./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.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_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/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_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/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_2141fb23-20df-4b81-992b-3726e83e3a93/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 c60dc3ce59c2c65912da9b7b458247bdc42b4524b29b39bec7ce63758c18c031 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:51,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:51,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:14:51,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:51,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:51,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:51,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:51,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:51,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:51,458 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:51,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:51,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:51,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:51,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:51,465 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:51,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:51,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:51,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:51,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:51,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:51,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:51,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:51,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:51,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:51,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:51,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:14:51,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:14:51,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:51,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:51,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:51,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:51,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:51,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:51,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:51,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:51,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:51,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:51,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:51,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:51,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:51,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:51,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:51,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:51,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:51,476 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_2141fb23-20df-4b81-992b-3726e83e3a93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60dc3ce59c2c65912da9b7b458247bdc42b4524b29b39bec7ce63758c18c031 [2024-10-31 22:14:51,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:51,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:51,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:51,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:51,790 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:51,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c Unable to find full path for "g++" [2024-10-31 22:14:53,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:54,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:54,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c [2024-10-31 22:14:54,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/data/98ea00215/c1fc71d2c7ee4e82bd4bd41e0f50be6c/FLAG8f9ccf3e8 [2024-10-31 22:14:54,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/data/98ea00215/c1fc71d2c7ee4e82bd4bd41e0f50be6c [2024-10-31 22:14:54,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:54,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:54,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:54,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:54,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:54,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54, skipping insertion in model container [2024-10-31 22:14:54,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:54,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:54,746 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:54,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:54,783 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:54,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54 WrapperNode [2024-10-31 22:14:54,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:54,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:54,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:54,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:54,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,829 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-10-31 22:14:54,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:54,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:54,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:54,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:54,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,846 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,859 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 1 writes are split as follows [0, 1]. [2024-10-31 22:14:54,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:54,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:54,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:54,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:54,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (1/1) ... [2024-10-31 22:14:54,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:54,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:54,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:54,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:14:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:14:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:14:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:14:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:14:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:14:55,048 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:55,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:55,231 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:55,231 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:55,244 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:55,245 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:14:55,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:55 BoogieIcfgContainer [2024-10-31 22:14:55,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:55,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:55,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:55,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:55,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:54" (1/3) ... [2024-10-31 22:14:55,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4381bdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:55, skipping insertion in model container [2024-10-31 22:14:55,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:54" (2/3) ... [2024-10-31 22:14:55,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4381bdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:55, skipping insertion in model container [2024-10-31 22:14:55,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:55" (3/3) ... [2024-10-31 22:14:55,255 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength5.c [2024-10-31 22:14:55,275 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:55,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-31 22:14:55,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:55,336 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;@7b326239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:55,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-31 22:14:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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 22:14:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:14:55,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:55,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:14:55,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:55,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:55,352 INFO L85 PathProgramCache]: Analyzing trace with hash 889666572, now seen corresponding path program 1 times [2024-10-31 22:14:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687034413] [2024-10-31 22:14:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:55,675 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 22:14:55,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:55,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687034413] [2024-10-31 22:14:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687034413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:55,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:55,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:14:55,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12409399] [2024-10-31 22:14:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:55,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:14:55,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:55,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:55,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:55,709 INFO L87 Difference]: Start difference. First operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 22:14:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:55,799 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2024-10-31 22:14:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:14:55,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2024-10-31 22:14:55,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:55,809 INFO L225 Difference]: With dead ends: 64 [2024-10-31 22:14:55,810 INFO L226 Difference]: Without dead ends: 32 [2024-10-31 22:14:55,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 22:14:55,816 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:55,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 62 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:14:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-31 22:14:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2024-10-31 22:14:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 25 states have internal predecessors, (28), 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 22:14:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-10-31 22:14:55,853 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 6 [2024-10-31 22:14:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:55,853 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-10-31 22:14:55,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 22:14:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-10-31 22:14:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:14:55,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:55,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:55,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:14:55,855 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:55,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:55,856 INFO L85 PathProgramCache]: Analyzing trace with hash 269484748, now seen corresponding path program 1 times [2024-10-31 22:14:55,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:55,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927101749] [2024-10-31 22:14:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:55,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:55,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:55,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927101749] [2024-10-31 22:14:55,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927101749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:55,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:55,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:55,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864537774] [2024-10-31 22:14:55,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:55,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:14:55,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:55,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:55,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:55,958 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 22:14:56,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:56,013 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-10-31 22:14:56,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:14:56,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-10-31 22:14:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:56,015 INFO L225 Difference]: With dead ends: 36 [2024-10-31 22:14:56,015 INFO L226 Difference]: Without dead ends: 34 [2024-10-31 22:14:56,016 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 22:14:56,018 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:56,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:14:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-31 22:14:56,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-10-31 22:14:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 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 22:14:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-10-31 22:14:56,028 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 8 [2024-10-31 22:14:56,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:56,029 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-31 22:14:56,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 22:14:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-10-31 22:14:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:14:56,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:56,032 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:56,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:14:56,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:56,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:56,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1131599168, now seen corresponding path program 1 times [2024-10-31 22:14:56,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:56,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922279973] [2024-10-31 22:14:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:56,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:56,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922279973] [2024-10-31 22:14:56,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922279973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:56,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:56,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333058513] [2024-10-31 22:14:56,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:56,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:14:56,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:56,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:56,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:56,235 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 22:14:56,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:56,272 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-10-31 22:14:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:14:56,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-10-31 22:14:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:56,274 INFO L225 Difference]: With dead ends: 38 [2024-10-31 22:14:56,274 INFO L226 Difference]: Without dead ends: 36 [2024-10-31 22:14:56,275 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 22:14:56,276 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:56,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 54 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:14:56,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-31 22:14:56,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-10-31 22:14:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 states have internal predecessors, (38), 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 22:14:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2024-10-31 22:14:56,283 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 13 [2024-10-31 22:14:56,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:56,283 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-10-31 22:14:56,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 22:14:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-10-31 22:14:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 22:14:56,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:56,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:56,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:14:56,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:56,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash 804002367, now seen corresponding path program 1 times [2024-10-31 22:14:56,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:56,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292316958] [2024-10-31 22:14:56,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:56,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:56,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:56,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292316958] [2024-10-31 22:14:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292316958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:56,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:56,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689293828] [2024-10-31 22:14:56,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:56,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:14:56,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:56,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:56,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:56,450 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22:14:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:56,526 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-10-31 22:14:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:14:56,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-10-31 22:14:56,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:56,528 INFO L225 Difference]: With dead ends: 42 [2024-10-31 22:14:56,530 INFO L226 Difference]: Without dead ends: 40 [2024-10-31 22:14:56,530 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 22:14:56,532 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 5 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:56,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:14:56,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-31 22:14:56,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-31 22:14:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 39 states have internal predecessors, (43), 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 22:14:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2024-10-31 22:14:56,549 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 15 [2024-10-31 22:14:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:56,549 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-10-31 22:14:56,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22:14:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2024-10-31 22:14:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 22:14:56,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:56,550 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 22:14:56,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:14:56,552 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:56,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 838475520, now seen corresponding path program 1 times [2024-10-31 22:14:56,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:56,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762521618] [2024-10-31 22:14:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:56,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:56,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762521618] [2024-10-31 22:14:56,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762521618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:14:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855286351] [2024-10-31 22:14:56,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:56,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:56,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:56,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:14:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:56,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:14:56,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:57,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:14:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:57,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855286351] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:14:57,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:14:57,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 10 [2024-10-31 22:14:57,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541027172] [2024-10-31 22:14:57,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:14:57,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:14:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:57,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:14:57,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:14:57,115 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 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 22:14:57,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:57,307 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2024-10-31 22:14:57,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:14:57,308 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 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 15 [2024-10-31 22:14:57,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:57,308 INFO L225 Difference]: With dead ends: 70 [2024-10-31 22:14:57,308 INFO L226 Difference]: Without dead ends: 39 [2024-10-31 22:14:57,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:14:57,310 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:57,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 83 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:14:57,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-31 22:14:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-10-31 22:14:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 38 states have internal predecessors, (41), 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 22:14:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-10-31 22:14:57,321 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 15 [2024-10-31 22:14:57,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:57,321 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-10-31 22:14:57,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 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 22:14:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-10-31 22:14:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:14:57,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:57,322 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:57,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:57,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:57,523 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:57,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:57,524 INFO L85 PathProgramCache]: Analyzing trace with hash -140543044, now seen corresponding path program 1 times [2024-10-31 22:14:57,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:57,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943100542] [2024-10-31 22:14:57,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:57,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:57,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943100542] [2024-10-31 22:14:57,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943100542] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:14:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226572381] [2024-10-31 22:14:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:57,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:57,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:57,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:57,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:14:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:57,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:14:57,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:57,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:14:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:57,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226572381] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:14:57,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:14:57,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-10-31 22:14:57,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249617957] [2024-10-31 22:14:57,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:14:57,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-31 22:14:57,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:57,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 22:14:57,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:14:57,998 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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 22:14:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:58,312 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2024-10-31 22:14:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:14:58,312 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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 22:14:58,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:58,313 INFO L225 Difference]: With dead ends: 77 [2024-10-31 22:14:58,313 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 22:14:58,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2024-10-31 22:14:58,316 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 16 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:58,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 75 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:14:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 22:14:58,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2024-10-31 22:14:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 40 states have (on average 1.175) internal successors, (47), 43 states have internal predecessors, (47), 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 22:14:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2024-10-31 22:14:58,327 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 17 [2024-10-31 22:14:58,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:58,328 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2024-10-31 22:14:58,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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 22:14:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2024-10-31 22:14:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 22:14:58,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:58,329 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:58,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:58,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-31 22:14:58,530 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:58,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1304654107, now seen corresponding path program 1 times [2024-10-31 22:14:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:58,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064058246] [2024-10-31 22:14:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:58,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:58,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064058246] [2024-10-31 22:14:58,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064058246] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:14:58,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748973004] [2024-10-31 22:14:58,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:58,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:58,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:58,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:58,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:14:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:58,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:14:58,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:58,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:14:58,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748973004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:58,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:14:58,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-31 22:14:58,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122033241] [2024-10-31 22:14:58,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:58,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:14:58,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:58,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:14:58,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:14:58,878 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 22:14:58,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:58,941 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2024-10-31 22:14:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:14:58,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2024-10-31 22:14:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:58,943 INFO L225 Difference]: With dead ends: 44 [2024-10-31 22:14:58,943 INFO L226 Difference]: Without dead ends: 43 [2024-10-31 22:14:58,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:14:58,944 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:58,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:14:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-31 22:14:58,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-31 22:14:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 40 states have (on average 1.15) internal successors, (46), 42 states have internal predecessors, (46), 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 22:14:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2024-10-31 22:14:58,951 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 20 [2024-10-31 22:14:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:58,952 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2024-10-31 22:14:58,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 22:14:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2024-10-31 22:14:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 22:14:58,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:58,953 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:58,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:14:59,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-31 22:14:59,155 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:59,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 625719622, now seen corresponding path program 1 times [2024-10-31 22:14:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745441374] [2024-10-31 22:14:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:59,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:59,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745441374] [2024-10-31 22:14:59,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745441374] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:14:59,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469035911] [2024-10-31 22:14:59,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:59,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:59,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:14:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:59,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:14:59,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:59,459 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:14:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:59,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469035911] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:14:59,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:14:59,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-31 22:14:59,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723228487] [2024-10-31 22:14:59,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:14:59,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:14:59,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:59,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:14:59,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:14:59,563 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 13 states, 12 states have (on average 4.416666666666667) internal successors, (53), 13 states have internal predecessors, (53), 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 22:14:59,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:59,689 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2024-10-31 22:14:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:14:59,690 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.416666666666667) internal successors, (53), 13 states have internal predecessors, (53), 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 20 [2024-10-31 22:14:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:59,690 INFO L225 Difference]: With dead ends: 49 [2024-10-31 22:14:59,691 INFO L226 Difference]: Without dead ends: 48 [2024-10-31 22:14:59,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:14:59,692 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:59,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 71 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:14:59,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-31 22:14:59,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2024-10-31 22:14:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.125) internal successors, (45), 41 states have internal predecessors, (45), 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 22:14:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2024-10-31 22:14:59,699 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 20 [2024-10-31 22:14:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:59,699 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2024-10-31 22:14:59,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.416666666666667) internal successors, (53), 13 states have internal predecessors, (53), 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 22:14:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-10-31 22:14:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:14:59,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:59,700 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:59,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:14:59,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:59,901 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:14:59,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:59,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1789571562, now seen corresponding path program 1 times [2024-10-31 22:14:59,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:59,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930365687] [2024-10-31 22:14:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:59,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:14:59,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:59,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930365687] [2024-10-31 22:14:59,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930365687] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:14:59,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135164302] [2024-10-31 22:14:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:59,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:59,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:59,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:15:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:00,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:15:00,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:15:00,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:15:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:15:00,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135164302] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:15:00,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:15:00,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-31 22:15:00,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453598318] [2024-10-31 22:15:00,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:15:00,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:15:00,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:00,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:15:00,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:15:00,161 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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 22:15:00,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:00,230 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2024-10-31 22:15:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:15:00,231 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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 21 [2024-10-31 22:15:00,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:00,231 INFO L225 Difference]: With dead ends: 48 [2024-10-31 22:15:00,231 INFO L226 Difference]: Without dead ends: 30 [2024-10-31 22:15:00,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:15:00,232 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:00,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 79 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:15:00,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-31 22:15:00,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-31 22:15:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 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 22:15:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2024-10-31 22:15:00,242 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 21 [2024-10-31 22:15:00,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:00,242 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2024-10-31 22:15:00,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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 22:15:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2024-10-31 22:15:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-31 22:15:00,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:00,243 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-31 22:15:00,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:15:00,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:00,446 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:15:00,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:00,447 INFO L85 PathProgramCache]: Analyzing trace with hash -745131094, now seen corresponding path program 1 times [2024-10-31 22:15:00,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:00,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380417159] [2024-10-31 22:15:00,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:00,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:15:00,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:00,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380417159] [2024-10-31 22:15:00,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380417159] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:00,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32033788] [2024-10-31 22:15:00,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:00,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:00,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:00,653 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:00,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:15:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:00,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:15:00,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:15:00,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:15:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:15:00,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32033788] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:15:00,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:15:00,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-31 22:15:00,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703813204] [2024-10-31 22:15:00,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:15:00,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:15:00,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:00,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:15:00,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:15:00,852 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 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 22:15:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:00,926 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2024-10-31 22:15:00,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:15:00,927 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 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 29 [2024-10-31 22:15:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:00,929 INFO L225 Difference]: With dead ends: 46 [2024-10-31 22:15:00,929 INFO L226 Difference]: Without dead ends: 45 [2024-10-31 22:15:00,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:15:00,934 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:00,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:15:00,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-31 22:15:00,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2024-10-31 22:15:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 41 states have internal predecessors, (46), 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 22:15:00,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2024-10-31 22:15:00,946 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 29 [2024-10-31 22:15:00,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:00,947 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2024-10-31 22:15:00,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 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 22:15:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2024-10-31 22:15:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 22:15:00,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:00,948 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-31 22:15:00,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:15:01,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:15:01,150 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:15:01,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:01,151 INFO L85 PathProgramCache]: Analyzing trace with hash 909367990, now seen corresponding path program 2 times [2024-10-31 22:15:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:01,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875107438] [2024-10-31 22:15:01,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:01,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-31 22:15:01,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:01,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875107438] [2024-10-31 22:15:01,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875107438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:01,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028451923] [2024-10-31 22:15:01,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:15:01,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:01,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:01,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:01,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:15:01,655 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:15:01,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:15:01,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:15:01,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-31 22:15:01,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:15:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-31 22:15:02,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028451923] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:15:02,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:15:02,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2024-10-31 22:15:02,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951555664] [2024-10-31 22:15:02,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:15:02,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-31 22:15:02,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-31 22:15:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2024-10-31 22:15:02,023 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 21 states, 20 states have (on average 3.55) internal successors, (71), 21 states have internal predecessors, (71), 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 22:15:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:02,430 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2024-10-31 22:15:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-31 22:15:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.55) internal successors, (71), 21 states have internal predecessors, (71), 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 41 [2024-10-31 22:15:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:02,432 INFO L225 Difference]: With dead ends: 72 [2024-10-31 22:15:02,432 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:15:02,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=284, Invalid=1048, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:15:02,434 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 23 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:02,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 17 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:15:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:15:02,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:15:02,436 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 22:15:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:15:02,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-10-31 22:15:02,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:02,437 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:15:02,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.55) internal successors, (71), 21 states have internal predecessors, (71), 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 22:15:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:15:02,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:15:02,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-31 22:15:02,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-31 22:15:02,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-31 22:15:02,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-31 22:15:02,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-31 22:15:02,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-31 22:15:02,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:15:02,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 22:15:02,652 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:02,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:15:02,861 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:15:02,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:15:02 BoogieIcfgContainer [2024-10-31 22:15:02,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:15:02,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:15:02,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:15:02,887 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:15:02,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:55" (3/4) ... [2024-10-31 22:15:02,890 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:15:02,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-31 22:15:02,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:15:02,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:15:02,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:15:03,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:15:03,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:15:03,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:15:03,012 INFO L158 Benchmark]: Toolchain (without parser) took 8542.79ms. Allocated memory was 209.7MB in the beginning and 260.0MB in the end (delta: 50.3MB). Free memory was 170.0MB in the beginning and 155.5MB in the end (delta: 14.5MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-10-31 22:15:03,012 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 104.9MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:03,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.39ms. Allocated memory is still 209.7MB. Free memory was 170.0MB in the beginning and 157.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:15:03,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.94ms. Allocated memory is still 209.7MB. Free memory was 157.4MB in the beginning and 156.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:03,013 INFO L158 Benchmark]: Boogie Preprocessor took 49.13ms. Allocated memory is still 209.7MB. Free memory was 156.3MB in the beginning and 154.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:03,013 INFO L158 Benchmark]: RCFGBuilder took 364.87ms. Allocated memory is still 209.7MB. Free memory was 154.3MB in the beginning and 141.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:15:03,014 INFO L158 Benchmark]: TraceAbstraction took 7637.59ms. Allocated memory was 209.7MB in the beginning and 260.0MB in the end (delta: 50.3MB). Free memory was 140.7MB in the beginning and 160.7MB in the end (delta: -20.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-10-31 22:15:03,014 INFO L158 Benchmark]: Witness Printer took 125.19ms. Allocated memory is still 260.0MB. Free memory was 159.7MB in the beginning and 155.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:15:03,016 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 104.9MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.39ms. Allocated memory is still 209.7MB. Free memory was 170.0MB in the beginning and 157.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.94ms. Allocated memory is still 209.7MB. Free memory was 157.4MB in the beginning and 156.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.13ms. Allocated memory is still 209.7MB. Free memory was 156.3MB in the beginning and 154.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.87ms. Allocated memory is still 209.7MB. Free memory was 154.3MB in the beginning and 141.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7637.59ms. Allocated memory was 209.7MB in the beginning and 260.0MB in the end (delta: 50.3MB). Free memory was 140.7MB in the beginning and 160.7MB in the end (delta: -20.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 125.19ms. Allocated memory is still 260.0MB. Free memory was 159.7MB in the beginning and 155.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: 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 1 procedures, 29 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 612 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 461 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 837 IncrementalHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 151 mSDtfsCounter, 837 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 258 SyntacticMatches, 6 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=6, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 487 ConstructedInterpolants, 0 QuantifiedInterpolants, 1207 SizeOfPredicates, 7 NumberOfNonLiveVariables, 787 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 190/418 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 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (((((i == 0) && (size == 0)) && (i == 0)) || (((((size <= 2147483647) && (1 <= i)) && (i == 0)) && (1 <= size)) && (i <= 2147483645))) || ((((size <= 2147483647) && (1 <= i)) && (1 <= i)) && (i <= 2147483645))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483646) && (1 <= i))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483646) && (1 <= i))) RESULT: Ultimate proved your program to be correct! [2024-10-31 22:15:03,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2141fb23-20df-4b81-992b-3726e83e3a93/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE