./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX --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 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:46:29,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:46:29,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 16:46:29,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:46:29,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:46:29,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:46:29,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:46:29,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:46:29,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:46:29,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:46:29,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:46:29,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:46:29,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:46:29,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:46:29,420 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:46:29,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:46:29,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:46:29,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:46:29,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:46:29,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:46:29,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:46:29,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:46:29,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:46:29,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:46:29,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:46:29,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:46:29,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:46:29,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:46:29,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:46:29,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:46:29,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:46:29,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:46:29,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:46:29,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:46:29,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:29,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:46:29,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:46:29,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:46:29,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:46:29,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:46:29,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:46:29,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:46:29,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:46:29,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:46:29,433 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d [2024-11-08 16:46:29,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:46:29,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:46:29,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:46:29,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:46:29,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:46:29,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i Unable to find full path for "g++" [2024-11-08 16:46:31,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:46:32,331 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:46:32,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr-overflow.i [2024-11-08 16:46:32,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/data/94f194fd7/11242708a0dd4c168acbf81e7adea3c0/FLAGe163901dd [2024-11-08 16:46:32,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/data/94f194fd7/11242708a0dd4c168acbf81e7adea3c0 [2024-11-08 16:46:32,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:46:32,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:46:32,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:32,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:46:32,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:46:32,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:32" (1/1) ... [2024-11-08 16:46:32,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f449d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:32, skipping insertion in model container [2024-11-08 16:46:32,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:32" (1/1) ... [2024-11-08 16:46:32,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:46:33,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:33,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:46:33,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:33,912 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:46:33,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33 WrapperNode [2024-11-08 16:46:33,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:33,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:33,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:46:33,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:46:33,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:33,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,015 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2024-11-08 16:46:34,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:34,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:46:34,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:46:34,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:46:34,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,065 INFO L175 MemorySlicer]: Split 13 memory accesses to 9 slices as follows [5, 1, 1, 1, 1, 1, 1, 1, 1]. 38 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [5, 0, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-08 16:46:34,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:46:34,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:46:34,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:46:34,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:46:34,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (1/1) ... [2024-11-08 16:46:34,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:34,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:34,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:46:34,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:46:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2024-11-08 16:46:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2024-11-08 16:46:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2024-11-08 16:46:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2024-11-08 16:46:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 16:46:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:46:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:46:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:46:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:46:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2024-11-08 16:46:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 16:46:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:46:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:46:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:46:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:46:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:46:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 16:46:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 16:46:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 16:46:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 16:46:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:46:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:46:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:46:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:46:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:46:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 16:46:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 16:46:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 16:46:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 16:46:34,244 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:46:34,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:46:34,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:46:35,050 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:46:35,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:46:35,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:46:35,323 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-08 16:46:35,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:35 BoogieIcfgContainer [2024-11-08 16:46:35,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:46:35,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:46:35,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:46:35,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:46:35,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:46:32" (1/3) ... [2024-11-08 16:46:35,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e63a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:35, skipping insertion in model container [2024-11-08 16:46:35,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:33" (2/3) ... [2024-11-08 16:46:35,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e63a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:35, skipping insertion in model container [2024-11-08 16:46:35,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:35" (3/3) ... [2024-11-08 16:46:35,333 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr-overflow.i [2024-11-08 16:46:35,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:46:35,355 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-08 16:46:35,355 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:46:35,433 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 16:46:35,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 110 transitions, 234 flow [2024-11-08 16:46:35,537 INFO L124 PetriNetUnfolderBase]: 31/108 cut-off events. [2024-11-08 16:46:35,538 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 16:46:35,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 108 events. 31/108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 272 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 87. Up to 5 conditions per place. [2024-11-08 16:46:35,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 110 transitions, 234 flow [2024-11-08 16:46:35,549 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 99 transitions, 207 flow [2024-11-08 16:46:35,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:46:35,566 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;@7e13ad38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:46:35,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-08 16:46:35,568 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:46:35,569 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-08 16:46:35,569 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:46:35,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:46:35,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-08 16:46:35,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-08 16:46:35,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:46:35,577 INFO L85 PathProgramCache]: Analyzing trace with hash 19596, now seen corresponding path program 1 times [2024-11-08 16:46:35,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:46:35,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534663420] [2024-11-08 16:46:35,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:46:35,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:46:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:46:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:46:36,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:46:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534663420] [2024-11-08 16:46:36,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534663420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:46:36,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:46:36,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 16:46:36,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548104019] [2024-11-08 16:46:36,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:46:36,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:46:36,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:46:36,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:46:36,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:46:36,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2024-11-08 16:46:36,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 99 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2024-11-08 16:46:36,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:46:36,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2024-11-08 16:46:36,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:46:36,506 INFO L124 PetriNetUnfolderBase]: 609/1388 cut-off events. [2024-11-08 16:46:36,507 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-08 16:46:36,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2330 conditions, 1388 events. 609/1388 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8500 event pairs, 461 based on Foata normal form. 269/1410 useless extension candidates. Maximal degree in co-relation 2240. Up to 899 conditions per place. [2024-11-08 16:46:36,529 INFO L140 encePairwiseOnDemand]: 91/110 looper letters, 31 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2024-11-08 16:46:36,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 68 transitions, 211 flow [2024-11-08 16:46:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:46:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:46:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-11-08 16:46:36,546 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5878787878787879 [2024-11-08 16:46:36,549 INFO L175 Difference]: Start difference. First operand has 78 places, 99 transitions, 207 flow. Second operand 3 states and 194 transitions. [2024-11-08 16:46:36,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 68 transitions, 211 flow [2024-11-08 16:46:36,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 68 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 16:46:36,563 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 144 flow [2024-11-08 16:46:36,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2024-11-08 16:46:36,573 INFO L277 CegarLoopForPetriNet]: 78 programPoint places, -9 predicate places. [2024-11-08 16:46:36,574 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 144 flow [2024-11-08 16:46:36,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2024-11-08 16:46:36,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:46:36,574 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-08 16:46:36,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:46:36,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-08 16:46:36,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:46:36,577 INFO L85 PathProgramCache]: Analyzing trace with hash 608075, now seen corresponding path program 1 times [2024-11-08 16:46:36,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:46:36,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083860273] [2024-11-08 16:46:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:46:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:46:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:36,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:46:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:36,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:46:36,703 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:46:36,706 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-08 16:46:36,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-08 16:46:36,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-08 16:46:36,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-08 16:46:36,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-08 16:46:36,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-08 16:46:36,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-08 16:46:36,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-08 16:46:36,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2024-11-08 16:46:36,715 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2024-11-08 16:46:36,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-08 16:46:36,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-08 16:46:36,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-08 16:46:36,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-08 16:46:36,718 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-08 16:46:36,720 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-08 16:46:36,720 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-08 16:46:36,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-08 16:46:36,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-08 16:46:36,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-08 16:46:36,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:46:36,722 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:46:36,747 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:46:36,748 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:46:36,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:46:36 BasicIcfg [2024-11-08 16:46:36,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:46:36,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:46:36,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:46:36,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:46:36,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:35" (3/4) ... [2024-11-08 16:46:36,759 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 16:46:36,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:46:36,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:46:36,800 INFO L158 Benchmark]: Toolchain (without parser) took 4419.32ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 59.0MB in the end (delta: 59.2MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,801 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:36,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.82ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 113.2MB in the end (delta: 4.3MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.38ms. Allocated memory is still 153.1MB. Free memory was 113.2MB in the beginning and 109.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,803 INFO L158 Benchmark]: Boogie Preprocessor took 108.32ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 105.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,804 INFO L158 Benchmark]: RCFGBuilder took 1197.77ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 108.3MB in the end (delta: -2.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,804 INFO L158 Benchmark]: TraceAbstraction took 1430.94ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 61.1MB in the end (delta: 46.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,805 INFO L158 Benchmark]: Witness Printer took 42.36ms. Allocated memory is still 153.1MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:36,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.82ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 113.2MB in the end (delta: 4.3MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.38ms. Allocated memory is still 153.1MB. Free memory was 113.2MB in the beginning and 109.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.32ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 105.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1197.77ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 108.3MB in the end (delta: -2.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1430.94ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 61.1MB in the end (delta: 46.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 42.36ms. Allocated memory is still 153.1MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1839]: integer overflow possible integer overflow possible We found a FailurePath: [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1797] pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1798] long counter; [L1799] time_t end_time; [L1836] int status; [L1837] pthread_t counter_thread_id; [L1838] pthread_t monitor_thread_id; [L1839] time (((void *)0)) + 60 VAL [\old(argc)=2147483589, \old(argv)={2147483590:2147483591}, argc=2147483589, counter=0, end_time=0, mutex={1:0}] - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1807]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 134 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:46:36,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cfdb40-d6dc-4f26-a626-37f548137034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)