./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-pthread/cs_lazy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_lazy.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:03:44,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:03:44,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 05:03:44,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:03:44,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:03:45,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:03:45,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:03:45,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:03:45,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:03:45,022 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:03:45,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:03:45,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:03:45,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:03:45,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:03:45,025 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:03:45,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:03:45,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:03:45,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 05:03:45,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 05:03:45,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 05:03:45,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:03:45,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:03:45,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:03:45,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:03:45,032 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:03:45,033 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:03:45,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:03:45,033 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 05:03:45,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:03:45,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:03:45,034 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:03:45,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:03:45,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:03:45,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:03:45,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:03:45,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:03:45,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:03:45,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:03:45,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 05:03:45,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 05:03:45,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:03:45,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:03:45,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:03:45,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:03:45,039 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f [2024-11-17 05:03:45,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:03:45,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:03:45,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:03:45,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:03:45,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:03:45,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_lazy.i [2024-11-17 05:03:46,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:03:47,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:03:47,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lazy.i [2024-11-17 05:03:47,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828449c35/61dc826f66de487fb6b7ceb7a0c60384/FLAG944dfc896 [2024-11-17 05:03:47,096 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828449c35/61dc826f66de487fb6b7ceb7a0c60384 [2024-11-17 05:03:47,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:03:47,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:03:47,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:03:47,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:03:47,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:03:47,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb3d1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47, skipping insertion in model container [2024-11-17 05:03:47,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:03:47,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:03:47,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:03:47,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:03:47,776 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:03:47,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47 WrapperNode [2024-11-17 05:03:47,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:03:47,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:03:47,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:03:47,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:03:47,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,871 INFO L138 Inliner]: procedures = 145, calls = 224, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 537 [2024-11-17 05:03:47,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:03:47,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:03:47,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:03:47,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:03:47,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,958 INFO L175 MemorySlicer]: Split 119 memory accesses to 14 slices as follows [2, 3, 10, 10, 10, 9, 0, 25, 16, 9, 3, 9, 8, 5]. 21 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 0, 4, 4, 4, 0, 0, 8, 8, 2, 0, 0, 2, 0]. The 32 writes are split as follows [0, 1, 2, 2, 2, 1, 0, 10, 4, 3, 1, 1, 3, 2]. [2024-11-17 05:03:47,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:47,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:48,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:48,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:48,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:48,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:48,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:03:48,045 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:03:48,045 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:03:48,045 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:03:48,046 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (1/1) ... [2024-11-17 05:03:48,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:03:48,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:48,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 05:03:48,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 05:03:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 05:03:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 05:03:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 05:03:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 05:03:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-17 05:03:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-17 05:03:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-17 05:03:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-17 05:03:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-17 05:03:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-17 05:03:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-17 05:03:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-17 05:03:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-17 05:03:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-17 05:03:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 05:03:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 05:03:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 05:03:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 05:03:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 05:03:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-17 05:03:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-17 05:03:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-17 05:03:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-17 05:03:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-17 05:03:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-17 05:03:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-17 05:03:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-17 05:03:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-17 05:03:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:03:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-17 05:03:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-17 05:03:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-17 05:03:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-17 05:03:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-17 05:03:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-17 05:03:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-17 05:03:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-17 05:03:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-17 05:03:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2024-11-17 05:03:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2024-11-17 05:03:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-17 05:03:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-17 05:03:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-17 05:03:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-17 05:03:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-17 05:03:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-17 05:03:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-17 05:03:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-17 05:03:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 05:03:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-17 05:03:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-17 05:03:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-17 05:03:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-17 05:03:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-17 05:03:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-17 05:03:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-17 05:03:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-17 05:03:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-17 05:03:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-17 05:03:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-17 05:03:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-17 05:03:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-17 05:03:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-17 05:03:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-17 05:03:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-17 05:03:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-17 05:03:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-17 05:03:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-17 05:03:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-17 05:03:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-17 05:03:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2024-11-17 05:03:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2024-11-17 05:03:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:03:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:03:48,420 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:03:48,423 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:03:48,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2024-11-17 05:03:48,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-17 05:03:48,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-2: SUMMARY for call __CS_cs(); srcloc: null [2024-11-17 05:03:48,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2024-11-17 05:03:48,820 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-17 05:03:48,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-2: SUMMARY for call __CS_cs(); srcloc: null [2024-11-17 05:03:48,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2024-11-17 05:03:48,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-17 05:03:48,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-2: SUMMARY for call __CS_cs(); srcloc: null [2024-11-17 05:03:49,225 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-17 05:03:49,226 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:03:49,247 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:03:49,248 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:03:49,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:03:49 BoogieIcfgContainer [2024-11-17 05:03:49,249 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:03:49,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:03:49,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:03:49,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:03:49,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:03:47" (1/3) ... [2024-11-17 05:03:49,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb3476f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:03:49, skipping insertion in model container [2024-11-17 05:03:49,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:03:47" (2/3) ... [2024-11-17 05:03:49,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb3476f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:03:49, skipping insertion in model container [2024-11-17 05:03:49,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:03:49" (3/3) ... [2024-11-17 05:03:49,258 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lazy.i [2024-11-17 05:03:49,275 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:03:49,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-17 05:03:49,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:03:49,363 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;@4394835, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:03:49,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-17 05:03:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 155 states have internal predecessors, (213), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-17 05:03:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 05:03:49,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:49,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:49,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:49,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:49,381 INFO L85 PathProgramCache]: Analyzing trace with hash 370128785, now seen corresponding path program 1 times [2024-11-17 05:03:49,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:49,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697747558] [2024-11-17 05:03:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:49,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:03:49,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:49,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697747558] [2024-11-17 05:03:49,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697747558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:03:49,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:03:49,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:03:49,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026320189] [2024-11-17 05:03:49,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:03:49,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:03:49,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:03:49,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:03:49,848 INFO L87 Difference]: Start difference. First operand has 199 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 155 states have internal predecessors, (213), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-17 05:03:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:49,940 INFO L93 Difference]: Finished difference Result 392 states and 608 transitions. [2024-11-17 05:03:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:03:49,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2024-11-17 05:03:49,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:49,952 INFO L225 Difference]: With dead ends: 392 [2024-11-17 05:03:49,953 INFO L226 Difference]: Without dead ends: 165 [2024-11-17 05:03:49,960 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 [2024-11-17 05:03:49,964 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 2 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:49,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 509 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:03:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-17 05:03:50,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2024-11-17 05:03:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 113 states have (on average 1.424778761061947) internal successors, (161), 121 states have internal predecessors, (161), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 234 transitions. [2024-11-17 05:03:50,032 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 234 transitions. Word has length 7 [2024-11-17 05:03:50,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:50,033 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 234 transitions. [2024-11-17 05:03:50,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-11-17 05:03:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 234 transitions. [2024-11-17 05:03:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 05:03:50,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:50,036 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:50,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 05:03:50,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:50,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1460362463, now seen corresponding path program 1 times [2024-11-17 05:03:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:50,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473385453] [2024-11-17 05:03:50,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:03:50,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:50,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473385453] [2024-11-17 05:03:50,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473385453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:03:50,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955947510] [2024-11-17 05:03:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:50,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:50,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:50,189 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:03:50,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 05:03:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:50,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 05:03:50,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:03:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:03:50,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:03:50,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955947510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:03:50,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:03:50,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 05:03:50,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239729649] [2024-11-17 05:03:50,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:03:50,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 05:03:50,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:50,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 05:03:50,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:50,484 INFO L87 Difference]: Start difference. First operand 164 states and 234 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:50,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:50,563 INFO L93 Difference]: Finished difference Result 165 states and 235 transitions. [2024-11-17 05:03:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 05:03:50,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-17 05:03:50,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:50,566 INFO L225 Difference]: With dead ends: 165 [2024-11-17 05:03:50,567 INFO L226 Difference]: Without dead ends: 164 [2024-11-17 05:03:50,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:50,568 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 2 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:50,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 444 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:03:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-17 05:03:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 163. [2024-11-17 05:03:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 113 states have (on average 1.415929203539823) internal successors, (160), 120 states have internal predecessors, (160), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 233 transitions. [2024-11-17 05:03:50,606 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 233 transitions. Word has length 12 [2024-11-17 05:03:50,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:50,606 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 233 transitions. [2024-11-17 05:03:50,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2024-11-17 05:03:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 05:03:50,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:50,609 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:50,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 05:03:50,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:50,814 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:50,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:50,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1973402123, now seen corresponding path program 1 times [2024-11-17 05:03:50,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:50,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203475360] [2024-11-17 05:03:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:03:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203475360] [2024-11-17 05:03:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203475360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:03:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863164914] [2024-11-17 05:03:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:50,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:50,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:03:50,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 05:03:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:51,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 05:03:51,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:03:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 05:03:51,306 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:03:51,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863164914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:03:51,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:03:51,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-17 05:03:51,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654190312] [2024-11-17 05:03:51,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:03:51,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:03:51,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:51,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:03:51,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:51,308 INFO L87 Difference]: Start difference. First operand 163 states and 233 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:51,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:51,420 INFO L93 Difference]: Finished difference Result 163 states and 233 transitions. [2024-11-17 05:03:51,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:03:51,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 05:03:51,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:51,422 INFO L225 Difference]: With dead ends: 163 [2024-11-17 05:03:51,423 INFO L226 Difference]: Without dead ends: 162 [2024-11-17 05:03:51,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:51,424 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 3 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:51,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 431 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 05:03:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-17 05:03:51,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-17 05:03:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 113 states have (on average 1.407079646017699) internal successors, (159), 119 states have internal predecessors, (159), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:51,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 232 transitions. [2024-11-17 05:03:51,437 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 232 transitions. Word has length 13 [2024-11-17 05:03:51,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:51,437 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 232 transitions. [2024-11-17 05:03:51,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2024-11-17 05:03:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 05:03:51,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:51,438 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:51,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 05:03:51,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-17 05:03:51,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:51,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1973404173, now seen corresponding path program 1 times [2024-11-17 05:03:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739846728] [2024-11-17 05:03:51,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 05:03:51,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:51,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739846728] [2024-11-17 05:03:51,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739846728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:03:51,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:03:51,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:03:51,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958249357] [2024-11-17 05:03:51,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:03:51,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:03:51,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:51,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:03:51,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:03:51,725 INFO L87 Difference]: Start difference. First operand 162 states and 232 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:51,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:51,755 INFO L93 Difference]: Finished difference Result 162 states and 232 transitions. [2024-11-17 05:03:51,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:03:51,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 05:03:51,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:51,758 INFO L225 Difference]: With dead ends: 162 [2024-11-17 05:03:51,758 INFO L226 Difference]: Without dead ends: 161 [2024-11-17 05:03:51,758 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 [2024-11-17 05:03:51,759 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 2 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:51,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 442 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:03:51,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-17 05:03:51,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2024-11-17 05:03:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 116 states have internal predecessors, (156), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2024-11-17 05:03:51,781 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 13 [2024-11-17 05:03:51,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:51,781 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2024-11-17 05:03:51,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2024-11-17 05:03:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 05:03:51,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:51,784 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:51,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 05:03:51,786 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:51,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:51,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1045923933, now seen corresponding path program 1 times [2024-11-17 05:03:51,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:51,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477212970] [2024-11-17 05:03:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:03:51,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477212970] [2024-11-17 05:03:51,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477212970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:03:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479817046] [2024-11-17 05:03:51,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:51,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:51,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:51,878 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:03:51,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 05:03:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:52,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 05:03:52,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:03:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 05:03:52,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:03:52,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479817046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:03:52,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:03:52,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-17 05:03:52,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117695378] [2024-11-17 05:03:52,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:03:52,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:03:52,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:52,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:03:52,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:52,098 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:53,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:03:53,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:53,765 INFO L93 Difference]: Finished difference Result 