./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 09:22:48,548 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-05 09:22:48,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-12-05 09:22:48,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 09:22:48,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 09:22:48,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 09:22:48,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 09:22:48,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 09:22:48,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 09:22:48,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 09:22:48,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 09:22:48,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-05 09:22:48,629 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-05 09:22:48,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 09:22:48,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-05 09:22:48,629 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-05 09:22:48,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-05 09:22:48,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 09:22:48,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:22:48,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 09:22:48,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 09:22:48,632 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 09:22:48,632 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 09:22:48,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX
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 ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
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 -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770
[2024-12-05 09:22:48,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 09:22:48,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 09:22:48,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 09:22:48,875 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-05 09:22:48,875 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-05 09:22:48,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i
[2024-12-05 09:22:51,501 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/data/390abd75b/e4a46b013713453099cdf398f7d6ae92/FLAGf039c5baa
[2024-12-05 09:22:51,717 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-05 09:22:51,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/sv-benchmarks/c/pthread-atomic/time_var_mutex.i
[2024-12-05 09:22:51,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/data/390abd75b/e4a46b013713453099cdf398f7d6ae92/FLAGf039c5baa
[2024-12-05 09:22:51,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/data/390abd75b/e4a46b013713453099cdf398f7d6ae92
[2024-12-05 09:22:51,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 09:22:51,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 09:22:51,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 09:22:51,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 09:22:51,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 09:22:51,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:22:51" (1/1) ...
[2024-12-05 09:22:51,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439c92fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51, skipping insertion in model container
[2024-12-05 09:22:51,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:22:51" (1/1) ...
[2024-12-05 09:22:51,785 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-05 09:22:52,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260]
[2024-12-05 09:22:52,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465]
[2024-12-05 09:22:52,061 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:22:52,077 INFO L200 MainTranslator]: Completed pre-run
[2024-12-05 09:22:52,113 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260]
[2024-12-05 09:22:52,115 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465]
[2024-12-05 09:22:52,118 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:22:52,154 INFO L204 MainTranslator]: Completed translation
[2024-12-05 09:22:52,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52 WrapperNode
[2024-12-05 09:22:52,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 09:22:52,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 09:22:52,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 09:22:52,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 09:22:52,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,190 INFO L138 Inliner]: procedures = 169, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49
[2024-12-05 09:22:52,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 09:22:52,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 09:22:52,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 09:22:52,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 09:22:52,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 09:22:52,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 09:22:52,215 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 09:22:52,215 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-05 09:22:52,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (1/1) ...
[2024-12-05 09:22:52,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:22:52,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:22:52,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 09:22:52,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 09:22:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure allocator
[2024-12-05 09:22:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator
[2024-12-05 09:22:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator
[2024-12-05 09:22:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator
[2024-12-05 09:22:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-05 09:22:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 09:22:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 09:22:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-05 09:22:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 09:22:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 09:22:52,275 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-05 09:22:52,375 INFO L234 CfgBuilder]: Building ICFG
[2024-12-05 09:22:52,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 09:22:52,548 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 09:22:52,548 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-05 09:22:52,671 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 09:22:52,671 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-05 09:22:52,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:22:52 BoogieIcfgContainer
[2024-12-05 09:22:52,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 09:22:52,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 09:22:52,673 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 09:22:52,677 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-05 09:22:52,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:22:51" (1/3) ...
[2024-12-05 09:22:52,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294bb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:22:52, skipping insertion in model container
[2024-12-05 09:22:52,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:52" (2/3) ...
[2024-12-05 09:22:52,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294bb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:22:52, skipping insertion in model container
[2024-12-05 09:22:52,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:22:52" (3/3) ...
[2024-12-05 09:22:52,679 INFO L128 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i
[2024-12-05 09:22:52,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 09:22:52,692 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG time_var_mutex.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-05 09:22:52,692 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 09:22:52,743 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-12-05 09:22:52,785 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:22:52,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 09:22:52,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:22:52,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 09:22:52,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 09:22:52,847 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:22:52,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == de_allocatorThread1of1ForFork0 ========
[2024-12-05 09:22:52,870 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=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;@407e02a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:22:52,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-05 09:22:53,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:53,126 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:53,126 INFO L139 ounterexampleChecker]: Examining path program with hash 934240130, occurence #1
[2024-12-05 09:22:53,126 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:53,127 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:53,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:53,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1469518908, now seen corresponding path program 1 times
[2024-12-05 09:22:53,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:53,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884368460]
[2024-12-05 09:22:53,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:53,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:53,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884368460]
[2024-12-05 09:22:53,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884368460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:53,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:53,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:22:53,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149784433]
[2024-12-05 09:22:53,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:53,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:53,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:53,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:53,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:53,361 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:53,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:53,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:53,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 09:22:53,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:53,446 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:53,446 INFO L139 ounterexampleChecker]: Examining path program with hash 86211966, occurence #1
[2024-12-05 09:22:53,446 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:53,446 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:53,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:53,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1246546136, now seen corresponding path program 1 times
[2024-12-05 09:22:53,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:53,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979126626]
[2024-12-05 09:22:53,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:53,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:53,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:53,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979126626]
[2024-12-05 09:22:53,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979126626] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:53,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:53,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:22:53,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872387687]
[2024-12-05 09:22:53,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:53,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:53,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:53,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:53,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:53,570 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:53,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:53,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-05 09:22:53,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:53,803 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:53,803 INFO L139 ounterexampleChecker]: Examining path program with hash 1375213763, occurence #1
[2024-12-05 09:22:53,803 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:53,803 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:53,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:53,804 INFO L85 PathProgramCache]: Analyzing trace with hash -385073378, now seen corresponding path program 2 times
[2024-12-05 09:22:53,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:53,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382384820]
[2024-12-05 09:22:53,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 09:22:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:53,822 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-05 09:22:53,822 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 09:22:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:53,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:53,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382384820]
[2024-12-05 09:22:53,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382384820] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:53,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:53,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:22:53,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507815290]
[2024-12-05 09:22:53,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:53,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:53,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:53,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:53,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:53,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:53,916 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:53,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:53,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:53,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-05 09:22:53,979 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:53,979 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:53,979 INFO L139 ounterexampleChecker]: Examining path program with hash 1912517652, occurence #1
[2024-12-05 09:22:53,979 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:53,979 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:53,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:53,980 INFO L85 PathProgramCache]: Analyzing trace with hash -27592675, now seen corresponding path program 1 times
[2024-12-05 09:22:53,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:53,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801301326]
[2024-12-05 09:22:53,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:53,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:54,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:54,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801301326]
[2024-12-05 09:22:54,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801301326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:54,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:54,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:22:54,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607388242]
[2024-12-05 09:22:54,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:54,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:54,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:54,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:54,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,010 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:54,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-12-05 09:22:54,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-05 09:22:54,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:54,101 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:54,102 INFO L139 ounterexampleChecker]: Examining path program with hash -1177500886, occurence #1
[2024-12-05 09:22:54,102 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:54,102 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:54,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:54,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1132604541, now seen corresponding path program 1 times
[2024-12-05 09:22:54,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:54,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708444739]
[2024-12-05 09:22:54,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:54,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:54,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708444739]
[2024-12-05 09:22:54,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708444739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:54,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:54,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 09:22:54,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33755448]
[2024-12-05 09:22:54,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:54,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:54,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:54,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:54,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,137 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:54,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-05 09:22:54,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-05 09:22:54,223 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2024-12-05 09:22:54,225 INFO L319 ceAbstractionStarter]: Result for error location de_allocatorThread1of1ForFork0 was SAFE (1/3)
[2024-12-05 09:22:54,228 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:22:54,228 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:22:54,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 09:22:54,229 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=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;@407e02a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:22:54,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-05 09:22:54,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining)
[2024-12-05 09:22:54,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-12-05 09:22:54,243 INFO L422 BasicCegarLoop]: Path program histogram: []
[2024-12-05 09:22:54,243 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3)
[2024-12-05 09:22:54,245 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:22:54,246 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:22:54,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == allocatorThread1of1ForFork1 ========
[2024-12-05 09:22:54,247 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=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;@407e02a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:22:54,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-05 09:22:54,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:54,252 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:54,252 INFO L139 ounterexampleChecker]: Examining path program with hash -1434806079, occurence #1
[2024-12-05 09:22:54,252 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:54,252 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:54,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1860759740, now seen corresponding path program 1 times
[2024-12-05 09:22:54,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:54,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983717180]
[2024-12-05 09:22:54,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:54,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:54,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983717180]
[2024-12-05 09:22:54,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983717180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:54,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:54,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:22:54,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983624213]
[2024-12-05 09:22:54,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:54,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:54,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:54,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:54,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:54,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:54,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-05 09:22:54,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:54,345 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:54,345 INFO L139 ounterexampleChecker]: Examining path program with hash 658225144, occurence #1
[2024-12-05 09:22:54,345 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:54,345 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:54,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:54,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1221356551, now seen corresponding path program 1 times
[2024-12-05 09:22:54,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:54,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531849156]
[2024-12-05 09:22:54,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:54,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:54,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:54,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531849156]
[2024-12-05 09:22:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531849156] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:22:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231235211]
[2024-12-05 09:22:54,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:54,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:54,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:54,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:54,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,396 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:54,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:54,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-05 09:22:54,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-05 09:22:54,497 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:22:54,498 INFO L139 ounterexampleChecker]: Examining path program with hash 583359142, occurence #1
[2024-12-05 09:22:54,498 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:22:54,498 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:22:54,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:22:54,498 INFO L85 PathProgramCache]: Analyzing trace with hash 668320446, now seen corresponding path program 1 times
[2024-12-05 09:22:54,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:22:54,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133134123]
[2024-12-05 09:22:54,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:22:54,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:22:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:22:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:22:54,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:22:54,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133134123]
[2024-12-05 09:22:54,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133134123] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:22:54,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:22:54,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 09:22:54,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166167327]
[2024-12-05 09:22:54,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:22:54,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:22:54,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:22:54,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:22:54,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:22:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,529 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:22:54,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:22:54,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 09:22:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 09:22:54,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-05 09:22:54,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-05 09:22:54,603 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-05 09:22:54,604 INFO L319 ceAbstractionStarter]: Result for error location allocatorThread1of1ForFork1 was SAFE (3/3)
[2024-12-05 09:22:54,604 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 09:22:54,604 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 09:22:54,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 09:22:54,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:22:54 BasicIcfg
[2024-12-05 09:22:54,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 09:22:54,620 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 09:22:54,620 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-05 09:22:54,620 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-05 09:22:54,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:22:52" (3/4) ...
[2024-12-05 09:22:54,623 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-05 09:22:54,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator
[2024-12-05 09:22:54,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator
[2024-12-05 09:22:54,629 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges
[2024-12-05 09:22:54,630 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-05 09:22:54,630 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-05 09:22:54,630 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-05 09:22:54,686 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml
[2024-12-05 09:22:54,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml
[2024-12-05 09:22:54,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 09:22:54,688 INFO L158 Benchmark]: Toolchain (without parser) took 2936.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.4MB in the beginning and 74.7MB in the end (delta: 16.7MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB.
[2024-12-05 09:22:54,688 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:22:54,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.87ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 70.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-05 09:22:54,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.17ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:22:54,689 INFO L158 Benchmark]: Boogie Preprocessor took 22.65ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 68.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:22:54,689 INFO L158 Benchmark]: RCFGBuilder took 456.92ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 41.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-05 09:22:54,689 INFO L158 Benchmark]: TraceAbstraction took 1946.27ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 40.8MB in the beginning and 79.3MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:22:54,689 INFO L158 Benchmark]: Witness Printer took 66.53ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 74.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:22:54,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 402.87ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 70.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 35.17ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 22.65ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 68.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 456.92ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 41.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 1946.27ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 40.8MB in the beginning and 79.3MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 66.53ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 74.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 55, dependent conditional: 39, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 40, dependent conditional: 24, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 385, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 237, dependent conditional: 8, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1372, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 568, unknown conditional: 1, unknown unconditional: 567] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 805, Maximal queried relation: 2, Independence queries for same thread: 30, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 105, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 566, independent: 550, independent conditional: 0, independent unconditional: 550, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 55, dependent conditional: 39, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 40, dependent conditional: 24, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 385, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 237, dependent conditional: 8, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1372, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 568, unknown conditional: 1, unknown unconditional: 567] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 805, Maximal queried relation: 2, Independence queries for same thread: 30
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 355, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 0, Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 32, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 355, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 0, Independence queries for same thread: 3
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1088, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 40, dependent conditional: 23, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 55, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 55, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 35, dependent conditional: 9, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1073, independent: 981, independent conditional: 0, independent unconditional: 981, dependent: 37, dependent conditional: 1, dependent unconditional: 36, unknown: 55, unknown conditional: 1, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 603, Positive conditional cache size: 0, Positive unconditional cache size: 603, Negative cache size: 19, Negative conditional cache size: 1, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 524, Maximal queried relation: 2, Independence queries for same thread: 27, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 70, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 547, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1088, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 40, dependent conditional: 23, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 55, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 55, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 35, dependent conditional: 9, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1073, independent: 981, independent conditional: 0, independent unconditional: 981, dependent: 37, dependent conditional: 1, dependent unconditional: 36, unknown: 55, unknown conditional: 1, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 603, Positive conditional cache size: 0, Positive unconditional cache size: 603, Negative cache size: 19, Negative conditional cache size: 1, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 524, Maximal queried relation: 2, Independence queries for same thread: 27
- PositiveResult [Line: 710]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 702]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: de_allocatorThread1of1ForFork0 with 1 thread instances
CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.8s, 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: 15, 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, 0.3s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: allocatorThread1of1ForFork1 with 1 thread instances
CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-05 09:22:54,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6a63b8-5e56-4153-8c57-c48bf8fbb069/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE