./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU --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 32bit --witnessprinter.graph.data.programhash 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:42,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:42,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:17:42,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:42,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:42,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:42,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:42,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:42,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:42,732 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:42,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:42,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:42,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:42,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:42,737 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:42,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:42,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:42,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:42,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:42,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:42,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:42,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:42,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:42,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:42,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:42,745 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:17:42,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:42,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:42,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:42,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:42,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:42,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:42,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:42,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:42,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:42,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:42,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:42,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:42,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:42,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:42,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:42,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:42,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:42,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:42,762 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2024-10-31 22:17:43,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:43,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:43,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:43,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:43,111 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:43,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c Unable to find full path for "g++" [2024-10-31 22:17:45,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:45,406 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:45,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-10-31 22:17:45,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/data/da348d4b2/71e4bdbfe8494847b1272834f569d20a/FLAGe29bb7321 [2024-10-31 22:17:45,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/data/da348d4b2/71e4bdbfe8494847b1272834f569d20a [2024-10-31 22:17:45,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:45,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:45,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:45,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:45,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:45,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793ad767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45, skipping insertion in model container [2024-10-31 22:17:45,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:45,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:45,738 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:45,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:45,807 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:45,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45 WrapperNode [2024-10-31 22:17:45,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:45,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:45,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:45,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:45,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,877 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 236 [2024-10-31 22:17:45,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:45,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:45,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:45,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:45,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,927 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:17:45,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:45,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:45,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:45,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:45,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (1/1) ... [2024-10-31 22:17:45,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:45,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:45,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:45,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-31 22:17:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-31 22:17:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:17:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:46,110 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:46,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:46,515 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:46,516 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:46,539 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:46,539 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:17:46,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:46 BoogieIcfgContainer [2024-10-31 22:17:46,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:46,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:46,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:46,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:46,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:45" (1/3) ... [2024-10-31 22:17:46,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56688928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:46, skipping insertion in model container [2024-10-31 22:17:46,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:45" (2/3) ... [2024-10-31 22:17:46,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56688928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:46, skipping insertion in model container [2024-10-31 22:17:46,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:46" (3/3) ... [2024-10-31 22:17:46,556 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-10-31 22:17:46,577 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:46,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-10-31 22:17:46,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:46,658 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;@6a87789a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:46,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-10-31 22:17:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 65 states have (on average 1.646153846153846) internal successors, (107), 85 states have internal predecessors, (107), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:17:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:17:46,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:46,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:17:46,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:46,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:46,677 INFO L85 PathProgramCache]: Analyzing trace with hash 987236, now seen corresponding path program 1 times [2024-10-31 22:17:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:46,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165731361] [2024-10-31 22:17:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:46,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:46,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:46,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165731361] [2024-10-31 22:17:46,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165731361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:46,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:46,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556866669] [2024-10-31 22:17:46,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:46,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:46,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:46,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:46,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:46,927 INFO L87 Difference]: Start difference. First operand has 103 states, 65 states have (on average 1.646153846153846) internal successors, (107), 85 states have internal predecessors, (107), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-31 22:17:47,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:47,038 INFO L93 Difference]: Finished difference Result 107 states and 142 transitions. [2024-10-31 22:17:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:47,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-10-31 22:17:47,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:47,070 INFO L225 Difference]: With dead ends: 107 [2024-10-31 22:17:47,070 INFO L226 Difference]: Without dead ends: 64 [2024-10-31 22:17:47,074 INFO L431 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 [2024-10-31 22:17:47,079 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 81 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:47,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 116 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-31 22:17:47,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-31 22:17:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.511111111111111) internal successors, (68), 63 states have internal predecessors, (68), 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) [2024-10-31 22:17:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2024-10-31 22:17:47,121 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 4 [2024-10-31 22:17:47,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:47,122 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2024-10-31 22:17:47,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-31 22:17:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2024-10-31 22:17:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 22:17:47,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:47,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 22:17:47,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:17:47,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:47,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:47,127 INFO L85 PathProgramCache]: Analyzing trace with hash 30604359, now seen corresponding path program 1 times [2024-10-31 22:17:47,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:47,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965173347] [2024-10-31 22:17:47,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:47,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:47,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965173347] [2024-10-31 22:17:47,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965173347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:47,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:47,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:47,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615596594] [2024-10-31 22:17:47,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:47,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:47,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:47,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:47,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:47,202 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-31 22:17:47,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:47,225 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2024-10-31 22:17:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:47,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2024-10-31 22:17:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:47,228 INFO L225 Difference]: With dead ends: 64 [2024-10-31 22:17:47,228 INFO L226 Difference]: Without dead ends: 63 [2024-10-31 22:17:47,229 INFO L431 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 [2024-10-31 22:17:47,230 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 63 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:47,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 61 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-31 22:17:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-10-31 22:17:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 45 states have (on average 1.488888888888889) internal successors, (67), 62 states have internal predecessors, (67), 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) [2024-10-31 22:17:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2024-10-31 22:17:47,239 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 5 [2024-10-31 22:17:47,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:47,240 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2024-10-31 22:17:47,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-31 22:17:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2024-10-31 22:17:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:17:47,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:47,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:47,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:17:47,242 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:47,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1410096019, now seen corresponding path program 1 times [2024-10-31 22:17:47,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:47,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936713963] [2024-10-31 22:17:47,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:47,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:47,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:47,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936713963] [2024-10-31 22:17:47,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936713963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:47,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:47,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:47,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922549171] [2024-10-31 22:17:47,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:47,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:47,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:47,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:47,348 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-31 22:17:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:47,510 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2024-10-31 22:17:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:47,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2024-10-31 22:17:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:47,516 INFO L225 Difference]: With dead ends: 103 [2024-10-31 22:17:47,516 INFO L226 Difference]: Without dead ends: 95 [2024-10-31 22:17:47,517 INFO L431 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 [2024-10-31 22:17:47,518 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 31 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:47,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 78 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-31 22:17:47,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2024-10-31 22:17:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 90 states have internal predecessors, (103), 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) [2024-10-31 22:17:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2024-10-31 22:17:47,532 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 9 [2024-10-31 22:17:47,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:47,533 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2024-10-31 22:17:47,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-31 22:17:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2024-10-31 22:17:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:17:47,538 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:47,538 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:47,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:17:47,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:47,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:47,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1944426214, now seen corresponding path program 1 times [2024-10-31 22:17:47,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:47,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173700339] [2024-10-31 22:17:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:47,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:47,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173700339] [2024-10-31 22:17:47,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173700339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:47,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:47,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:47,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997605375] [2024-10-31 22:17:47,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:47,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:47,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:47,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:47,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:47,653 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-31 22:17:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:47,760 INFO L93 Difference]: Finished difference Result 124 states and 140 transitions. [2024-10-31 22:17:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:47,761 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), 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) Word has length 17 [2024-10-31 22:17:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:47,762 INFO L225 Difference]: With dead ends: 124 [2024-10-31 22:17:47,763 INFO L226 Difference]: Without dead ends: 120 [2024-10-31 22:17:47,763 INFO L431 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 [2024-10-31 22:17:47,765 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 18 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:47,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 95 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:47,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-31 22:17:47,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2024-10-31 22:17:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 113 states have internal predecessors, (130), 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) [2024-10-31 22:17:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2024-10-31 22:17:47,776 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 17 [2024-10-31 22:17:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:47,776 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2024-10-31 22:17:47,776 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), 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) [2024-10-31 22:17:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2024-10-31 22:17:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:17:47,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:47,778 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:47,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:17:47,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:47,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:47,779 INFO L85 PathProgramCache]: Analyzing trace with hash 720502233, now seen corresponding path program 1 times [2024-10-31 22:17:47,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:47,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455498829] [2024-10-31 22:17:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:47,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:47,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455498829] [2024-10-31 22:17:47,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455498829] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:47,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199483881] [2024-10-31 22:17:47,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:47,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:47,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:47,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:17:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:48,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:17:48,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:48,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:48,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199483881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:48,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:17:48,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:17:48,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514413352] [2024-10-31 22:17:48,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:48,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:48,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:48,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:48,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:48,110 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-31 22:17:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:48,205 INFO L93 Difference]: Finished difference Result 114 states and 130 transitions. [2024-10-31 22:17:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:48,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2024-10-31 22:17:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:48,207 INFO L225 Difference]: With dead ends: 114 [2024-10-31 22:17:48,207 INFO L226 Difference]: Without dead ends: 109 [2024-10-31 22:17:48,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:48,209 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 82 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:48,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 60 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:48,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-31 22:17:48,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-10-31 22:17:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.28125) internal successors, (123), 108 states have internal predecessors, (123), 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) [2024-10-31 22:17:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2024-10-31 22:17:48,219 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 23 [2024-10-31 22:17:48,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:48,219 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2024-10-31 22:17:48,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-31 22:17:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2024-10-31 22:17:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-31 22:17:48,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:48,221 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:48,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:17:48,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:48,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:48,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:48,426 INFO L85 PathProgramCache]: Analyzing trace with hash 860732801, now seen corresponding path program 1 times [2024-10-31 22:17:48,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:48,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437171287] [2024-10-31 22:17:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:48,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:48,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:48,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437171287] [2024-10-31 22:17:48,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437171287] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:48,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563190986] [2024-10-31 22:17:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:48,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:48,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:48,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:17:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:48,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:17:48,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:48,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:48,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563190986] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:48,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:48,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-31 22:17:48,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557531074] [2024-10-31 22:17:48,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:48,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:17:48,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:48,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:17:48,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:17:48,724 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 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) [2024-10-31 22:17:48,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:48,972 INFO L93 Difference]: Finished difference Result 272 states and 321 transitions. [2024-10-31 22:17:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:17:48,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 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) Word has length 24 [2024-10-31 22:17:48,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:48,975 INFO L225 Difference]: With dead ends: 272 [2024-10-31 22:17:48,977 INFO L226 Difference]: Without dead ends: 267 [2024-10-31 22:17:48,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:17:48,978 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 262 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:48,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 136 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:17:48,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-31 22:17:49,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 249. [2024-10-31 22:17:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 239 states have (on average 1.2552301255230125) internal successors, (300), 248 states have internal predecessors, (300), 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) [2024-10-31 22:17:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 300 transitions. [2024-10-31 22:17:49,012 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 300 transitions. Word has length 24 [2024-10-31 22:17:49,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:49,013 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 300 transitions. [2024-10-31 22:17:49,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 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) [2024-10-31 22:17:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 300 transitions. [2024-10-31 22:17:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-31 22:17:49,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:49,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:49,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:49,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:49,219 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:49,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:49,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1204211493, now seen corresponding path program 1 times [2024-10-31 22:17:49,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:49,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144389303] [2024-10-31 22:17:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:49,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144389303] [2024-10-31 22:17:49,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144389303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:49,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:49,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:49,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933808830] [2024-10-31 22:17:49,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:49,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:49,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:49,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:49,323 INFO L87 Difference]: Start difference. First operand 249 states and 300 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-31 22:17:49,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:49,433 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2024-10-31 22:17:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:49,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) Word has length 29 [2024-10-31 22:17:49,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:49,435 INFO L225 Difference]: With dead ends: 259 [2024-10-31 22:17:49,435 INFO L226 Difference]: Without dead ends: 255 [2024-10-31 22:17:49,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:49,436 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 44 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:49,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 94 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-31 22:17:49,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 245. [2024-10-31 22:17:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 239 states have (on average 1.200836820083682) internal successors, (287), 244 states have internal predecessors, (287), 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) [2024-10-31 22:17:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 287 transitions. [2024-10-31 22:17:49,462 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 287 transitions. Word has length 29 [2024-10-31 22:17:49,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:49,462 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 287 transitions. [2024-10-31 22:17:49,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-31 22:17:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 287 transitions. [2024-10-31 22:17:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:17:49,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:49,464 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:49,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:17:49,464 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:49,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:49,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1324149572, now seen corresponding path program 1 times [2024-10-31 22:17:49,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:49,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915556322] [2024-10-31 22:17:49,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:49,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:49,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:49,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915556322] [2024-10-31 22:17:49,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915556322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:49,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:49,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:49,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445542541] [2024-10-31 22:17:49,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:49,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:49,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:49,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:49,598 INFO L87 Difference]: Start difference. First operand 245 states and 287 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-10-31 22:17:49,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:49,715 INFO L93 Difference]: Finished difference Result 339 states and 394 transitions. [2024-10-31 22:17:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:49,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) Word has length 30 [2024-10-31 22:17:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:49,718 INFO L225 Difference]: With dead ends: 339 [2024-10-31 22:17:49,718 INFO L226 Difference]: Without dead ends: 336 [2024-10-31 22:17:49,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:49,719 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 47 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:49,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 88 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:49,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-31 22:17:49,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 325. [2024-10-31 22:17:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 319 states have (on average 1.1755485893416928) internal successors, (375), 324 states have internal predecessors, (375), 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) [2024-10-31 22:17:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 375 transitions. [2024-10-31 22:17:49,741 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 375 transitions. Word has length 30 [2024-10-31 22:17:49,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:49,742 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 375 transitions. [2024-10-31 22:17:49,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-10-31 22:17:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 375 transitions. [2024-10-31 22:17:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-31 22:17:49,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:49,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:49,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:17:49,748 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:49,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:49,749 INFO L85 PathProgramCache]: Analyzing trace with hash 669687119, now seen corresponding path program 1 times [2024-10-31 22:17:49,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:49,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247299651] [2024-10-31 22:17:49,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:49,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:49,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:49,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247299651] [2024-10-31 22:17:49,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247299651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:49,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:49,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:17:49,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171863609] [2024-10-31 22:17:49,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:49,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:17:49,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:49,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:17:49,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:49,904 INFO L87 Difference]: Start difference. First operand 325 states and 375 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-31 22:17:50,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:50,046 INFO L93 Difference]: Finished difference Result 429 states and 491 transitions. [2024-10-31 22:17:50,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:17:50,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) Word has length 36 [2024-10-31 22:17:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:50,048 INFO L225 Difference]: With dead ends: 429 [2024-10-31 22:17:50,048 INFO L226 Difference]: Without dead ends: 425 [2024-10-31 22:17:50,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:50,050 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 82 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:50,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 113 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:50,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-31 22:17:50,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 409. [2024-10-31 22:17:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 403 states have (on average 1.163771712158809) internal successors, (469), 408 states have internal predecessors, (469), 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) [2024-10-31 22:17:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 469 transitions. [2024-10-31 22:17:50,061 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 469 transitions. Word has length 36 [2024-10-31 22:17:50,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:50,062 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 469 transitions. [2024-10-31 22:17:50,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-31 22:17:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 469 transitions. [2024-10-31 22:17:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:17:50,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:50,064 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:50,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:17:50,064 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:50,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:50,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1055835999, now seen corresponding path program 1 times [2024-10-31 22:17:50,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:50,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123647418] [2024-10-31 22:17:50,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:50,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:17:50,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:50,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123647418] [2024-10-31 22:17:50,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123647418] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:50,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372553918] [2024-10-31 22:17:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:50,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:50,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:50,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:50,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:17:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:50,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:17:50,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:50,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:50,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372553918] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:50,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:50,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2024-10-31 22:17:50,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347146500] [2024-10-31 22:17:50,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:50,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:17:50,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:17:50,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:17:50,596 INFO L87 Difference]: Start difference. First operand 409 states and 469 transitions. Second operand has 13 states, 12 states have (on average 11.416666666666666) internal successors, (137), 13 states have internal predecessors, (137), 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) [2024-10-31 22:17:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:51,011 INFO L93 Difference]: Finished difference Result 522 states and 598 transitions. [2024-10-31 22:17:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:17:51,012 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.416666666666666) internal successors, (137), 13 states have internal predecessors, (137), 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) Word has length 48 [2024-10-31 22:17:51,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:51,016 INFO L225 Difference]: With dead ends: 522 [2024-10-31 22:17:51,016 INFO L226 Difference]: Without dead ends: 518 [2024-10-31 22:17:51,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=287, Unknown=0, NotChecked=0, Total=462 [2024-10-31 22:17:51,018 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 588 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:51,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 142 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:17:51,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-10-31 22:17:51,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 168. [2024-10-31 22:17:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 166 states have (on average 1.1204819277108433) internal successors, (186), 167 states have internal predecessors, (186), 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) [2024-10-31 22:17:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 186 transitions. [2024-10-31 22:17:51,027 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 186 transitions. Word has length 48 [2024-10-31 22:17:51,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:51,027 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 186 transitions. [2024-10-31 22:17:51,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.416666666666666) internal successors, (137), 13 states have internal predecessors, (137), 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) [2024-10-31 22:17:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 186 transitions. [2024-10-31 22:17:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 22:17:51,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:51,033 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:51,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:17:51,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:17:51,234 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:51,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:51,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1927215171, now seen corresponding path program 2 times [2024-10-31 22:17:51,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:51,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955337141] [2024-10-31 22:17:51,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:51,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-31 22:17:51,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:51,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955337141] [2024-10-31 22:17:51,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955337141] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:51,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989089428] [2024-10-31 22:17:51,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:17:51,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:51,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:51,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:51,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:17:51,433 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:17:51,434 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:17:51,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:17:51,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-31 22:17:51,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-31 22:17:51,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989089428] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:51,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:51,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-10-31 22:17:51,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189172920] [2024-10-31 22:17:51,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:51,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:51,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:51,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:51,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:51,700 INFO L87 Difference]: Start difference. First operand 168 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-10-31 22:17:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:51,756 INFO L93 Difference]: Finished difference Result 176 states and 198 transitions. [2024-10-31 22:17:51,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:51,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) Word has length 66 [2024-10-31 22:17:51,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:51,758 INFO L225 Difference]: With dead ends: 176 [2024-10-31 22:17:51,758 INFO L226 Difference]: Without dead ends: 175 [2024-10-31 22:17:51,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:51,760 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 58 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:51,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 42 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:51,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-31 22:17:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 133. [2024-10-31 22:17:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.128787878787879) internal successors, (149), 132 states have internal predecessors, (149), 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) [2024-10-31 22:17:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 149 transitions. [2024-10-31 22:17:51,765 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 149 transitions. Word has length 66 [2024-10-31 22:17:51,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:51,766 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 149 transitions. [2024-10-31 22:17:51,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-10-31 22:17:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 149 transitions. [2024-10-31 22:17:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:17:51,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:51,768 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-31 22:17:51,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:51,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:51,969 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:51,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:51,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1504538462, now seen corresponding path program 1 times [2024-10-31 22:17:51,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:51,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87932433] [2024-10-31 22:17:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:17:52,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:52,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87932433] [2024-10-31 22:17:52,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87932433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:52,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:52,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:17:52,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338215084] [2024-10-31 22:17:52,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:52,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:52,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:52,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:52,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:52,111 INFO L87 Difference]: Start difference. First operand 133 states and 149 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-10-31 22:17:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:52,172 INFO L93 Difference]: Finished difference Result 295 states and 330 transitions. [2024-10-31 22:17:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:52,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) Word has length 74 [2024-10-31 22:17:52,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:52,173 INFO L225 Difference]: With dead ends: 295 [2024-10-31 22:17:52,173 INFO L226 Difference]: Without dead ends: 133 [2024-10-31 22:17:52,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:52,175 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:52,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-31 22:17:52,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-31 22:17:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.0681818181818181) internal successors, (141), 132 states have internal predecessors, (141), 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) [2024-10-31 22:17:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2024-10-31 22:17:52,181 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 74 [2024-10-31 22:17:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:52,181 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2024-10-31 22:17:52,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-10-31 22:17:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2024-10-31 22:17:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 22:17:52,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:52,183 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:52,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:17:52,183 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:52,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:52,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1646058130, now seen corresponding path program 1 times [2024-10-31 22:17:52,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:52,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307753014] [2024-10-31 22:17:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:52,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:52,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307753014] [2024-10-31 22:17:52,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307753014] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:52,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955400268] [2024-10-31 22:17:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:52,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:52,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:52,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:52,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:17:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:52,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:17:52,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:52,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:52,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955400268] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:52,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:52,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-31 22:17:52,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450660361] [2024-10-31 22:17:52,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:52,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:17:52,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:17:52,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:17:52,907 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 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) [2024-10-31 22:17:53,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:53,319 INFO L93 Difference]: Finished difference Result 408 states and 434 transitions. [2024-10-31 22:17:53,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:17:53,320 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 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) Word has length 81 [2024-10-31 22:17:53,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:53,321 INFO L225 Difference]: With dead ends: 408 [2024-10-31 22:17:53,322 INFO L226 Difference]: Without dead ends: 407 [2024-10-31 22:17:53,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:17:53,324 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 279 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:53,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 243 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:17:53,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-31 22:17:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 373. [2024-10-31 22:17:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 1.0564516129032258) internal successors, (393), 372 states have internal predecessors, (393), 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) [2024-10-31 22:17:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 393 transitions. [2024-10-31 22:17:53,333 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 393 transitions. Word has length 81 [2024-10-31 22:17:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:53,333 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 393 transitions. [2024-10-31 22:17:53,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 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) [2024-10-31 22:17:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 393 transitions. [2024-10-31 22:17:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-31 22:17:53,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:53,339 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:53,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:17:53,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-31 22:17:53,540 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-10-31 22:17:53,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash -684508633, now seen corresponding path program 2 times [2024-10-31 22:17:53,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:53,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183502575] [2024-10-31 22:17:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:53,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:54,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:54,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183502575] [2024-10-31 22:17:54,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183502575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:54,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025526402] [2024-10-31 22:17:54,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:17:54,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:54,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,261 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:17:54,395 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:17:54,395 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:17:54,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:54,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-10-31 22:17:54,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-10-31 22:17:55,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025526402] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:55,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:55,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 15 [2024-10-31 22:17:55,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655805078] [2024-10-31 22:17:55,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:55,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-31 22:17:55,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:55,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-31 22:17:55,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:17:55,148 INFO L87 Difference]: Start difference. First operand 373 states and 393 transitions. Second operand has 16 states, 15 states have (on average 15.8) internal successors, (237), 16 states have internal predecessors, (237), 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) [2024-10-31 22:17:55,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:55,795 INFO L93 Difference]: Finished difference Result 493 states and 520 transitions. [2024-10-31 22:17:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-31 22:17:55,796 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 15.8) internal successors, (237), 16 states have internal predecessors, (237), 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) Word has length 171 [2024-10-31 22:17:55,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:55,797 INFO L225 Difference]: With dead ends: 493 [2024-10-31 22:17:55,797 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:17:55,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 336 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2024-10-31 22:17:55,799 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 396 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:55,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 274 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:17:55,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:17:55,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:17:55,800 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) [2024-10-31 22:17:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:17:55,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2024-10-31 22:17:55,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:55,801 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:55,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 15.8) internal successors, (237), 16 states have internal predecessors, (237), 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) [2024-10-31 22:17:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:17:55,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:17:55,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-10-31 22:17:55,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-10-31 22:17:55,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-10-31 22:17:55,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-10-31 22:17:55,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-10-31 22:17:55,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-10-31 22:17:55,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-10-31 22:17:55,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-10-31 22:17:55,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2024-10-31 22:17:55,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2024-10-31 22:17:55,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2024-10-31 22:17:55,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2024-10-31 22:17:55,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-10-31 22:17:55,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-10-31 22:17:55,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-10-31 22:17:55,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-10-31 22:17:55,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-10-31 22:17:55,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-10-31 22:17:55,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-10-31 22:17:55,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-10-31 22:17:55,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:56,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-31 22:17:56,012 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:56,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:17:56,060 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:17:56,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:17:56 BoogieIcfgContainer [2024-10-31 22:17:56,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:17:56,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:17:56,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:17:56,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:17:56,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:46" (3/4) ... [2024-10-31 22:17:56,090 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:17:56,095 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2024-10-31 22:17:56,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-31 22:17:56,106 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:17:56,106 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:17:56,106 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:17:56,231 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:17:56,231 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:17:56,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:17:56,232 INFO L158 Benchmark]: Toolchain (without parser) took 10792.44ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 112.2MB in the beginning and 129.7MB in the end (delta: -17.4MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,232 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 151.0MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:56,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.45ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 98.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.26ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,233 INFO L158 Benchmark]: Boogie Preprocessor took 70.28ms. Allocated memory is still 151.0MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,234 INFO L158 Benchmark]: RCFGBuilder took 590.68ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 74.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,234 INFO L158 Benchmark]: TraceAbstraction took 9540.35ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 73.5MB in the beginning and 137.0MB in the end (delta: -63.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,234 INFO L158 Benchmark]: Witness Printer took 146.70ms. Allocated memory is still 239.1MB. Free memory was 137.0MB in the beginning and 129.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:17:56,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 151.0MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.45ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 98.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.26ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.28ms. Allocated memory is still 151.0MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.68ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 74.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9540.35ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 73.5MB in the beginning and 137.0MB in the end (delta: -63.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 146.70ms. Allocated memory is still 239.1MB. Free memory was 137.0MB in the beginning and 129.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: 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 2 procedures, 103 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2031 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2031 mSDsluCounter, 1613 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 990 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1288 IncrementalHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 623 mSDtfsCounter, 1288 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 869 GetRequests, 784 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=9, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 491 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 835 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1395 ConstructedInterpolants, 0 QuantifiedInterpolants, 3917 SizeOfPredicates, 4 NumberOfNonLiveVariables, 768 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 816/1530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - ProcedureContractResult [Line: 4]: Procedure Contract for reach_error Derived contract for procedure reach_error. Ensures: (0 && ((__return_main == \old(__return_main)) && (__return_334 == \old(__return_334)))) RESULT: Ultimate proved your program to be correct! [2024-10-31 22:17:56,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f83030a-378c-4465-ba80-46d706ea6e4a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE