./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-pthread/cs_dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 14b6c4171d4b04e355b9ddd303f20c8b3e4e81d04535a1ef986d499534108e49 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:20:05,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:20:05,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:20:05,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:20:05,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:20:05,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:20:05,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:20:05,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:20:05,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:20:05,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:20:05,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:20:05,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:20:05,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:20:05,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:20:05,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:20:05,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:20:05,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:20:05,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:20:05,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:20:05,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:20:05,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:20:05,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:20:05,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:20:05,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:20:05,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:20:05,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:20:05,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:20:05,565 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:20:05,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:20:05,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:20:05,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:20:05,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:20:05,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:20:05,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:20:05,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:20:05,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:20:05,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:20:05,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:20:05,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:20:05,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:20:05,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:20:05,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:20:05,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:20:05,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:20:05,574 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14b6c4171d4b04e355b9ddd303f20c8b3e4e81d04535a1ef986d499534108e49 [2024-11-09 12:20:05,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:20:05,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:20:05,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:20:05,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:20:05,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:20:05,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_dekker.i [2024-11-09 12:20:07,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:20:07,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:20:07,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i [2024-11-09 12:20:07,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b4684fa/da163c9e15534714bd24700a6807cb61/FLAG60534d16d [2024-11-09 12:20:08,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b4684fa/da163c9e15534714bd24700a6807cb61 [2024-11-09 12:20:08,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:20:08,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:20:08,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:20:08,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:20:08,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:20:08,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793f435c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08, skipping insertion in model container [2024-11-09 12:20:08,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:20:08,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:20:08,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:20:08,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:20:08,729 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:20:08,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08 WrapperNode [2024-11-09 12:20:08,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:20:08,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:20:08,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:20:08,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:20:08,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,824 INFO L138 Inliner]: procedures = 145, calls = 310, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 469 [2024-11-09 12:20:08,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:20:08,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:20:08,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:20:08,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:20:08,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,878 INFO L175 MemorySlicer]: Split 158 memory accesses to 18 slices as follows [2, 5, 13, 8, 8, 8, 29, 21, 7, 7, 9, 7, 13, 5, 6, 5, 0, 5]. 18 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 0, 3, 3, 3, 9, 9, 3, 3, 3, 3, 0, 0, 2, 0, 0, 0]. The 39 writes are split as follows [0, 1, 1, 2, 2, 2, 11, 6, 2, 2, 2, 2, 1, 1, 2, 1, 0, 1]. [2024-11-09 12:20:08,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:20:08,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:20:08,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:20:08,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:20:08,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (1/1) ... [2024-11-09 12:20:08,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:20:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:08,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:20:09,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:20:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 12:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 12:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 12:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 12:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 12:20:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 12:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 12:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 12:20:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 12:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 12:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 12:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 12:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 12:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 12:20:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 12:20:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 12:20:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 12:20:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 12:20:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 12:20:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 12:20:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 12:20:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 12:20:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 12:20:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 12:20:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 12:20:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:20:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 12:20:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-09 12:20:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-09 12:20:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-09 12:20:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-09 12:20:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 12:20:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 12:20:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 12:20:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 12:20:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 12:20:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 12:20:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 12:20:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 12:20:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 12:20:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 12:20:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 12:20:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 12:20:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 12:20:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 12:20:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-09 12:20:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-09 12:20:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-09 12:20:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-09 12:20:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-09 12:20:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-09 12:20:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 12:20:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 12:20:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 12:20:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 12:20:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 12:20:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 12:20:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 12:20:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 12:20:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 12:20:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 12:20:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-09 12:20:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-09 12:20:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 12:20:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 12:20:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 12:20:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 12:20:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 12:20:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 12:20:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 12:20:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 12:20:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 12:20:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 12:20:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 12:20:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 12:20:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 12:20:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 12:20:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:20:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:20:09,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:20:09,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:20:14,211 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-09 12:20:14,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:20:14,231 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:20:14,233 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 12:20:14,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:14 BoogieIcfgContainer [2024-11-09 12:20:14,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:20:14,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:20:14,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:20:14,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:20:14,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:20:08" (1/3) ... [2024-11-09 12:20:14,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434f829b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:20:14, skipping insertion in model container [2024-11-09 12:20:14,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:08" (2/3) ... [2024-11-09 12:20:14,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434f829b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:20:14, skipping insertion in model container [2024-11-09 12:20:14,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:14" (3/3) ... [2024-11-09 12:20:14,245 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_dekker.i [2024-11-09 12:20:14,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:20:14,262 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 12:20:14,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:20:14,349 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;@6ab5e57f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:20:14,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 12:20:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 94 states have internal predecessors, (120), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 12:20:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:20:14,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:14,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:20:14,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:14,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:14,368 INFO L85 PathProgramCache]: Analyzing trace with hash -180696076, now seen corresponding path program 1 times [2024-11-09 12:20:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:14,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029710876] [2024-11-09 12:20:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:14,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:14,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:14,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029710876] [2024-11-09 12:20:14,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029710876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:14,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:14,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:20:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138021533] [2024-11-09 12:20:14,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:14,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:20:14,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:14,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:20:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:20:14,769 INFO L87 Difference]: Start difference. First operand has 135 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 94 states have internal predecessors, (120), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-09 12:20:14,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:14,827 INFO L93 Difference]: Finished difference Result 263 states and 410 transitions. [2024-11-09 12:20:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:20:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2024-11-09 12:20:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:14,835 INFO L225 Difference]: With dead ends: 263 [2024-11-09 12:20:14,835 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 12:20:14,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:20:14,847 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:14,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 12:20:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 12:20:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 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) [2024-11-09 12:20:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-09 12:20:14,876 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 6 [2024-11-09 12:20:14,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:14,877 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-09 12:20:14,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-09 12:20:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 12:20:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:20:14,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:14,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:20:14,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:20:14,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:14,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash -180705686, now seen corresponding path program 1 times [2024-11-09 12:20:14,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:14,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063343447] [2024-11-09 12:20:14,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:14,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:15,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:15,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063343447] [2024-11-09 12:20:15,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063343447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:15,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:15,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:15,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109909127] [2024-11-09 12:20:15,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:15,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:20:15,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:15,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:20:15,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:20:15,117 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-09 12:20:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:15,140 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-09 12:20:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:20:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2024-11-09 12:20:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:15,141 INFO L225 Difference]: With dead ends: 28 [2024-11-09 12:20:15,141 INFO L226 Difference]: Without dead ends: 16 [2024-11-09 12:20:15,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:20:15,143 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:15,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-09 12:20:15,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-09 12:20:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-09 12:20:15,147 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 6 [2024-11-09 12:20:15,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:15,147 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-09 12:20:15,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-09 12:20:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-09 12:20:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:20:15,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:15,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:20:15,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:20:15,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:15,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:15,149 INFO L85 PathProgramCache]: Analyzing trace with hash -180704020, now seen corresponding path program 1 times [2024-11-09 12:20:15,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:15,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96640816] [2024-11-09 12:20:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:15,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:15,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96640816] [2024-11-09 12:20:15,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96640816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:15,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:15,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:15,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436946367] [2024-11-09 12:20:15,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:15,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:15,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:15,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:15,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:15,362 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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) [2024-11-09 12:20:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:15,406 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-09 12:20:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:15,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) 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 [2024-11-09 12:20:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:15,408 INFO L225 Difference]: With dead ends: 20 [2024-11-09 12:20:15,408 INFO L226 Difference]: Without dead ends: 18 [2024-11-09 12:20:15,409 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 [2024-11-09 12:20:15,410 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:15,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 27 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:15,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-09 12:20:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-09 12:20:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-09 12:20:15,418 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2024-11-09 12:20:15,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:15,419 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-09 12:20:15,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) 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) [2024-11-09 12:20:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-09 12:20:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 12:20:15,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:15,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:15,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:20:15,423 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:15,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:15,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1297009190, now seen corresponding path program 1 times [2024-11-09 12:20:15,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:15,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339885972] [2024-11-09 12:20:15,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:15,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:15,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339885972] [2024-11-09 12:20:15,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339885972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:15,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417481602] [2024-11-09 12:20:15,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:15,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:15,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:15,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:20:15,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:20:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:15,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:20:15,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:16,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:20:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:16,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417481602] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:20:16,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:20:16,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-09 12:20:16,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095960457] [2024-11-09 12:20:16,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:20:16,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:20:16,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:20:16,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:16,108 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:16,214 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-11-09 12:20:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:20:16,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 10 [2024-11-09 12:20:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:16,215 INFO L225 Difference]: With dead ends: 39 [2024-11-09 12:20:16,215 INFO L226 Difference]: Without dead ends: 23 [2024-11-09 12:20:16,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:20:16,217 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:16,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 48 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-09 12:20:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-09 12:20:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-11-09 12:20:16,222 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2024-11-09 12:20:16,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:16,222 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-11-09 12:20:16,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-09 12:20:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 12:20:16,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:16,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:16,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:20:16,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:16,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:16,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1297010856, now seen corresponding path program 1 times [2024-11-09 12:20:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920951101] [2024-11-09 12:20:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:16,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:16,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920951101] [2024-11-09 12:20:16,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920951101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:16,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432913350] [2024-11-09 12:20:16,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:16,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:16,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:16,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:20:16,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:20:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:16,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:20:16,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:20:16,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:16,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432913350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:16,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:16,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 12:20:16,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461755046] [2024-11-09 12:20:16,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:16,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:20:16,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:16,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:20:16,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:20:16,932 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:16,983 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2024-11-09 12:20:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:20:16,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2024-11-09 12:20:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:16,985 INFO L225 Difference]: With dead ends: 23 [2024-11-09 12:20:16,985 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 12:20:16,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:20:16,987 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:16,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 12:20:16,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 12:20:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-09 12:20:16,994 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 10 [2024-11-09 12:20:16,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:16,994 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-09 12:20:16,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-09 12:20:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 12:20:16,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:16,995 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1] [2024-11-09 12:20:17,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:20:17,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:17,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:17,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash -345762113, now seen corresponding path program 1 times [2024-11-09 12:20:17,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:17,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622920941] [2024-11-09 12:20:17,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 12:20:17,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:17,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622920941] [2024-11-09 12:20:17,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622920941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:17,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:17,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:17,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751866722] [2024-11-09 12:20:17,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:17,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:17,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:17,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:17,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:17,355 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:17,378 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-09 12:20:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:17,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 [2024-11-09 12:20:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:17,379 INFO L225 Difference]: With dead ends: 22 [2024-11-09 12:20:17,379 INFO L226 Difference]: Without dead ends: 21 [2024-11-09 12:20:17,380 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 [2024-11-09 12:20:17,380 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:17,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:17,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-09 12:20:17,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-09 12:20:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-09 12:20:17,387 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 15 [2024-11-09 12:20:17,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:17,387 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-09 12:20:17,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-09 12:20:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 12:20:17,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:17,390 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:17,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:20:17,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:17,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:17,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1267378274, now seen corresponding path program 2 times [2024-11-09 12:20:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:17,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490423952] [2024-11-09 12:20:17,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 12:20:17,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:17,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490423952] [2024-11-09 12:20:17,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490423952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:17,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:17,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:17,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335496315] [2024-11-09 12:20:17,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:17,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:17,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:17,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:17,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:17,523 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:17,566 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2024-11-09 12:20:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:17,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 18 [2024-11-09 12:20:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:17,568 INFO L225 Difference]: With dead ends: 40 [2024-11-09 12:20:17,568 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 12:20:17,568 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 [2024-11-09 12:20:17,569 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:17,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:17,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 12:20:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 12:20:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2024-11-09 12:20:17,574 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2024-11-09 12:20:17,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:17,574 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2024-11-09 12:20:17,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2024-11-09 12:20:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:20:17,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:17,575 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:20:17,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:20:17,576 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:17,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:17,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1999940873, now seen corresponding path program 1 times [2024-11-09 12:20:17,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:17,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078008089] [2024-11-09 12:20:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 12:20:17,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078008089] [2024-11-09 12:20:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078008089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:20:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444121126] [2024-11-09 12:20:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:17,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:17,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:17,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:20:17,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:20:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:18,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:20:18,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:20:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 12:20:18,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:20:18,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444121126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:18,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:20:18,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 12:20:18,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825983938] [2024-11-09 12:20:18,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:18,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:20:18,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:20:18,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:20:18,359 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:18,437 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2024-11-09 12:20:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:20:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 35 [2024-11-09 12:20:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:18,439 INFO L225 Difference]: With dead ends: 38 [2024-11-09 12:20:18,439 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 12:20:18,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:20:18,440 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:18,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:20:18,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 12:20:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 12:20:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 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) [2024-11-09 12:20:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2024-11-09 12:20:18,445 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2024-11-09 12:20:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:18,446 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2024-11-09 12:20:18,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2024-11-09 12:20:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:20:18,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:18,447 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 12:20:18,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:20:18,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:20:18,651 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 12:20:18,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:18,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1868625090, now seen corresponding path program 1 times [2024-11-09 12:20:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:18,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108887136] [2024-11-09 12:20:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 12:20:18,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:18,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108887136] [2024-11-09 12:20:18,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108887136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:18,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:18,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:20:18,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402573034] [2024-11-09 12:20:18,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:18,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:20:18,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:18,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:20:18,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:20:18,816 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2024-11-09 12:20:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:18,848 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2024-11-09 12:20:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:20:18,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 36 [2024-11-09 12:20:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:18,849 INFO L225 Difference]: With dead ends: 37 [2024-11-09 12:20:18,849 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:20:18,850 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 [2024-11-09 12:20:18,850 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:18,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:18,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:20:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:20:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:20:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:20:18,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2024-11-09 12:20:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:18,851 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:20:18,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2024-11-09 12:20:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:20:18,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:20:18,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-09 12:20:18,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-09 12:20:18,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-09 12:20:18,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-09 12:20:18,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-09 12:20:18,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-09 12:20:18,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-09 12:20:18,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-09 12:20:18,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:20:18,861 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:20:18,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:20:18,989 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:20:19,011 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 12:20:19,012 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 12:20:19,012 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 12:20:19,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 12:20:19,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 12:20:19,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 12:20:19,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_allocated by function __CS_pthread_create [2024-11-09 12:20:19,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_born_round by function __CS_pthread_create [2024-11-09 12:20:19,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_status by function __CS_pthread_create [2024-11-09 12:20:19,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_lockedon by function __CS_pthread_create [2024-11-09 12:20:19,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag1 by function __CS_pthread_create [2024-11-09 12:20:19,019 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag2 by function __CS_pthread_create [2024-11-09 12:20:19,019 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable turn by function __CS_pthread_create [2024-11-09 12:20:19,019 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable x by function __CS_pthread_create [2024-11-09 12:20:19,019 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread by function __CS_pthread_create [2024-11-09 12:20:19,020 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 12:20:19,020 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 12:20:19,020 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 12:20:19,021 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 12:20:19,021 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 12:20:19,021 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 12:20:19,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:20:19 BoogieIcfgContainer [2024-11-09 12:20:19,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:20:19,025 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:20:19,025 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:20:19,025 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:20:19,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:14" (3/4) ... [2024-11-09 12:20:19,031 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:20:19,036 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2024-11-09 12:20:19,036 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-09 12:20:19,036 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2024-11-09 12:20:19,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 12:20:19,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2024-11-09 12:20:19,051 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-09 12:20:19,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 12:20:19,053 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 12:20:19,053 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 12:20:19,054 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:20:19,204 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:20:19,205 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:20:19,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:20:19,206 INFO L158 Benchmark]: Toolchain (without parser) took 11174.56ms. Allocated memory was 192.9MB in the beginning and 234.9MB in the end (delta: 41.9MB). Free memory was 161.0MB in the beginning and 72.0MB in the end (delta: 89.1MB). Peak memory consumption was 131.0MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,206 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 125.8MB. Free memory was 88.1MB in the beginning and 87.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:20:19,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.38ms. Allocated memory is still 192.9MB. Free memory was 161.0MB in the beginning and 130.8MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.86ms. Allocated memory is still 192.9MB. Free memory was 130.8MB in the beginning and 126.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,207 INFO L158 Benchmark]: Boogie Preprocessor took 132.51ms. Allocated memory is still 192.9MB. Free memory was 126.0MB in the beginning and 118.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,207 INFO L158 Benchmark]: RCFGBuilder took 5276.02ms. Allocated memory is still 192.9MB. Free memory was 118.3MB in the beginning and 113.3MB in the end (delta: 5.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,208 INFO L158 Benchmark]: TraceAbstraction took 4788.14ms. Allocated memory was 192.9MB in the beginning and 234.9MB in the end (delta: 41.9MB). Free memory was 112.2MB in the beginning and 82.5MB in the end (delta: 29.7MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,209 INFO L158 Benchmark]: Witness Printer took 180.03ms. Allocated memory is still 234.9MB. Free memory was 82.5MB in the beginning and 72.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 12:20:19,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 125.8MB. Free memory was 88.1MB in the beginning and 87.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.38ms. Allocated memory is still 192.9MB. Free memory was 161.0MB in the beginning and 130.8MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.86ms. Allocated memory is still 192.9MB. Free memory was 130.8MB in the beginning and 126.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.51ms. Allocated memory is still 192.9MB. Free memory was 126.0MB in the beginning and 118.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5276.02ms. Allocated memory is still 192.9MB. Free memory was 118.3MB in the beginning and 113.3MB in the end (delta: 5.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4788.14ms. Allocated memory was 192.9MB in the beginning and 234.9MB in the end (delta: 41.9MB). Free memory was 112.2MB in the beginning and 82.5MB in the end (delta: 29.7MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Witness Printer took 180.03ms. Allocated memory is still 234.9MB. Free memory was 82.5MB in the beginning and 72.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_allocated by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_born_round by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_status by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread_lockedon by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag1 by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable flag2 by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable turn by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable x by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable __CS_thread by function __CS_pthread_create - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: 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 6 procedures, 135 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 131 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 255 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1436 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 213/265 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (((((i == 0) && (j == 0)) || ((i == 0) && (1 <= j))) || (((1 <= i) && (i <= 2)) && (j == 0))) || (((1 <= i) && (i <= 2)) && (1 <= j))) - ProcedureContractResult [Line: 642]: Procedure Contract for __CS_pthread_join Derived contract for procedure __CS_pthread_join. Ensures: ((((((((((((((((((__CS_round == \old(__CS_round)) && (__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED))) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_thread_index == \old(__CS_thread_index))) && (__CS_thread_allocated == \old(__CS_thread_allocated))) && (__CS_thread_born_round == \old(__CS_thread_born_round))) && (__CS_thread_status == \old(__CS_thread_status))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_thread_lockedon == \old(__CS_thread_lockedon))) && (flag1 == \old(flag1))) && (flag2 == \old(flag2))) && (turn == \old(turn))) && (x == \old(x))) && (__CS_u == \old(__CS_u))) && (__CS_thread == \old(__CS_thread))) - ProcedureContractResult [Line: 664]: Procedure Contract for __CS_pthread_create Derived contract for procedure __CS_pthread_create. Ensures: ((((((((((__CS_round == \old(__CS_round)) && (__CS_ret == \old(__CS_ret))) && (__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED))) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_error == \old(__CS_error))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_u == \old(__CS_u))) - ProcedureContractResult [Line: 5]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((((((((__CS_round == \old(__CS_round)) && (__CS_ret == \old(__CS_ret))) && (__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED))) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_error == \old(__CS_error))) && (__CS_thread_index == \old(__CS_thread_index))) && (__CS_thread_allocated == \old(__CS_thread_allocated))) && (__CS_thread_born_round == \old(__CS_thread_born_round))) && (__CS_thread_status == \old(__CS_thread_status))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_thread_lockedon == \old(__CS_thread_lockedon))) && (flag1 == \old(flag1))) && (flag2 == \old(flag2))) && (turn == \old(turn))) && (x == \old(x))) && (__CS_u == \old(__CS_u))) && (__CS_thread == \old(__CS_thread))) - ProcedureContractResult [Line: 562]: Procedure Contract for __CS_cs Derived contract for procedure __CS_cs. Ensures: ((((((((((((((((((__CS_ret_PREEMPTED == \old(__CS_ret_PREEMPTED)) && (__CS_ret_ERROR == \old(__CS_ret_ERROR))) && (__CS_ret_FINISHED == \old(__CS_ret_FINISHED))) && (__CS_error == \old(__CS_error))) && (__CS_thread_index == \old(__CS_thread_index))) && (__CS_thread_allocated == \old(__CS_thread_allocated))) && (__CS_thread_born_round == \old(__CS_thread_born_round))) && (__CS_thread_status == \old(__CS_thread_status))) && (__THREAD_UNUSED == \old(__THREAD_UNUSED))) && (__THREAD_RUNNING == \old(__THREAD_RUNNING))) && (__THREAD_FINISHED == \old(__THREAD_FINISHED))) && (__CS_thread_lockedon == \old(__CS_thread_lockedon))) && (flag1 == \old(flag1))) && (flag2 == \old(flag2))) && (turn == \old(turn))) && (x == \old(x))) && (__CS_u == \old(__CS_u))) && (__CS_thread == \old(__CS_thread))) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:20:19,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE