 12:57:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:50,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-12-02 12:57:50,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:50,908 INFO L225 Difference]: With dead ends: 97 [2024-12-02 12:57:50,908 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 12:57:50,909 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 [2024-12-02 12:57:50,909 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 36 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 197 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 [2024-12-02 12:57:50,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 197 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:50,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 12:57:50,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2024-12-02 12:57:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 84 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2024-12-02 12:57:50,917 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 18 [2024-12-02 12:57:50,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:50,917 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2024-12-02 12:57:50,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:57:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2024-12-02 12:57:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 12:57:50,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:50,918 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:50,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:57:50,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:57:50,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,919 INFO L85 PathProgramCache]: Analyzing trace with hash 820732141, now seen corresponding path program 1 times [2024-12-02 12:57:50,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551357557] [2024-12-02 12:57:50,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:50,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:50,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551357557] [2024-12-02 12:57:50,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551357557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:50,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:50,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:50,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057787213] [2024-12-02 12:57:50,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:50,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:50,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:50,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:50,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:50,956 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:57:50,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:50,973 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2024-12-02 12:57:50,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:50,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-12-02 12:57:50,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:50,975 INFO L225 Difference]: With dead ends: 91 [2024-12-02 12:57:50,975 INFO L226 Difference]: Without dead ends: 90 [2024-12-02 12:57:50,975 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 [2024-12-02 12:57:50,976 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 35 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:50,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 200 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:50,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-12-02 12:57:50,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-12-02 12:57:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 83 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2024-12-02 12:57:50,983 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 19 [2024-12-02 12:57:50,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:50,983 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2024-12-02 12:57:50,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:57:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2024-12-02 12:57:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-02 12:57:50,984 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:50,984 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, 1] [2024-12-02 12:57:50,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:57:50,985 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:57:50,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2114690354, now seen corresponding path program 1 times [2024-12-02 12:57:50,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450923808] [2024-12-02 12:57:50,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 12:57:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450923808] [2024-12-02 12:57:51,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450923808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:51,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874811294] [2024-12-02 12:57:51,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:51,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:51,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:51,099 INFO L87 Difference]: Start difference. First operand 90 states and 122 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, (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) [2024-12-02 12:57:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:51,115 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-12-02 12:57:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:51,116 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-12-02 12:57:51,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:51,117 INFO L225 Difference]: With dead ends: 90 [2024-12-02 12:57:51,117 INFO L226 Difference]: Without dead ends: 89 [2024-12-02 12:57:51,117 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 [2024-12-02 12:57:51,118 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 36 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 193 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 [2024-12-02 12:57:51,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-12-02 12:57:51,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-12-02 12:57:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 82 states have internal predecessors, (109), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2024-12-02 12:57:51,124 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 33 [2024-12-02 12:57:51,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:51,125 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2024-12-02 12:57:51,125 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, (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) [2024-12-02 12:57:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-12-02 12:57:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-02 12:57:51,126 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:51,126 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, 1, 1] [2024-12-02 12:57:51,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:57:51,126 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:57:51,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:51,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1130891778, now seen corresponding path program 1 times [2024-12-02 12:57:51,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:51,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149065308] [2024-12-02 12:57:51,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:51,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 12:57:51,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149065308] [2024-12-02 12:57:51,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149065308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:51,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410687212] [2024-12-02 12:57:51,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:51,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:51,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:51,177 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-12-02 12:57:51,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:51,189 INFO L93 Difference]: Finished difference Result 89 states and 121 transitions. [2024-12-02 12:57:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:51,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 34 [2024-12-02 12:57:51,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:51,191 INFO L225 Difference]: With dead ends: 89 [2024-12-02 12:57:51,191 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 12:57:51,191 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 [2024-12-02 12:57:51,192 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 35 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:51,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 196 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:51,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 12:57:51,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-12-02 12:57:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 81 states have internal predecessors, (108), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2024-12-02 12:57:51,198 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 34 [2024-12-02 12:57:51,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:51,198 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2024-12-02 12:57:51,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-12-02 12:57:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2024-12-02 12:57:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 12:57:51,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:51,200 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:51,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:57:51,200 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)] === [2024-12-02 12:57:51,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:51,200 INFO L85 PathProgramCache]: Analyzing trace with hash 403832941, now seen corresponding path program 1 times [2024-12-02 12:57:51,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:51,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285250905] [2024-12-02 12:57:51,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:57:51,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285250905] [2024-12-02 12:57:51,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285250905] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:51,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684176977] [2024-12-02 12:57:51,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:51,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:51,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:51,261 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:57:51,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:51,275 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2024-12-02 12:57:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:51,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-12-02 12:57:51,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:51,276 INFO L225 Difference]: With dead ends: 88 [2024-12-02 12:57:51,276 INFO L226 Difference]: Without dead ends: 86 [2024-12-02 12:57:51,276 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 [2024-12-02 12:57:51,277 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:51,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 228 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-12-02 12:57:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-12-02 12:57:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.394736842105263) internal successors, (106), 79 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 12:57:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2024-12-02 12:57:51,283 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 41 [2024-12-02 12:57:51,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:51,283 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2024-12-02 12:57:51,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:57:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2024-12-02 12:57:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 12:57:51,284 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:51,284 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:51,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:57:51,285 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:57:51,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash -517882348, now seen corresponding path program 1 times [2024-12-02 12:57:51,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:51,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773517939] [2024-12-02 12:57:51,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:51,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:57:51,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773517939] [2024-12-02 12:57:51,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773517939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:51,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273752572] [2024-12-02 12:57:51,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:51,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:51,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:51,351 INFO L87 Difference]: Start difference. First operand 86 states and 118 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 12:57:51,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:51,360 INFO L93 Difference]: Finished difference Result 86 states and 118 transitions. [2024-12-02 12:57:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:51,361 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2024-12-02 12:57:51,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:51,361 INFO L225 Difference]: With dead ends: 86 [2024-12-02 12:57:51,361 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:57:51,362 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 [2024-12-02 12:57:51,362 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:51,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 227 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:51,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:57:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:57:51,363 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) [2024-12-02 12:57:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:57:51,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2024-12-02 12:57:51,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:51,364 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:57:51,364 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 12:57:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:57:51,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:57:51,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 12:57:51,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 12:57:51,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:57:51,370 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:51,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:57:51,404 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:57:51,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:57:51 BoogieIcfgContainer [2024-12-02 12:57:51,410 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:57:51,410 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:57:51,410 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:57:51,410 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:57:51,411 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:50" (3/4) ... [2024-12-02 12:57:51,413 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:57:51,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 12:57:51,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 12:57:51,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 12:57:51,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 12:57:51,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:57:51,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:57:51,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:57:51,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:57:51,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:57:51,503 INFO L158 Benchmark]: Toolchain (without parser) took 2811.20ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 52.1MB in the end (delta: 60.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-12-02 12:57:51,503 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:51,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.06ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 110.1MB in the end (delta: 2.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-12-02 12:57:51,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.77ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 107.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:51,504 INFO L158 Benchmark]: Boogie Preprocessor took 26.29ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 104.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:51,504 INFO L158 Benchmark]: RCFGBuilder took 439.48ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 82.9MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:57:51,504 INFO L158 Benchmark]: TraceAbstraction took 1349.36ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 58.2MB in the end (delta: 23.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-12-02 12:57:51,505 INFO L158 Benchmark]: Witness Printer took 92.24ms. Allocated memory is still 142.6MB. Free memory was 58.2MB in the beginning and 52.1MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:51,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.06ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 110.1MB in the end (delta: 2.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.77ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 107.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.29ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 104.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.48ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 82.9MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1349.36ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 58.2MB in the end (delta: 23.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 92.24ms. Allocated memory is still 142.6MB. Free memory was 58.2MB in the beginning and 52.1MB in the end (delta: 6.1MB). There was no memory consumed. 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: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1626]: 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, 103 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 315 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 1883 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 942 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 941 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 32/32 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! [2024-12-02 12:57:51,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0cb8c1-d8bb-4115-bd38-3c31cf4245c7/bin/uautomizer-verify-84ZbGMXZE1/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