./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/reorder_2-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:13:57,635 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:13:57,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-08 17:13:57,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:13:57,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:13:57,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:13:57,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:13:57,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:13:57,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:13:57,806 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:13:57,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:13:57,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:13:57,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:13:57,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:13:57,809 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:13:57,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:13:57,810 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:13:57,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:13:57,811 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:13:57,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:13:57,812 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 17:13:57,817 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 17:13:57,817 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-08 17:13:57,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:13:57,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:13:57,818 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:13:57,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:13:57,819 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:13:57,819 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:13:57,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:13:57,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:13:57,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:13:57,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:13:57,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:13:57,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:13:57,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:13:57,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:13:57,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:13:57,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:13:57,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:13:57,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:13:57,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:13:57,829 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0
[2024-11-08 17:13:58,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:13:58,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:13:58,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:13:58,272 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:13:58,273 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:13:58,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/reorder_2-2.i
Unable to find full path for "g++"
[2024-11-08 17:14:00,550 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:14:00,879 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:14:00,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/sv-benchmarks/c/pthread/reorder_2-2.i
[2024-11-08 17:14:00,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data/b488f2bf3/f0f93ba4eab54072b87e0e92937c94e1/FLAG6443a8063
[2024-11-08 17:14:01,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data/b488f2bf3/f0f93ba4eab54072b87e0e92937c94e1
[2024-11-08 17:14:01,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:14:01,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:14:01,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:14:01,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:14:01,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:14:01,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:14:01" (1/1) ...
[2024-11-08 17:14:01,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b7332b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:01, skipping insertion in model container
[2024-11-08 17:14:01,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:14:01" (1/1) ...
[2024-11-08 17:14:01,239 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:14:02,119 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:14:02,131 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:14:02,207 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:14:02,319 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:14:02,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02 WrapperNode
[2024-11-08 17:14:02,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:14:02,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:14:02,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:14:02,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:14:02,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,382 INFO L138 Inliner]: procedures = 372, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 133
[2024-11-08 17:14:02,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:14:02,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:14:02,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:14:02,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:14:02,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,430 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-11-08 17:14:02,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:14:02,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:14:02,455 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:14:02,456 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:14:02,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (1/1) ...
[2024-11-08 17:14:02,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:14:02,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:02,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:14:02,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:14:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 17:14:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:14:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:14:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 17:14:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 17:14:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 17:14:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 17:14:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure setThread
[2024-11-08 17:14:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread
[2024-11-08 17:14:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 17:14:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 17:14:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 17:14:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:14:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread
[2024-11-08 17:14:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread
[2024-11-08 17:14:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:14:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 17:14:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 17:14:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:14:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:14:02,572 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 17:14:02,789 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:14:02,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:14:03,175 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 17:14:03,175 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:14:03,386 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:14:03,387 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:14:03,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:03 BoogieIcfgContainer
[2024-11-08 17:14:03,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:14:03,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:14:03,395 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:14:03,399 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:14:03,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:14:01" (1/3) ...
[2024-11-08 17:14:03,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd6a9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:03, skipping insertion in model container
[2024-11-08 17:14:03,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:02" (2/3) ...
[2024-11-08 17:14:03,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd6a9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:03, skipping insertion in model container
[2024-11-08 17:14:03,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:03" (3/3) ...
[2024-11-08 17:14:03,403 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-2.i
[2024-11-08 17:14:03,425 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:14:03,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-08 17:14:03,425 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 17:14:03,493 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-08 17:14:03,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 71 transitions, 162 flow
[2024-11-08 17:14:03,655 INFO L124 PetriNetUnfolderBase]: 28/179 cut-off events.
[2024-11-08 17:14:03,656 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-08 17:14:03,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 179 events. 28/179 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 815 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 93. Up to 8 conditions per place.
[2024-11-08 17:14:03,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 71 transitions, 162 flow
[2024-11-08 17:14:03,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 71 transitions, 162 flow
[2024-11-08 17:14:03,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:14:03,687 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@adb94aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:14:03,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-08 17:14:03,692 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 17:14:03,692 INFO L124 PetriNetUnfolderBase]: 1/6 cut-off events.
[2024-11-08 17:14:03,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 17:14:03,693 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:03,694 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-08 17:14:03,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:03,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:03,701 INFO L85 PathProgramCache]: Analyzing trace with hash 11527099, now seen corresponding path program 1 times
[2024-11-08 17:14:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:14:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457042011]
[2024-11-08 17:14:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:14:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:03,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:14:03,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457042011]
[2024-11-08 17:14:03,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457042011] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:03,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:03,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 17:14:03,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474458606]
[2024-11-08 17:14:03,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:03,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:14:03,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:14:03,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:14:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:14:03,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 71
[2024-11-08 17:14:03,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 71 transitions, 162 flow. Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:04,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:04,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 71
[2024-11-08 17:14:04,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:04,174 INFO L124 PetriNetUnfolderBase]: 104/473 cut-off events.
[2024-11-08 17:14:04,175 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES.
[2024-11-08 17:14:04,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 473 events. 104/473 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3031 event pairs, 50 based on Foata normal form. 32/349 useless extension candidates. Maximal degree in co-relation 401. Up to 142 conditions per place.
[2024-11-08 17:14:04,185 INFO L140 encePairwiseOnDemand]: 66/71 looper letters, 21 selfloop transitions, 0 changer transitions 0/65 dead transitions.
[2024-11-08 17:14:04,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 192 flow
[2024-11-08 17:14:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:14:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-08 17:14:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 114 transitions.
[2024-11-08 17:14:04,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8028169014084507
[2024-11-08 17:14:04,203 INFO L175 Difference]: Start difference. First operand has 64 places, 71 transitions, 162 flow. Second operand 2 states and 114 transitions.
[2024-11-08 17:14:04,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 192 flow
[2024-11-08 17:14:04,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 65 transitions, 192 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 17:14:04,212 INFO L231 Difference]: Finished difference. Result has 62 places, 65 transitions, 150 flow
[2024-11-08 17:14:04,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=65}
[2024-11-08 17:14:04,220 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places.
[2024-11-08 17:14:04,220 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 65 transitions, 150 flow
[2024-11-08 17:14:04,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:04,221 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:04,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:04,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:14:04,222 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:04,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:04,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1807593736, now seen corresponding path program 1 times
[2024-11-08 17:14:04,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:14:04,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874088679]
[2024-11-08 17:14:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:14:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:04,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:14:04,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874088679]
[2024-11-08 17:14:04,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874088679] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:04,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:04,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:14:04,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930621693]
[2024-11-08 17:14:04,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:04,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:14:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:14:04,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:14:04,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:14:04,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 71
[2024-11-08 17:14:04,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 65 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:04,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:04,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 71
[2024-11-08 17:14:04,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:04,735 INFO L124 PetriNetUnfolderBase]: 115/469 cut-off events.
[2024-11-08 17:14:04,736 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2024-11-08 17:14:04,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 469 events. 115/469 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2999 event pairs, 41 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 658. Up to 120 conditions per place.
[2024-11-08 17:14:04,741 INFO L140 encePairwiseOnDemand]: 67/71 looper letters, 24 selfloop transitions, 2 changer transitions 0/66 dead transitions.
[2024-11-08 17:14:04,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 204 flow
[2024-11-08 17:14:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:14:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 17:14:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions.
[2024-11-08 17:14:04,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6948356807511737
[2024-11-08 17:14:04,744 INFO L175 Difference]: Start difference. First operand has 62 places, 65 transitions, 150 flow. Second operand 3 states and 148 transitions.
[2024-11-08 17:14:04,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 204 flow
[2024-11-08 17:14:04,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 66 transitions, 204 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 17:14:04,748 INFO L231 Difference]: Finished difference. Result has 62 places, 63 transitions, 150 flow
[2024-11-08 17:14:04,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=63}
[2024-11-08 17:14:04,750 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places.
[2024-11-08 17:14:04,750 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 150 flow
[2024-11-08 17:14:04,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:04,750 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:04,750 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:04,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:14:04,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:04,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:04,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1807593735, now seen corresponding path program 1 times
[2024-11-08 17:14:04,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:14:04,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192778925]
[2024-11-08 17:14:04,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:14:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:05,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:14:05,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192778925]
[2024-11-08 17:14:05,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192778925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:05,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:05,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:14:05,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037833122]
[2024-11-08 17:14:05,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:05,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:14:05,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:14:05,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:14:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:14:05,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 71
[2024-11-08 17:14:05,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 150 flow. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:05,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:05,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 71
[2024-11-08 17:14:05,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:05,745 INFO L124 PetriNetUnfolderBase]: 239/901 cut-off events.