316 states and 456 transitions. [2024-11-17 05:03:53,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:03:53,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-17 05:03:53,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:53,770 INFO L225 Difference]: With dead ends: 316 [2024-11-17 05:03:53,770 INFO L226 Difference]: Without dead ends: 172 [2024-11-17 05:03:53,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:53,775 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:53,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 438 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 05:03:53,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-17 05:03:53,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2024-11-17 05:03:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 128 states have internal predecessors, (169), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 242 transitions. [2024-11-17 05:03:53,790 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 242 transitions. Word has length 14 [2024-11-17 05:03:53,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:53,794 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 242 transitions. [2024-11-17 05:03:53,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 242 transitions. [2024-11-17 05:03:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 05:03:53,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:53,796 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 05:03:53,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 05:03:53,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:53,997 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:53,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:53,997 INFO L85 PathProgramCache]: Analyzing trace with hash -856831034, now seen corresponding path program 1 times [2024-11-17 05:03:53,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:53,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958424782] [2024-11-17 05:03:53,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:53,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 05:03:54,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:54,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958424782] [2024-11-17 05:03:54,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958424782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:03:54,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086944365] [2024-11-17 05:03:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:54,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:54,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:54,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:03:54,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 05:03:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:54,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 05:03:54,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:03:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 05:03:54,345 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:03:54,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086944365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:03:54,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:03:54,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-17 05:03:54,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798621454] [2024-11-17 05:03:54,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:03:54,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:03:54,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:54,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:03:54,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:54,348 INFO L87 Difference]: Start difference. First operand 171 states and 242 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:54,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:54,419 INFO L93 Difference]: Finished difference Result 171 states and 242 transitions. [2024-11-17 05:03:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:03:54,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-17 05:03:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:54,430 INFO L225 Difference]: With dead ends: 171 [2024-11-17 05:03:54,430 INFO L226 Difference]: Without dead ends: 170 [2024-11-17 05:03:54,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:03:54,431 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 2 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:54,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 432 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 05:03:54,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-17 05:03:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 160. [2024-11-17 05:03:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 117 states have internal predecessors, (157), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 230 transitions. [2024-11-17 05:03:54,449 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 230 transitions. Word has length 27 [2024-11-17 05:03:54,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:54,450 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 230 transitions. [2024-11-17 05:03:54,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 05:03:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 230 transitions. [2024-11-17 05:03:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 05:03:54,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:54,454 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:54,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 05:03:54,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:54,655 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:54,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:54,656 INFO L85 PathProgramCache]: Analyzing trace with hash -783718546, now seen corresponding path program 1 times [2024-11-17 05:03:54,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:54,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954399163] [2024-11-17 05:03:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:54,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 05:03:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:54,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-17 05:03:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 05:03:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 05:03:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:54,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954399163] [2024-11-17 05:03:54,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954399163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:03:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441397789] [2024-11-17 05:03:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:54,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:54,851 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:03:54,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 05:03:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:55,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 05:03:55,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:03:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 05:03:55,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 05:03:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 05:03:55,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441397789] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 05:03:55,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 05:03:55,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-17 05:03:55,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044151796] [2024-11-17 05:03:55,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 05:03:55,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 05:03:55,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:55,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 05:03:55,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 05:03:55,258 INFO L87 Difference]: Start difference. First operand 160 states and 230 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 05:03:55,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:03:55,907 INFO L93 Difference]: Finished difference Result 337 states and 486 transitions. [2024-11-17 05:03:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 05:03:55,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2024-11-17 05:03:55,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:03:55,910 INFO L225 Difference]: With dead ends: 337 [2024-11-17 05:03:55,910 INFO L226 Difference]: Without dead ends: 181 [2024-11-17 05:03:55,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 05:03:55,913 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 76 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 05:03:55,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 898 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 05:03:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-17 05:03:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 175. [2024-11-17 05:03:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 128 states have (on average 1.34375) internal successors, (172), 132 states have internal predecessors, (172), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:03:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 245 transitions. [2024-11-17 05:03:55,931 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 245 transitions. Word has length 55 [2024-11-17 05:03:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:03:55,931 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 245 transitions. [2024-11-17 05:03:55,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 05:03:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 245 transitions. [2024-11-17 05:03:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 05:03:55,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:03:55,937 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:03:55,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 05:03:56,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:56,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:03:56,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:03:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -128145729, now seen corresponding path program 1 times [2024-11-17 05:03:56,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:03:56,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46725564] [2024-11-17 05:03:56,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:56,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:03:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:56,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 05:03:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:56,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 05:03:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:56,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 05:03:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-17 05:03:56,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:03:56,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46725564] [2024-11-17 05:03:56,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46725564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:03:56,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266142529] [2024-11-17 05:03:56,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:03:56,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:03:56,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:03:56,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:03:56,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 05:03:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:03:56,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 05:03:56,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:03:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-17 05:03:56,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 05:03:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-17 05:03:56,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266142529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 05:03:56,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 05:03:56,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2024-11-17 05:03:56,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258909203] [2024-11-17 05:03:56,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 05:03:56,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 05:03:56,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:03:56,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 05:03:56,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 05:03:56,799 INFO L87 Difference]: Start difference. First operand 175 states and 245 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 05:04:00,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:01,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:01,323 INFO L93 Difference]: Finished difference Result 352 states and 498 transitions. [2024-11-17 05:04:01,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 05:04:01,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 72 [2024-11-17 05:04:01,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:01,325 INFO L225 Difference]: With dead ends: 352 [2024-11-17 05:04:01,326 INFO L226 Difference]: Without dead ends: 209 [2024-11-17 05:04:01,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-17 05:04:01,327 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 80 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 75 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:01,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 702 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 331 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-17 05:04:01,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-17 05:04:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 203. [2024-11-17 05:04:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 156 states have (on average 1.2884615384615385) internal successors, (201), 160 states have internal predecessors, (201), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 05:04:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 274 transitions. [2024-11-17 05:04:01,345 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 274 transitions. Word has length 72 [2024-11-17 05:04:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:01,345 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 274 transitions. [2024-11-17 05:04:01,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 05:04:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 274 transitions. [2024-11-17 05:04:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 05:04:01,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:01,348 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:01,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 05:04:01,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:04:01,549 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:01,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:01,550 INFO L85 PathProgramCache]: Analyzing trace with hash -675707145, now seen corresponding path program 2 times [2024-11-17 05:04:01,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:01,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535419578] [2024-11-17 05:04:01,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:02,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 05:04:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:02,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 05:04:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:02,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 05:04:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-17 05:04:02,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:02,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535419578] [2024-11-17 05:04:02,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535419578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:02,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:02,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 05:04:02,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319313779] [2024-11-17 05:04:02,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:02,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 05:04:02,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:02,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 05:04:02,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:04:02,103 INFO L87 Difference]: Start difference. First operand 203 states and 274 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:06,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:10,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:14,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:14,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:14,812 INFO L93 Difference]: Finished difference Result 488 states and 704 transitions. [2024-11-17 05:04:14,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 05:04:14,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 98 [2024-11-17 05:04:14,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:14,816 INFO L225 Difference]: With dead ends: 488 [2024-11-17 05:04:14,816 INFO L226 Difference]: Without dead ends: 352 [2024-11-17 05:04:14,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 05:04:14,821 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 317 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 127 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:14,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 834 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 422 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2024-11-17 05:04:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-17 05:04:14,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 336. [2024-11-17 05:04:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 248 states have (on average 1.3387096774193548) internal successors, (332), 252 states have internal predecessors, (332), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (75), 71 states have call predecessors, (75), 70 states have call successors, (75) [2024-11-17 05:04:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 479 transitions. [2024-11-17 05:04:14,852 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 479 transitions. Word has length 98 [2024-11-17 05:04:14,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:14,853 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 479 transitions. [2024-11-17 05:04:14,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 479 transitions. [2024-11-17 05:04:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-17 05:04:14,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:14,855 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:14,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 05:04:14,856 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:14,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash 786362713, now seen corresponding path program 1 times [2024-11-17 05:04:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:14,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698879479] [2024-11-17 05:04:14,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:14,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 05:04:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 05:04:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:15,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 05:04:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-17 05:04:15,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:15,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698879479] [2024-11-17 05:04:15,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698879479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:15,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:15,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 05:04:15,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323758215] [2024-11-17 05:04:15,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:15,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 05:04:15,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:15,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 05:04:15,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:04:15,328 INFO L87 Difference]: Start difference. First operand 336 states and 479 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:16,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:16,802 INFO L93 Difference]: Finished difference Result 526 states and 757 transitions. [2024-11-17 05:04:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 05:04:16,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 102 [2024-11-17 05:04:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:16,805 INFO L225 Difference]: With dead ends: 526 [2024-11-17 05:04:16,807 INFO L226 Difference]: Without dead ends: 347 [2024-11-17 05:04:16,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 05:04:16,809 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 311 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:16,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 838 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 05:04:16,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-17 05:04:16,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 331. [2024-11-17 05:04:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.3360655737704918) internal successors, (326), 248 states have internal predecessors, (326), 71 states have call successors, (71), 12 states have call predecessors, (71), 12 states have return successors, (74), 70 states have call predecessors, (74), 70 states have call successors, (74) [2024-11-17 05:04:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 471 transitions. [2024-11-17 05:04:16,836 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 471 transitions. Word has length 102 [2024-11-17 05:04:16,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:16,837 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 471 transitions. [2024-11-17 05:04:16,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 471 transitions. [2024-11-17 05:04:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 05:04:16,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:16,839 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:16,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 05:04:16,839 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:16,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:16,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2122281258, now seen corresponding path program 1 times [2024-11-17 05:04:16,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:16,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230669652] [2024-11-17 05:04:16,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 05:04:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 05:04:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:17,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 05:04:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-17 05:04:17,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:17,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230669652] [2024-11-17 05:04:17,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230669652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:17,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:17,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 05:04:17,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603491767] [2024-11-17 05:04:17,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:17,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 05:04:17,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:17,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 05:04:17,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 05:04:17,466 INFO L87 Difference]: Start difference. First operand 331 states and 471 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:19,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:19,137 INFO L93 Difference]: Finished difference Result 613 states and 891 transitions. [2024-11-17 05:04:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 05:04:19,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 96 [2024-11-17 05:04:19,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:19,141 INFO L225 Difference]: With dead ends: 613 [2024-11-17 05:04:19,141 INFO L226 Difference]: Without dead ends: 311 [2024-11-17 05:04:19,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-17 05:04:19,143 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 339 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:19,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 811 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 05:04:19,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-17 05:04:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2024-11-17 05:04:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 223 states have (on average 1.2869955156950672) internal successors, (287), 227 states have internal predecessors, (287), 58 states have call successors, (58), 12 states have call predecessors, (58), 12 states have return successors, (63), 57 states have call predecessors, (63), 57 states have call successors, (63) [2024-11-17 05:04:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 408 transitions. [2024-11-17 05:04:19,168 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 408 transitions. Word has length 96 [2024-11-17 05:04:19,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:19,168 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 408 transitions. [2024-11-17 05:04:19,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 408 transitions. [2024-11-17 05:04:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 05:04:19,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:19,169 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:19,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 05:04:19,170 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:19,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:19,170 INFO L85 PathProgramCache]: Analyzing trace with hash -198436232, now seen corresponding path program 2 times [2024-11-17 05:04:19,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:19,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462234279] [2024-11-17 05:04:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:19,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 05:04:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 05:04:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:19,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-17 05:04:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-17 05:04:19,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:19,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462234279] [2024-11-17 05:04:19,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462234279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:19,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:04:19,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 05:04:19,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220168842] [2024-11-17 05:04:19,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:19,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 05:04:19,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:19,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 05:04:19,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 05:04:19,572 INFO L87 Difference]: Start difference. First operand 297 states and 408 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:23,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:24,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:24,651 INFO L93 Difference]: Finished difference Result 493 states and 697 transitions. [2024-11-17 05:04:24,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 05:04:24,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 100 [2024-11-17 05:04:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:24,653 INFO L225 Difference]: With dead ends: 493 [2024-11-17 05:04:24,653 INFO L226 Difference]: Without dead ends: 241 [2024-11-17 05:04:24,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 05:04:24,655 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 176 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 86 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:24,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 812 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-17 05:04:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-17 05:04:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 235. [2024-11-17 05:04:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 178 states have (on average 1.252808988764045) internal successors, (223), 183 states have internal predecessors, (223), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (47), 42 states have call predecessors, (47), 43 states have call successors, (47) [2024-11-17 05:04:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 314 transitions. [2024-11-17 05:04:24,673 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 314 transitions. Word has length 100 [2024-11-17 05:04:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:24,674 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 314 transitions. [2024-11-17 05:04:24,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 05:04:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 314 transitions. [2024-11-17 05:04:24,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 05:04:24,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:24,676 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:24,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 05:04:24,676 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:24,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2054610828, now seen corresponding path program 1 times [2024-11-17 05:04:24,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:24,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76740306] [2024-11-17 05:04:24,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:24,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 05:04:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:04:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:04:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 05:04:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 05:04:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 05:04:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 05:04:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 05:04:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-17 05:04:26,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76740306] [2024-11-17 05:04:26,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76740306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:04:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841694269] [2024-11-17 05:04:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:26,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:04:26,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:04:26,223 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:04:26,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 05:04:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:26,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 05:04:26,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:04:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-17 05:04:27,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:04:27,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841694269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:27,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:04:27,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 16 [2024-11-17 05:04:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187557575] [2024-11-17 05:04:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:27,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 05:04:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 05:04:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-17 05:04:27,109 INFO L87 Difference]: Start difference. First operand 235 states and 314 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 05:04:28,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:28,020 INFO L93 Difference]: Finished difference Result 488 states and 690 transitions. [2024-11-17 05:04:28,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 05:04:28,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 147 [2024-11-17 05:04:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:28,024 INFO L225 Difference]: With dead ends: 488 [2024-11-17 05:04:28,024 INFO L226 Difference]: Without dead ends: 345 [2024-11-17 05:04:28,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-11-17 05:04:28,026 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 292 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:28,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 711 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 05:04:28,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-17 05:04:28,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 301. [2024-11-17 05:04:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 227 states have (on average 1.224669603524229) internal successors, (278), 228 states have internal predecessors, (278), 54 states have call successors, (54), 11 states have call predecessors, (54), 16 states have return successors, (75), 61 states have call predecessors, (75), 53 states have call successors, (75) [2024-11-17 05:04:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 407 transitions. [2024-11-17 05:04:28,051 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 407 transitions. Word has length 147 [2024-11-17 05:04:28,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:28,052 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 407 transitions. [2024-11-17 05:04:28,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 05:04:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 407 transitions. [2024-11-17 05:04:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-17 05:04:28,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:28,054 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:28,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 05:04:28,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:04:28,255 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ##fun~$Pointer$~TO~$Pointer$Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:28,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2088977193, now seen corresponding path program 1 times [2024-11-17 05:04:28,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:28,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543700833] [2024-11-17 05:04:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:28,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:29,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 05:04:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:04:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:29,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:04:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 05:04:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 05:04:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 05:04:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 05:04:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-17 05:04:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-17 05:04:30,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:30,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543700833] [2024-11-17 05:04:30,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543700833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:04:30,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686232854] [2024-11-17 05:04:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:30,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:04:30,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:04:30,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:04:30,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 05:04:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:30,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 05:04:30,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:04:31,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-17 05:04:31,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-17 05:04:31,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-17 05:04:31,523 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 05:04:31,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2024-11-17 05:04:32,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 05:04:32,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2024-11-17 05:04:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 59 proven. 110 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-17 05:04:32,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 05:04:32,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686232854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:04:32,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 05:04:32,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 23 [2024-11-17 05:04:32,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561520947] [2024-11-17 05:04:32,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 05:04:32,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 05:04:32,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:32,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 05:04:32,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2024-11-17 05:04:32,520 INFO L87 Difference]: Start difference. First operand 301 states and 407 transitions. Second operand has 23 states, 23 states have (on average 6.3478260869565215) internal successors, (146), 18 states have internal predecessors, (146), 6 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 8 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-17 05:04:34,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:39,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:48,204 INFO L93 Difference]: Finished difference Result 953 states and 1302 transitions. [2024-11-17 05:04:48,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-17 05:04:48,205 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.3478260869565215) internal successors, (146), 18 states have internal predecessors, (146), 6 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 8 states have call predecessors, (16), 6 states have call successors, (16) Word has length 150 [2024-11-17 05:04:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:48,210 INFO L225 Difference]: With dead ends: 953 [2024-11-17 05:04:48,210 INFO L226 Difference]: Without dead ends: 748 [2024-11-17 05:04:48,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2452 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1403, Invalid=6079, Unknown=0, NotChecked=0, Total=7482 [2024-11-17 05:04:48,214 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 2537 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 2783 mSolverCounterSat, 1601 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 4385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 2783 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:48,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 1439 Invalid, 4385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 2783 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2024-11-17 05:04:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-17 05:04:48,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 577. [2024-11-17 05:04:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 430 states have (on average 1.241860465116279) internal successors, (534), 424 states have internal predecessors, (534), 103 states have call successors, (103), 23 states have call predecessors, (103), 40 states have return successors, (160), 129 states have call predecessors, (160), 101 states have call successors, (160) [2024-11-17 05:04:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 797 transitions. [2024-11-17 05:04:48,279 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 797 transitions. Word has length 150 [2024-11-17 05:04:48,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:48,280 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 797 transitions. [2024-11-17 05:04:48,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.3478260869565215) internal successors, (146), 18 states have internal predecessors, (146), 6 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 8 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-17 05:04:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 797 transitions. [2024-11-17 05:04:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-17 05:04:48,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:48,283 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:48,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 05:04:48,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 05:04:48,484 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:48,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1940606839, now seen corresponding path program 1 times [2024-11-17 05:04:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:48,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045018493] [2024-11-17 05:04:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 05:04:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:04:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:49,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:04:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 05:04:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 05:04:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-17 05:04:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-17 05:04:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-17 05:04:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-17 05:04:50,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:50,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045018493] [2024-11-17 05:04:50,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045018493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:04:50,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813060922] [2024-11-17 05:04:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:50,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:04:50,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:04:50,255 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:04:50,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 05:04:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:50,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 05:04:50,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:04:51,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-17 05:04:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 05:04:51,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:04:51,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813060922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:04:51,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 05:04:51,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 23 [2024-11-17 05:04:51,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988565699] [2024-11-17 05:04:51,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:04:51,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 05:04:51,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:04:51,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 05:04:51,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-11-17 05:04:51,458 INFO L87 Difference]: Start difference. First operand 577 states and 797 transitions. Second operand has 11 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 05:04:54,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 05:04:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:04:55,921 INFO L93 Difference]: Finished difference Result 1305 states and 1919 transitions. [2024-11-17 05:04:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 05:04:55,921 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 154 [2024-11-17 05:04:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:04:55,928 INFO L225 Difference]: With dead ends: 1305 [2024-11-17 05:04:55,928 INFO L226 Difference]: Without dead ends: 799 [2024-11-17 05:04:55,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=762, Unknown=0, NotChecked=0, Total=870 [2024-11-17 05:04:55,932 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 740 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-17 05:04:55,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 830 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-17 05:04:55,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-11-17 05:04:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 618. [2024-11-17 05:04:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 454 states have (on average 1.2466960352422907) internal successors, (566), 443 states have internal predecessors, (566), 120 states have call successors, (120), 23 states have call predecessors, (120), 40 states have return successors, (192), 151 states have call predecessors, (192), 118 states have call successors, (192) [2024-11-17 05:04:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 878 transitions. [2024-11-17 05:04:56,015 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 878 transitions. Word has length 154 [2024-11-17 05:04:56,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:04:56,016 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 878 transitions. [2024-11-17 05:04:56,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 05:04:56,016 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 878 transitions. [2024-11-17 05:04:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-17 05:04:56,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:04:56,018 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:04:56,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 05:04:56,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 05:04:56,220 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~TO~$Pointer$Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_pthread_mutex_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_pthread_mutex_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2024-11-17 05:04:56,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:04:56,220 INFO L85 PathProgramCache]: Analyzing trace with hash -373820629, now seen corresponding path program 1 times [2024-11-17 05:04:56,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:04:56,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578416474] [2024-11-17 05:04:56,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:04:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 05:04:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:57,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:04:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:57,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:04:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:57,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 05:04:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 05:04:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 05:04:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 05:04:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-17 05:04:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-17 05:04:58,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:04:58,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578416474] [2024-11-17 05:04:58,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578416474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:04:58,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692784778] [2024-11-17 05:04:58,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:04:58,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:04:58,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:04:58,138 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:04:58,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 05:04:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:04:58,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 05:04:58,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:04:58,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2024-11-17 05:04:59,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-17 05:04:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 05:04:59,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 05:04:59,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-17 05:04:59,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-17 05:04:59,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-17 05:04:59,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-17 05:04:59,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-17 05:04:59,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-17 05:05:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-17 05:05:00,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692784778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 05:05:00,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 05:05:00,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2024-11-17 05:05:00,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256981338] [2024-11-17 05:05:00,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 05:05:00,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-17 05:05:00,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:05:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-17 05:05:00,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1199, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 05:05:00,106 INFO L87 Difference]: Start difference. First operand 618 states and 878 transitions. Second operand has 37 states, 33 states have (on average 4.787878787878788) internal successors, (158), 32 states have internal predecessors, (158), 12 states have call successors, (26), 13 states have call predecessors, (26), 10 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21)