./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:20:37,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:20:37,397 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:20:37,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:20:37,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:20:37,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:20:37,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:20:37,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:20:37,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:20:37,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:20:37,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:20:37,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:20:37,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:20:37,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:20:37,474 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:20:37,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:20:37,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:20:37,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:20:37,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:20:37,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:20:37,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:20:37,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:20:37,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:20:37,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:20:37,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:20:37,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:20:37,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:20:37,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:20:37,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:20:37,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:20:37,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:20:37,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:20:37,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:20:37,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:20:37,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:20:37,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:20:37,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:20:37,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:20:37,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:20:37,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:20:37,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:20:37,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:20:37,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:20:37,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:20:37,487 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2024-10-11 21:20:37,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:20:37,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:20:37,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:20:37,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:20:37,733 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:20:37,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2024-10-11 21:20:39,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:20:39,299 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:20:39,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2024-10-11 21:20:39,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fcd701214/a75028564eeb47b1a77c2775c20c481f/FLAG2322da04e [2024-10-11 21:20:39,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fcd701214/a75028564eeb47b1a77c2775c20c481f [2024-10-11 21:20:39,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:20:39,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:20:39,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:20:39,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:20:39,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:20:39,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:20:39" (1/1) ... [2024-10-11 21:20:39,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4e19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:39, skipping insertion in model container [2024-10-11 21:20:39,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:20:39" (1/1) ... [2024-10-11 21:20:39,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:20:40,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:20:40,040 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:20:40,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:20:40,169 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:20:40,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40 WrapperNode [2024-10-11 21:20:40,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:20:40,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:20:40,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:20:40,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:20:40,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,229 INFO L138 Inliner]: procedures = 145, calls = 318, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 533 [2024-10-11 21:20:40,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:20:40,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:20:40,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:20:40,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:20:40,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,243 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,263 INFO L175 MemorySlicer]: Split 165 memory accesses to 18 slices as follows [2, 8, 5, 17, 8, 29, 21, 5, 7, 8, 0, 8, 6, 5, 5, 13, 13, 5]. 18 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 3, 0, 6, 3, 9, 9, 0, 3, 3, 0, 3, 2, 0, 0, 0, 0, 0]. The 41 writes are split as follows [0, 2, 1, 5, 2, 11, 6, 1, 2, 2, 0, 2, 2, 1, 1, 1, 1, 1]. [2024-10-11 21:20:40,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:20:40,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:20:40,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:20:40,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:20:40,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (1/1) ... [2024-10-11 21:20:40,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:20:40,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:40,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:20:40,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:20:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 21:20:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 21:20:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 21:20:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 21:20:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 21:20:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 21:20:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 21:20:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2024-10-11 21:20:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2024-10-11 21:20:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-10-11 21:20:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 21:20:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-10-11 21:20:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-10-11 21:20:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 21:20:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 21:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-10-11 21:20:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 21:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2024-10-11 21:20:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2024-10-11 21:20:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:20:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:20:40,584 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:20:40,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:20:45,097 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-10-11 21:20:45,097 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:20:45,161 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:20:45,161 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 21:20:45,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:20:45 BoogieIcfgContainer [2024-10-11 21:20:45,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:20:45,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:20:45,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:20:45,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:20:45,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:20:39" (1/3) ... [2024-10-11 21:20:45,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac6ed7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:20:45, skipping insertion in model container [2024-10-11 21:20:45,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:20:40" (2/3) ... [2024-10-11 21:20:45,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac6ed7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:20:45, skipping insertion in model container [2024-10-11 21:20:45,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:20:45" (3/3) ... [2024-10-11 21:20:45,167 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_time_var_mutex.i [2024-10-11 21:20:45,178 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:20:45,178 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 21:20:45,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:20:45,257 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;@1c12cf4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:20:45,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 21:20:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.423913043478261) internal successors, (131), 100 states have internal predecessors, (131), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 21:20:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 21:20:45,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:45,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 21:20:45,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:45,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash 12798491, now seen corresponding path program 1 times [2024-10-11 21:20:45,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:45,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759304461] [2024-10-11 21:20:45,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:45,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:20:45,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:45,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759304461] [2024-10-11 21:20:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759304461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:45,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:20:45,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:20:45,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851948010] [2024-10-11 21:20:45,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:45,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:20:45,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:45,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:20:45,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:20:45,592 INFO L87 Difference]: Start difference. First operand has 153 states, 92 states have (on average 1.423913043478261) internal successors, (131), 100 states have internal predecessors, (131), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:45,677 INFO L93 Difference]: Finished difference Result 303 states and 486 transitions. [2024-10-11 21:20:45,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:20:45,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-11 21:20:45,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:45,684 INFO L225 Difference]: With dead ends: 303 [2024-10-11 21:20:45,684 INFO L226 Difference]: Without dead ends: 15 [2024-10-11 21:20:45,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:20:45,694 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:45,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 599 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-10-11 21:20:45,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-11 21:20:45,712 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) [2024-10-11 21:20:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-10-11 21:20:45,714 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 4 [2024-10-11 21:20:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:45,714 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-10-11 21:20:45,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-10-11 21:20:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 21:20:45,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:45,715 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 21:20:45,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:20:45,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash -972033611, now seen corresponding path program 1 times [2024-10-11 21:20:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:45,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538937352] [2024-10-11 21:20:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:20:45,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:45,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538937352] [2024-10-11 21:20:45,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538937352] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:45,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436132065] [2024-10-11 21:20:45,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:45,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:45,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:45,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:45,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:20:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:46,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:20:46,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:20:46,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:46,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436132065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:46,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:46,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 21:20:46,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110674223] [2024-10-11 21:20:46,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:46,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:20:46,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:46,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:20:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:46,190 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:46,252 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-10-11 21:20:46,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:20:46,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2024-10-11 21:20:46,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:46,253 INFO L225 Difference]: With dead ends: 15 [2024-10-11 21:20:46,253 INFO L226 Difference]: Without dead ends: 14 [2024-10-11 21:20:46,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:46,254 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:46,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:20:46,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-10-11 21:20:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-11 21:20:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.3636363636363635) 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) [2024-10-11 21:20:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-10-11 21:20:46,257 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2024-10-11 21:20:46,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:46,257 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-10-11 21:20:46,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-10-11 21:20:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 21:20:46,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:46,258 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:46,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 21:20:46,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:46,463 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:46,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:46,463 INFO L85 PathProgramCache]: Analyzing trace with hash -68488619, now seen corresponding path program 1 times [2024-10-11 21:20:46,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:46,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527845189] [2024-10-11 21:20:46,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:20:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:46,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527845189] [2024-10-11 21:20:46,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527845189] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:46,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731889125] [2024-10-11 21:20:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:46,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:46,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:46,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:46,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:20:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:46,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:20:46,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:46,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:20:46,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:20:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:20:46,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731889125] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:20:46,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:20:46,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-11 21:20:46,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792978540] [2024-10-11 21:20:46,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:20:46,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:20:46,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:46,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:20:46,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:20:46,874 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:46,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:46,934 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-11 21:20:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:20:46,935 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 21:20:46,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:46,935 INFO L225 Difference]: With dead ends: 31 [2024-10-11 21:20:46,935 INFO L226 Difference]: Without dead ends: 18 [2024-10-11 21:20:46,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:20:46,936 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:46,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:20:46,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-11 21:20:46,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-11 21:20:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) 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) [2024-10-11 21:20:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-10-11 21:20:46,939 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 8 [2024-10-11 21:20:46,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:46,939 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-10-11 21:20:46,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-10-11 21:20:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 21:20:46,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:46,940 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1] [2024-10-11 21:20:46,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 21:20:47,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:47,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:47,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:47,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1963561042, now seen corresponding path program 1 times [2024-10-11 21:20:47,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:47,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65955782] [2024-10-11 21:20:47,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 21:20:47,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:47,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65955782] [2024-10-11 21:20:47,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65955782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:47,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:20:47,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:20:47,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463066069] [2024-10-11 21:20:47,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:47,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:20:47,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:47,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:20:47,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:20:47,323 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:47,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:47,381 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-10-11 21:20:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:47,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-11 21:20:47,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:47,383 INFO L225 Difference]: With dead ends: 18 [2024-10-11 21:20:47,383 INFO L226 Difference]: Without dead ends: 17 [2024-10-11 21:20:47,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:20:47,384 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:47,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:20:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-10-11 21:20:47,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-11 21:20:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2024-10-11 21:20:47,387 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2024-10-11 21:20:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:47,388 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2024-10-11 21:20:47,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-10-11 21:20:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 21:20:47,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:47,388 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1] [2024-10-11 21:20:47,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 21:20:47,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:47,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:47,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1007373291, now seen corresponding path program 2 times [2024-10-11 21:20:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:47,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561977094] [2024-10-11 21:20:47,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:47,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:20:47,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:47,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561977094] [2024-10-11 21:20:47,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561977094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:47,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:20:47,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:20:47,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723130412] [2024-10-11 21:20:47,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:47,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:20:47,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:47,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:20:47,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:20:47,480 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:47,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:47,530 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2024-10-11 21:20:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:20:47,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 21:20:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:47,531 INFO L225 Difference]: With dead ends: 33 [2024-10-11 21:20:47,531 INFO L226 Difference]: Without dead ends: 31 [2024-10-11 21:20:47,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:20:47,532 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:47,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-11 21:20:47,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-11 21:20:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-10-11 21:20:47,535 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 14 [2024-10-11 