[2024-11-08 17:14:05,745 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES.
[2024-11-08 17:14:05,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 901 events. 239/901 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 6868 event pairs, 110 based on Foata normal form. 2/711 useless extension candidates. Maximal degree in co-relation 1367. Up to 208 conditions per place.
[2024-11-08 17:14:05,756 INFO L140 encePairwiseOnDemand]: 64/71 looper letters, 49 selfloop transitions, 4 changer transitions 0/89 dead transitions.
[2024-11-08 17:14:05,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 89 transitions, 330 flow
[2024-11-08 17:14:05,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:14:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 17:14:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 208 transitions.
[2024-11-08 17:14:05,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7323943661971831
[2024-11-08 17:14:05,764 INFO L175 Difference]: Start difference. First operand has 62 places, 63 transitions, 150 flow. Second operand 4 states and 208 transitions.
[2024-11-08 17:14:05,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 89 transitions, 330 flow
[2024-11-08 17:14:05,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 89 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 17:14:05,771 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 174 flow
[2024-11-08 17:14:05,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=174, PETRI_PLACES=65, PETRI_TRANSITIONS=65}
[2024-11-08 17:14:05,772 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, 1 predicate places.
[2024-11-08 17:14:05,773 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 174 flow
[2024-11-08 17:14:05,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:05,773 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:05,773 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:05,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:14:05,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:05,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:05,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1009347922, now seen corresponding path program 1 times
[2024-11-08 17:14:05,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:14:05,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258959610]
[2024-11-08 17:14:05,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:05,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:14:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:14:05,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:14:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:14:05,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:14:05,899 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:14:05,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 15 remaining)
[2024-11-08 17:14:05,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (13 of 15 remaining)
[2024-11-08 17:14:05,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX (12 of 15 remaining)
[2024-11-08 17:14:05,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (11 of 15 remaining)
[2024-11-08 17:14:05,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 15 remaining)
[2024-11-08 17:14:05,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 15 remaining)
[2024-11-08 17:14:05,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 15 remaining)
[2024-11-08 17:14:05,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 15 remaining)
[2024-11-08 17:14:05,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 15 remaining)
[2024-11-08 17:14:05,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (5 of 15 remaining)
[2024-11-08 17:14:05,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 15 remaining)
[2024-11-08 17:14:05,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 15 remaining)
[2024-11-08 17:14:05,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 15 remaining)
[2024-11-08 17:14:05,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 15 remaining)
[2024-11-08 17:14:05,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 15 remaining)
[2024-11-08 17:14:05,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:14:05,912 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 17:14:05,959 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 17:14:05,959 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:14:05,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:14:05 BasicIcfg
[2024-11-08 17:14:05,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:14:05,973 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:14:05,973 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:14:05,974 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:14:05,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:03" (3/4) ...
[2024-11-08 17:14:05,978 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:14:05,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:14:05,981 INFO L158 Benchmark]: Toolchain (without parser) took 4825.86ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 125.7MB in the beginning and 72.0MB in the end (delta: 53.7MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB.
[2024-11-08 17:14:05,982 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:14:05,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1164.71ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 82.7MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-08 17:14:05,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.18ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 80.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:14:05,985 INFO L158 Benchmark]: Boogie Preprocessor took 70.80ms. Allocated memory is still 167.8MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:14:05,986 INFO L158 Benchmark]: RCFGBuilder took 936.64ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 77.5MB in the beginning and 164.6MB in the end (delta: -87.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB.
[2024-11-08 17:14:05,987 INFO L158 Benchmark]: TraceAbstraction took 2577.96ms. Allocated memory is still 218.1MB. Free memory was 163.5MB in the beginning and 72.0MB in the end (delta: 91.5MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB.
[2024-11-08 17:14:05,987 INFO L158 Benchmark]: Witness Printer took 6.46ms. Allocated memory is still 218.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:14:05,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1164.71ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 82.7MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.18ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 80.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 70.80ms. Allocated memory is still 167.8MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 936.64ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 77.5MB in the beginning and 164.6MB in the end (delta: -87.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 2577.96ms. Allocated memory is still 218.1MB. Free memory was 163.5MB in the beginning and 72.0MB in the end (delta: 91.5MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB.
* Witness Printer took 6.46ms. Allocated memory is still 218.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: overapproximation of sscanf at line 1254.
Possible FailurePath:
[L1238] static int iSet = 2;
[L1239] static int iCheck = 2;
[L1240] static int a = 0;
[L1241] static int b = 0;
[L1247] int i, err;
VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, iCheck=2, iSet=2]
[L1248] COND TRUE argc != 1
VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, iCheck=2, iSet=2]
[L1249] COND FALSE !(argc != 3)
VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, iCheck=2, iSet=2]
[L1253] argv[1]
[L1254] argv[2]
[L1257] pthread_t setPool[iSet];
[L1258] pthread_t checkPool[iCheck];
[L1259] i = 0
VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, checkPool={5:0}, i=0, iCheck=0, iSet=1073741824, setPool={4:0}]
[L1259] COND FALSE !(i < iSet)
VAL [a=0, b=0, iCheck=0, iSet=1073741824]
[L1259] COND TRUE i < iSet
- UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 1253]: Unable to prove that array index is always in bounds
Unable to prove that array index is always in bounds
Reason: Not analyzed.
- UnprovableResult [Line: 1254]: Unable to prove that array index is always in bounds
Unable to prove that array index is always in bounds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 1246]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 1260]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1266]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 75 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 22 mSDtfsCounter, 356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=3, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 17:14:06,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:14:08,728 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:14:08,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-08 17:14:08,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:14:08,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:14:08,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:14:08,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:14:08,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:14:08,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:14:08,917 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:14:08,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:14:08,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:14:08,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:14:08,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:14:08,922 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:14:08,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:14:08,923 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:14:08,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:14:08,924 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:14:08,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:14:08,925 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 17:14:08,930 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 17:14:08,930 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-08 17:14:08,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:14:08,931 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:14:08,931 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:14:08,932 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:14:08,932 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:14:08,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:14:08,933 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:14:08,933 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:14:08,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:14:08,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:14:08,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:14:08,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:14:08,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:14:08,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:14:08,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:14:08,940 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:14:08,940 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:14:08,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:14:08,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:14:08,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:14:08,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:14:08,954 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0
[2024-11-08 17:14:09,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:14:09,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:14:09,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:14:09,485 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:14:09,486 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:14:09,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/reorder_2-2.i
Unable to find full path for "g++"
[2024-11-08 17:14:11,902 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:14:12,341 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:14:12,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/sv-benchmarks/c/pthread/reorder_2-2.i
[2024-11-08 17:14:12,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data/361765eb4/1500f82f409d45d7ad788c535da439a7/FLAGa39c1ff5a
[2024-11-08 17:14:12,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/data/361765eb4/1500f82f409d45d7ad788c535da439a7
[2024-11-08 17:14:12,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:14:12,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:14:12,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:14:12,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:14:12,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:14:12,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:14:12" (1/1) ...
[2024-11-08 17:14:12,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3046e8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:12, skipping insertion in model container
[2024-11-08 17:14:12,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:14:12" (1/1) ...
[2024-11-08 17:14:12,601 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:14:13,454 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:14:13,471 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:14:13,537 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:14:13,673 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:14:13,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13 WrapperNode
[2024-11-08 17:14:13,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:14:13,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:14:13,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:14:13,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:14:13,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,773 INFO L138 Inliner]: procedures = 375, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132
[2024-11-08 17:14:13,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:14:13,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:14:13,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:14:13,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:14:13,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,838 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-11-08 17:14:13,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:14:13,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:14:13,891 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:14:13,892 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:14:13,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (1/1) ...
[2024-11-08 17:14:13,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:14:13,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:13,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:14:13,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:14:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 17:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-08 17:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-08 17:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 17:14:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:14:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:14:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-08 17:14:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-08 17:14:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-08 17:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-08 17:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-08 17:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 17:14:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure setThread
[2024-11-08 17:14:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread
[2024-11-08 17:14:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:14:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread
[2024-11-08 17:14:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread
[2024-11-08 17:14:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:14:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:14:13,996 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 17:14:14,276 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:14:14,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:14:14,696 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 17:14:14,697 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:14:14,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:14:14,988 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:14:14,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:14 BoogieIcfgContainer
[2024-11-08 17:14:14,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:14:14,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:14:14,994 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:14:14,997 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:14:14,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:14:12" (1/3) ...
[2024-11-08 17:14:14,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:14, skipping insertion in model container
[2024-11-08 17:14:14,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:13" (2/3) ...
[2024-11-08 17:14:15,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:14, skipping insertion in model container
[2024-11-08 17:14:15,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:14" (3/3) ...
[2024-11-08 17:14:15,002 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-2.i
[2024-11-08 17:14:15,022 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:14:15,022 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-08 17:14:15,022 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 17:14:15,113 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-08 17:14:15,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 71 transitions, 162 flow
[2024-11-08 17:14:15,254 INFO L124 PetriNetUnfolderBase]: 28/179 cut-off events.
[2024-11-08 17:14:15,255 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-08 17:14:15,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 179 events. 28/179 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 816 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 93. Up to 8 conditions per place.
[2024-11-08 17:14:15,260 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 71 transitions, 162 flow
[2024-11-08 17:14:15,265 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 71 transitions, 162 flow
[2024-11-08 17:14:15,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:14:15,282 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6e35126c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:14:15,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-08 17:14:15,286 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 17:14:15,286 INFO L124 PetriNetUnfolderBase]: 1/6 cut-off events.
[2024-11-08 17:14:15,286 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 17:14:15,287 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:15,287 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-08 17:14:15,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:15,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:15,294 INFO L85 PathProgramCache]: Analyzing trace with hash 11465531, now seen corresponding path program 1 times
[2024-11-08 17:14:15,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:14:15,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20611482]
[2024-11-08 17:14:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:15,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:15,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:15,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:14:15,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:14:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:15,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 17:14:15,446 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:14:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:15,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:14:15,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:14:15,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20611482]
[2024-11-08 17:14:15,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20611482] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:15,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:15,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 17:14:15,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958473303]
[2024-11-08 17:14:15,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:15,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:14:15,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:14:15,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:14:15,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:14:15,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 71
[2024-11-08 17:14:15,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 71 transitions, 162 flow. Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:15,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:15,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 71
[2024-11-08 17:14:15,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:15,796 INFO L124 PetriNetUnfolderBase]: 104/473 cut-off events.
[2024-11-08 17:14:15,796 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES.
[2024-11-08 17:14:15,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 473 events. 104/473 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3027 event pairs, 50 based on Foata normal form. 32/349 useless extension candidates. Maximal degree in co-relation 401. Up to 142 conditions per place.
[2024-11-08 17:14:15,808 INFO L140 encePairwiseOnDemand]: 66/71 looper letters, 21 selfloop transitions, 0 changer transitions 0/65 dead transitions.
[2024-11-08 17:14:15,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 192 flow
[2024-11-08 17:14:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:14:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-08 17:14:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 114 transitions.
[2024-11-08 17:14:15,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8028169014084507
[2024-11-08 17:14:15,827 INFO L175 Difference]: Start difference. First operand has 64 places, 71 transitions, 162 flow. Second operand 2 states and 114 transitions.
[2024-11-08 17:14:15,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 192 flow
[2024-11-08 17:14:15,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 65 transitions, 192 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 17:14:15,840 INFO L231 Difference]: Finished difference. Result has 62 places, 65 transitions, 150 flow
[2024-11-08 17:14:15,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=65}
[2024-11-08 17:14:15,849 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places.
[2024-11-08 17:14:15,849 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 65 transitions, 150 flow
[2024-11-08 17:14:15,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:15,850 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:15,850 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:15,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 17:14:16,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:16,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:16,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1866760648, now seen corresponding path program 1 times
[2024-11-08 17:14:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:14:16,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131082459]
[2024-11-08 17:14:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:16,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:16,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:14:16,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:14:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:16,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:14:16,173 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:14:16,283 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size
[2024-11-08 17:14:16,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15
[2024-11-08 17:14:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:16,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:14:16,369 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:14:16,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131082459]
[2024-11-08 17:14:16,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131082459] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:16,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:16,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:14:16,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320976159]
[2024-11-08 17:14:16,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:16,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:14:16,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:14:16,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:14:16,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:14:16,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 71
[2024-11-08 17:14:16,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 65 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:16,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:16,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 71
[2024-11-08 17:14:16,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:16,673 INFO L124 PetriNetUnfolderBase]: 115/469 cut-off events.
[2024-11-08 17:14:16,673 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2024-11-08 17:14:16,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 469 events. 115/469 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3006 event pairs, 41 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 658. Up to 120 conditions per place.
[2024-11-08 17:14:16,681 INFO L140 encePairwiseOnDemand]: 67/71 looper letters, 24 selfloop transitions, 2 changer transitions 0/66 dead transitions.
[2024-11-08 17:14:16,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 204 flow
[2024-11-08 17:14:16,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:14:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 17:14:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions.
[2024-11-08 17:14:16,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6948356807511737
[2024-11-08 17:14:16,686 INFO L175 Difference]: Start difference. First operand has 62 places, 65 transitions, 150 flow. Second operand 3 states and 148 transitions.
[2024-11-08 17:14:16,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 204 flow
[2024-11-08 17:14:16,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 66 transitions, 204 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 17:14:16,691 INFO L231 Difference]: Finished difference. Result has 62 places, 63 transitions, 150 flow
[2024-11-08 17:14:16,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=63}
[2024-11-08 17:14:16,693 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places.
[2024-11-08 17:14:16,694 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 150 flow
[2024-11-08 17:14:16,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:16,694 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:16,695 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:16,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 17:14:16,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:16,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:16,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:16,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1866760647, now seen corresponding path program 1 times
[2024-11-08 17:14:16,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:14:16,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980537176]
[2024-11-08 17:14:16,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:16,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:16,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:16,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:14:16,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 17:14:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:17,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 17:14:17,039 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:14:17,147 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2024-11-08 17:14:17,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11
[2024-11-08 17:14:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:17,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:14:17,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:14:17,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980537176]
[2024-11-08 17:14:17,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980537176] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:17,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:17,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:14:17,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314999179]
[2024-11-08 17:14:17,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:17,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:14:17,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:14:17,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:14:17,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:14:17,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 71
[2024-11-08 17:14:17,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:17,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:17,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 71
[2024-11-08 17:14:17,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:17,855 INFO L124 PetriNetUnfolderBase]: 230/945 cut-off events.
[2024-11-08 17:14:17,855 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES.
[2024-11-08 17:14:17,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 945 events. 230/945 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 7442 event pairs, 85 based on Foata normal form. 2/693 useless extension candidates. Maximal degree in co-relation 1347. Up to 167 conditions per place.
[2024-11-08 17:14:17,862 INFO L140 encePairwiseOnDemand]: 63/71 looper letters, 45 selfloop transitions, 6 changer transitions 0/91 dead transitions.
[2024-11-08 17:14:17,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 91 transitions, 335 flow
[2024-11-08 17:14:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:14:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 17:14:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 221 transitions.
[2024-11-08 17:14:17,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.778169014084507
[2024-11-08 17:14:17,865 INFO L175 Difference]: Start difference. First operand has 62 places, 63 transitions, 150 flow. Second operand 4 states and 221 transitions.
[2024-11-08 17:14:17,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 91 transitions, 335 flow
[2024-11-08 17:14:17,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 91 transitions, 325 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 17:14:17,869 INFO L231 Difference]: Finished difference. Result has 65 places, 67 transitions, 188 flow
[2024-11-08 17:14:17,869 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=65, PETRI_TRANSITIONS=67}
[2024-11-08 17:14:17,870 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, 1 predicate places.
[2024-11-08 17:14:17,870 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 67 transitions, 188 flow
[2024-11-08 17:14:17,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:17,870 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:17,870 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:17,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 17:14:18,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:18,071 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:18,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:18,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1336712859, now seen corresponding path program 1 times
[2024-11-08 17:14:18,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:14:18,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945618427]
[2024-11-08 17:14:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:18,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:18,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:14:18,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 17:14:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:18,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:14:18,157 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:14:18,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-11-08 17:14:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-08 17:14:18,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1
[2024-11-08 17:14:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:18,206 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:14:18,206 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:14:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945618427]
[2024-11-08 17:14:18,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945618427] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:18,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:18,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:14:18,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461302499]
[2024-11-08 17:14:18,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:18,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:14:18,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:14:18,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:14:18,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:14:18,258 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 71
[2024-11-08 17:14:18,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 67 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:18,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:18,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 71
[2024-11-08 17:14:18,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:18,447 INFO L124 PetriNetUnfolderBase]: 248/914 cut-off events.
[2024-11-08 17:14:18,447 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES.
[2024-11-08 17:14:18,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1423 conditions, 914 events. 248/914 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6986 event pairs, 100 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 1415. Up to 277 conditions per place.
[2024-11-08 17:14:18,453 INFO L140 encePairwiseOnDemand]: 67/71 looper letters, 26 selfloop transitions, 4 changer transitions 0/68 dead transitions.
[2024-11-08 17:14:18,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 68 transitions, 250 flow
[2024-11-08 17:14:18,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:14:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 17:14:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions.
[2024-11-08 17:14:18,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6948356807511737
[2024-11-08 17:14:18,455 INFO L175 Difference]: Start difference. First operand has 65 places, 67 transitions, 188 flow. Second operand 3 states and 148 transitions.
[2024-11-08 17:14:18,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 68 transitions, 250 flow
[2024-11-08 17:14:18,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 68 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 17:14:18,458 INFO L231 Difference]: Finished difference. Result has 64 places, 65 transitions, 190 flow
[2024-11-08 17:14:18,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=64, PETRI_TRANSITIONS=65}
[2024-11-08 17:14:18,459 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, 0 predicate places.
[2024-11-08 17:14:18,459 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 65 transitions, 190 flow
[2024-11-08 17:14:18,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:18,460 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:18,460 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:18,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-08 17:14:18,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:18,664 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:18,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1336712860, now seen corresponding path program 1 times
[2024-11-08 17:14:18,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:14:18,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849491642]
[2024-11-08 17:14:18,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:18,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:18,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:18,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:14:18,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 17:14:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:14:18,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:14:18,765 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:14:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:14:18,809 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:14:18,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:14:18,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849491642]
[2024-11-08 17:14:18,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849491642] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:14:18,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:14:18,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:14:18,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267763574]
[2024-11-08 17:14:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:14:18,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:14:18,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:14:18,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:14:18,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:14:18,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 71
[2024-11-08 17:14:18,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 65 transitions, 190 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:18,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:14:18,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 71
[2024-11-08 17:14:18,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:14:19,182 INFO L124 PetriNetUnfolderBase]: 206/773 cut-off events.
[2024-11-08 17:14:19,182 INFO L125 PetriNetUnfolderBase]: For 159/159 co-relation queries the response was YES.
[2024-11-08 17:14:19,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1286 conditions, 773 events. 206/773 cut-off events. For 159/159 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 5522 event pairs, 103 based on Foata normal form. 17/655 useless extension candidates. Maximal degree in co-relation 1278. Up to 230 conditions per place.
[2024-11-08 17:14:19,188 INFO L140 encePairwiseOnDemand]: 56/71 looper letters, 52 selfloop transitions, 11 changer transitions 1/97 dead transitions.
[2024-11-08 17:14:19,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 97 transitions, 406 flow
[2024-11-08 17:14:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:14:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 17:14:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 216 transitions.
[2024-11-08 17:14:19,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7605633802816901
[2024-11-08 17:14:19,193 INFO L175 Difference]: Start difference. First operand has 64 places, 65 transitions, 190 flow. Second operand 4 states and 216 transitions.
[2024-11-08 17:14:19,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 97 transitions, 406 flow
[2024-11-08 17:14:19,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 97 transitions, 384 flow, removed 6 selfloop flow, removed 2 redundant places.
[2024-11-08 17:14:19,201 INFO L231 Difference]: Finished difference. Result has 67 places, 70 transitions, 242 flow
[2024-11-08 17:14:19,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=67, PETRI_TRANSITIONS=70}
[2024-11-08 17:14:19,204 INFO L277 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places.
[2024-11-08 17:14:19,206 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 70 transitions, 242 flow
[2024-11-08 17:14:19,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:14:19,206 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:14:19,206 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:19,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-08 17:14:19,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:19,411 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] ===
[2024-11-08 17:14:19,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:14:19,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1580733356, now seen corresponding path program 1 times
[2024-11-08 17:14:19,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:14:19,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642941736]
[2024-11-08 17:14:19,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:14:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:14:19,415 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:14:19,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 17:14:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:14:19,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:14:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:14:19,578 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 17:14:19,578 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:14:19,579 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 15 remaining)
[2024-11-08 17:14:19,582 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (13 of 15 remaining)
[2024-11-08 17:14:19,583 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX (12 of 15 remaining)
[2024-11-08 17:14:19,583 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (11 of 15 remaining)
[2024-11-08 17:14:19,583 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 15 remaining)
[2024-11-08 17:14:19,584 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 15 remaining)
[2024-11-08 17:14:19,584 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 15 remaining)
[2024-11-08 17:14:19,584 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 15 remaining)
[2024-11-08 17:14:19,584 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 15 remaining)
[2024-11-08 17:14:19,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (5 of 15 remaining)
[2024-11-08 17:14:19,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 15 remaining)
[2024-11-08 17:14:19,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 15 remaining)
[2024-11-08 17:14:19,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 15 remaining)
[2024-11-08 17:14:19,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 15 remaining)
[2024-11-08 17:14:19,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 15 remaining)
[2024-11-08 17:14:19,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 17:14:19,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:14:19,787 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-08 17:14:19,810 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 17:14:19,810 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:14:19,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:14:19 BasicIcfg
[2024-11-08 17:14:19,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:14:19,820 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:14:19,820 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:14:19,820 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:14:19,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:14" (3/4) ...
[2024-11-08 17:14:19,827 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:14:19,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:14:19,829 INFO L158 Benchmark]: Toolchain (without parser) took 7301.14ms. Allocated memory was 75.5MB in the beginning and 123.7MB in the end (delta: 48.2MB). Free memory was 48.4MB in the beginning and 89.4MB in the end (delta: -41.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 17:14:19,829 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:14:19,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1143.47ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 48.1MB in the beginning and 71.0MB in the end (delta: -22.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB.
[2024-11-08 17:14:19,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.83ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 68.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:14:19,830 INFO L158 Benchmark]: Boogie Preprocessor took 112.70ms. Allocated memory is still 102.8MB. Free memory was 68.2MB in the beginning and 65.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:14:19,831 INFO L158 Benchmark]: RCFGBuilder took 1100.30ms. Allocated memory is still 102.8MB. Free memory was 65.2MB in the beginning and 55.3MB in the end (delta: 9.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
[2024-11-08 17:14:19,831 INFO L158 Benchmark]: TraceAbstraction took 4825.88ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 54.3MB in the beginning and 89.4MB in the end (delta: -35.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
[2024-11-08 17:14:19,832 INFO L158 Benchmark]: Witness Printer took 8.35ms. Allocated memory is still 123.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:14:19,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1143.47ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 48.1MB in the beginning and 71.0MB in the end (delta: -22.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 97.83ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 68.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 112.70ms. Allocated memory is still 102.8MB. Free memory was 68.2MB in the beginning and 65.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1100.30ms. Allocated memory is still 102.8MB. Free memory was 65.2MB in the beginning and 55.3MB in the end (delta: 9.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 4825.88ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 54.3MB in the beginning and 89.4MB in the end (delta: -35.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
* Witness Printer took 8.35ms. Allocated memory is still 123.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: overapproximation of sscanf at line 1254.
Possible FailurePath:
[L1238] static int iSet = 2;
[L1239] static int iCheck = 2;
[L1240] static int a = 0;
[L1241] static int b = 0;
[L1247] int i, err;
VAL [\old(argc)=3, \old(argv)={0:0}, a=0, argc=3, b=0, iCheck=2, iSet=2]
[L1248] COND TRUE argc != 1
VAL [\old(argc)=3, \old(argv)={0:0}, a=0, argc=3, b=0, iCheck=2, iSet=2]
[L1249] COND FALSE !(argc != 3)
VAL [\old(argc)=3, \old(argv)={0:0}, a=0, argc=3, b=0, iCheck=2, iSet=2]
[L1253] argv[1]
[L1254] argv[2]
[L1257] pthread_t setPool[iSet];
[L1258] pthread_t checkPool[iCheck];
[L1259] i = 0
VAL [\old(argc)=3, \old(argv)={0:0}, a=0, argc=3, b=0, checkPool={3:0}, i=0, iCheck=0, iSet=1073741824, setPool={7:0}]
[L1259] COND FALSE !(i < iSet)
VAL [a=0, b=0, iCheck=0, iSet=1073741824]
[L1259] COND TRUE i < iSet
- UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 1253]: Unable to prove that array index is always in bounds
Unable to prove that array index is always in bounds
Reason: Not analyzed.
- UnprovableResult [Line: 1254]: Unable to prove that array index is always in bounds
Unable to prove that array index is always in bounds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 1246]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 1260]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1266]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 75 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 14 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=5, InterpolantAutomatonStates: 16, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 27 ConstructedInterpolants, 6 QuantifiedInterpolants, 175 SizeOfPredicates, 5 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 19 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 17:14:19,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06fcde8-3867-41a0-adfc-1db1825c793c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample