/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --icfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --traceabstraction.dfs.order.used.in.por BY_SERIAL_NUMBER --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL --traceabstraction.commutativity.condition.synthesis NONE -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_45-escape_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 05:31:05,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 05:31:05,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-16 05:31:05,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 05:31:05,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 05:31:05,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 05:31:05,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 05:31:05,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 05:31:05,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 05:31:05,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 05:31:05,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 05:31:05,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 05:31:05,830 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 05:31:05,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 05:31:05,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 05:31:05,831 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 05:31:05,832 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 05:31:05,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 05:31:05,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 05:31:05,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 05:31:05,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 05:31:05,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 05:31:05,834 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 05:31:05,834 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 05:31:05,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> BY_SERIAL_NUMBER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-16 05:31:06,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 05:31:06,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 05:31:06,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 05:31:06,065 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 05:31:06,066 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 05:31:06,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_45-escape_rc.i [2025-04-16 05:31:07,376 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36cd78d7/7f24d668b2c647d9b7c2d2a8246ae374/FLAG7fc5a21a0 [2025-04-16 05:31:07,608 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 05:31:07,608 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_45-escape_rc.i [2025-04-16 05:31:07,628 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36cd78d7/7f24d668b2c647d9b7c2d2a8246ae374/FLAG7fc5a21a0 [2025-04-16 05:31:08,427 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36cd78d7/7f24d668b2c647d9b7c2d2a8246ae374 [2025-04-16 05:31:08,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 05:31:08,430 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 05:31:08,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 05:31:08,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 05:31:08,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 05:31:08,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34063511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08, skipping insertion in model container [2025-04-16 05:31:08,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 05:31:08,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 05:31:08,787 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 05:31:08,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 05:31:08,884 INFO L204 MainTranslator]: Completed translation [2025-04-16 05:31:08,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08 WrapperNode [2025-04-16 05:31:08,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 05:31:08,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 05:31:08,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 05:31:08,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 05:31:08,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,912 INFO L138 Inliner]: procedures = 263, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2025-04-16 05:31:08,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 05:31:08,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 05:31:08,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 05:31:08,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 05:31:08,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 05:31:08,933 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-16 05:31:08,933 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-16 05:31:08,933 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-16 05:31:08,934 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (1/1) ... [2025-04-16 05:31:08,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 05:31:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 05:31:08,958 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) [2025-04-16 05:31:08,960 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 [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 05:31:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-16 05:31:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-16 05:31:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 05:31:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 05:31:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 05:31:08,978 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-16 05:31:09,078 INFO L256 CfgBuilder]: Building ICFG [2025-04-16 05:31:09,079 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 05:31:09,201 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L928: havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-04-16 05:31:09,201 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L928-1: SUMMARY for call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset); srcloc: null [2025-04-16 05:31:09,242 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 05:31:09,242 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 05:31:09,242 INFO L318 CfgBuilder]: Performing block encoding [2025-04-16 05:31:09,268 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-16 05:31:09,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.04 05:31:09 BoogieIcfgContainer [2025-04-16 05:31:09,269 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-16 05:31:09,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-16 05:31:09,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-16 05:31:09,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-16 05:31:09,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 05:31:08" (1/3) ... [2025-04-16 05:31:09,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587cc78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 05:31:09, skipping insertion in model container [2025-04-16 05:31:09,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 05:31:08" (2/3) ... [2025-04-16 05:31:09,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587cc78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 05:31:09, skipping insertion in model container [2025-04-16 05:31:09,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.04 05:31:09" (3/3) ... [2025-04-16 05:31:09,276 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2025-04-16 05:31:09,286 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-16 05:31:09,288 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_45-escape_rc.i that has 2 procedures, 85 locations, 83 edges, 1 initial locations, 0 loop locations, and 4 error locations. [2025-04-16 05:31:09,288 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-16 05:31:09,340 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-16 05:31:09,376 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 05:31:09,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-16 05:31:09,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 05:31:09,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-16 05:31:09,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-16 05:31:09,446 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-16 05:31:09,452 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-16 05:31:09,457 INFO L340 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=PARTIAL_ORDER_FA, 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;@257407be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 05:31:09,457 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-16 05:31:09,717 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2025-04-16 05:31:09,722 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 05:31:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1784960409, now seen corresponding path program 1 times [2025-04-16 05:31:09,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 05:31:09,727 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107431043] [2025-04-16 05:31:09,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 05:31:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 05:31:09,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-16 05:31:09,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-16 05:31:09,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 05:31:09,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 05:31:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 05:31:10,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 05:31:10,374 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107431043] [2025-04-16 05:31:10,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107431043] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 05:31:10,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 05:31:10,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-16 05:31:10,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181669580] [2025-04-16 05:31:10,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 05:31:10,378 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-16 05:31:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 05:31:10,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-16 05:31:10,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-16 05:31:10,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 05:31:10,394 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 05:31:10,394 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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) [2025-04-16 05:31:10,395 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 05:31:10,773 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-16 05:31:10,773 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-16 05:31:10,774 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2025-04-16 05:31:10,774 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 05:31:10,774 INFO L85 PathProgramCache]: Analyzing trace with hash -946541366, now seen corresponding path program 1 times [2025-04-16 05:31:10,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 05:31:10,774 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138737365] [2025-04-16 05:31:10,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 05:31:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 05:31:10,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-16 05:31:10,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-16 05:31:10,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 05:31:10,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 05:31:10,813 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-16 05:31:10,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-16 05:31:10,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-16 05:31:10,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 05:31:10,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 05:31:10,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-16 05:31:10,850 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-16 05:31:10,851 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2025-04-16 05:31:10,854 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2025-04-16 05:31:10,855 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-16 05:31:10,858 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-16 05:31:10,859 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2025-04-16 05:31:10,901 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-16 05:31:10,901 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-16 05:31:10,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-16 05:31:10,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 05:31:10 BasicIcfg [2025-04-16 05:31:10,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-16 05:31:10,913 INFO L158 Benchmark]: Toolchain (without parser) took 2483.22ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 89.5MB in the end (delta: 8.7MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2025-04-16 05:31:10,913 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 05:31:10,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.80ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 66.9MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-16 05:31:10,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.84ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 05:31:10,914 INFO L158 Benchmark]: Boogie Preprocessor took 19.10ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 63.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 05:31:10,914 INFO L158 Benchmark]: IcfgBuilder took 336.48ms. Allocated memory is still 142.6MB. Free memory was 63.3MB in the beginning and 46.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-16 05:31:10,915 INFO L158 Benchmark]: TraceAbstraction took 1642.00ms. Allocated memory is still 142.6MB. Free memory was 45.9MB in the beginning and 89.5MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 05:31:10,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 453.80ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 66.9MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.84ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 19.10ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 63.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * IcfgBuilder took 336.48ms. Allocated memory is still 142.6MB. Free memory was 63.3MB in the beginning and 46.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1642.00ms. Allocated memory is still 142.6MB. Free memory was 45.9MB in the beginning and 89.5MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 359, independent: 348, independent conditional: 20, independent unconditional: 328, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 760, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 31, dependent conditional: 8, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 458, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 762, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 338, Positive cache size: 328, Positive conditional cache size: 0, Positive unconditional cache size: 328, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 42, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 359, independent: 348, independent conditional: 20, independent unconditional: 328, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 760, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 31, dependent conditional: 8, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 458, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 762, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 338, Positive cache size: 328, Positive conditional cache size: 0, Positive unconditional cache size: 328, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 401, independent: 383, independent conditional: 27, independent unconditional: 356, dependent: 18, dependent conditional: 5, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 760, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 31, dependent conditional: 8, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 458, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 762, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 617, Positive conditional cache size: 0, Positive unconditional cache size: 617, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 1, Independence queries for same thread: 2, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 48, Number of trivial persistent sets: 40, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 369, independent: 356, independent conditional: 0, independent unconditional: 356, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 401, independent: 383, independent conditional: 27, independent unconditional: 356, dependent: 18, dependent conditional: 5, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 760, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 758, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 47, independent unconditional: 684, dependent: 31, dependent conditional: 8, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 762, independent: 731, independent conditional: 0, independent unconditional: 731, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 458, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 762, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 617, Positive conditional cache size: 0, Positive unconditional cache size: 617, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 1, Independence queries for same thread: 2, Statistics for Abstraction: - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}] [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}] [L927] 0 pthread_t id; VAL [mutex1={1:0}, mutex2={2:0}] [L928] 0 int i; VAL [i={5:0}, mutex1={1:0}, mutex2={2:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [\at(arg, Pre)={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}] [L920] 1 int *p = (int *) arg; VAL [\at(arg, Pre)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] EXPR 1 \read(*p) VAL [\at(arg, Pre)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\at(arg, Pre)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] EXPR 0 \read(i) VAL [\at(arg, Pre)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [\at(arg, Pre)={5:0}, arg={5:0}, i={5:0}, id=-1, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [\at(arg, Pre)={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: (*p)++ [922] * C: (*p)++ [922] * C: i++ [931] * C: (*p)++ [922] * C: (*p)++ [922] and C: (*p)++ [922] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 114 locations, 113 edges, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.5s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-04-16 05:31:10,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...