21:20:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:47,535 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-11 21:20:47,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-10-11 21:20:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 21:20:47,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:47,536 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 21:20:47,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 21:20:47,537 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:47,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash -357647620, now seen corresponding path program 1 times [2024-10-11 21:20:47,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:47,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55635781] [2024-10-11 21:20:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:20:47,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55635781] [2024-10-11 21:20:47,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55635781] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:47,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274437549] [2024-10-11 21:20:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:47,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:47,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:20:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:48,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:20:48,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:20:48,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:48,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274437549] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:48,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:48,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-11 21:20:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745281008] [2024-10-11 21:20:48,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:48,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:20:48,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:48,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:20:48,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:48,107 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2024-10-11 21:20:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:48,182 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2024-10-11 21:20:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:20:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 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) Word has length 28 [2024-10-11 21:20:48,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:48,183 INFO L225 Difference]: With dead ends: 31 [2024-10-11 21:20:48,183 INFO L226 Difference]: Without dead ends: 30 [2024-10-11 21:20:48,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:48,184 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:48,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:20:48,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-11 21:20:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-11 21:20:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.103448275862069) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:48,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2024-10-11 21:20:48,188 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 28 [2024-10-11 21:20:48,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:48,188 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2024-10-11 21:20:48,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2024-10-11 21:20:48,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-10-11 21:20:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 21:20:48,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:48,189 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1] [2024-10-11 21:20:48,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:20:48,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:48,392 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 21:20:48,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:48,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1797825881, now seen corresponding path program 1 times [2024-10-11 21:20:48,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:48,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130134859] [2024-10-11 21:20:48,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:48,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-11 21:20:48,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:48,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130134859] [2024-10-11 21:20:48,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130134859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:48,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:20:48,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:20:48,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524437524] [2024-10-11 21:20:48,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:48,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:20:48,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:48,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:20:48,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:20:48,511 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:48,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:48,550 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-10-11 21:20:48,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:20:48,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-10-11 21:20:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:48,551 INFO L225 Difference]: With dead ends: 30 [2024-10-11 21:20:48,551 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 21:20:48,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:20:48,552 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:48,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:48,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 21:20:48,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 21:20:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 21:20:48,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-10-11 21:20:48,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:48,553 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 21:20:48,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 21:20:48,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 21:20:48,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-11 21:20:48,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-11 21:20:48,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 21:20:48,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 21:20:48,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 21:20:48,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 21:20:48,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 21:20:48,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 21:20:48,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:20:48,559 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-10-11 21:20:48,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 21:20:48,729 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 21:20:48,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 09:20:48 BoogieIcfgContainer [2024-10-11 21:20:48,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 21:20:48,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 21:20:48,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 21:20:48,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 21:20:48,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:20:45" (3/4) ... [2024-10-11 21:20:48,750 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 21:20:48,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_destroy [2024-10-11 21:20:48,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2024-10-11 21:20:48,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 21:20:48,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2024-10-11 21:20:48,754 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 21:20:48,754 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2024-10-11 21:20:48,754 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_init [2024-10-11 21:20:48,762 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-10-11 21:20:48,763 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-11 21:20:48,764 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-11 21:20:48,765 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 21:20:48,766 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 21:20:48,957 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 21:20:48,961 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 21:20:48,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 21:20:48,962 INFO L158 Benchmark]: Toolchain (without parser) took 9262.08ms. Allocated memory was 218.1MB in the beginning and 293.6MB in the end (delta: 75.5MB). Free memory was 143.6MB in the beginning and 97.7MB in the end (delta: 45.9MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,963 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 109.1MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:20:48,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.45ms. Allocated memory is still 218.1MB. Free memory was 143.4MB in the beginning and 177.3MB in the end (delta: -33.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.54ms. Allocated memory is still 218.1MB. Free memory was 177.3MB in the beginning and 172.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,963 INFO L158 Benchmark]: Boogie Preprocessor took 66.09ms. Allocated memory is still 218.1MB. Free memory was 172.1MB in the beginning and 163.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,963 INFO L158 Benchmark]: RCFGBuilder took 4864.83ms. Allocated memory is still 218.1MB. Free memory was 163.7MB in the beginning and 170.2MB in the end (delta: -6.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,964 INFO L158 Benchmark]: TraceAbstraction took 3583.98ms. Allocated memory was 218.1MB in the beginning and 293.6MB in the end (delta: 75.5MB). Free memory was 170.2MB in the beginning and 110.3MB in the end (delta: 59.9MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,964 INFO L158 Benchmark]: Witness Printer took 214.79ms. Allocated memory is still 293.6MB. Free memory was 110.3MB in the beginning and 97.7MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 21:20:48,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 109.1MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.45ms. Allocated memory is still 218.1MB. Free memory was 143.4MB in the beginning and 177.3MB in the end (delta: -33.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.54ms. Allocated memory is still 218.1MB. Free memory was 177.3MB in the beginning and 172.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.09ms. Allocated memory is still 218.1MB. Free memory was 172.1MB in the beginning and 163.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4864.83ms. Allocated memory is still 218.1MB. Free memory was 163.7MB in the beginning and 170.2MB in the end (delta: -6.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3583.98ms. Allocated memory was 218.1MB in the beginning and 293.6MB in the end (delta: 75.5MB). Free memory was 170.2MB in the beginning and 110.3MB in the end (delta: 59.9MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. * Witness Printer took 214.79ms. Allocated memory is still 293.6MB. Free memory was 110.3MB in the beginning and 97.7MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: 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 8 procedures, 153 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 709 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 473 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 236 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1551 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 170/212 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: 787]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 793]: 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))) RESULT: Ultimate proved your program to be correct! [2024-10-11 21:20:49,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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