./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/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_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:11:57,954 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:11:58,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 19:11:58,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:11:58,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:11:58,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:11:58,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:11:58,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:11:58,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:11:58,099 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:11:58,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:11:58,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:11:58,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:11:58,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:11:58,102 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:11:58,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:11:58,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:11:58,103 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 19:11:58,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:11:58,104 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 19:11:58,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:11:58,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:11:58,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:11:58,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:11:58,107 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:11:58,107 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 19:11:58,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:11:58,108 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:11:58,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:11:58,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:11:58,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:11:58,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:11:58,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:11:58,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:11:58,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:11:58,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:11:58,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:11:58,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:11:58,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:11:58,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:11:58,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:11:58,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:11:58,131 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_c07e0021-9f86-40db-9c32-88497215883f/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af
[2024-11-08 19:11:58,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:11:58,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:11:58,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:11:58,548 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:11:58,548 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:11:58,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c
Unable to find full path for "g++"
[2024-11-08 19:12:01,037 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:12:01,305 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:12:01,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c
[2024-11-08 19:12:01,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/data/444c76061/a4beeb541b4f431b81cddbbfd406b88d/FLAGf47fce7cd
[2024-11-08 19:12:01,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/data/444c76061/a4beeb541b4f431b81cddbbfd406b88d
[2024-11-08 19:12:01,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:12:01,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:12:01,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:12:01,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:12:01,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:12:01,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea88090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01, skipping insertion in model container
[2024-11-08 19:12:01,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,411 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:12:01,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2525,2538]
[2024-11-08 19:12:01,684 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:12:01,695 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:12:01,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2525,2538]
[2024-11-08 19:12:01,724 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:12:01,743 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:12:01,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01 WrapperNode
[2024-11-08 19:12:01,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:12:01,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:12:01,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:12:01,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:12:01,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,791 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87
[2024-11-08 19:12:01,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:12:01,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:12:01,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:12:01,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:12:01,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,842 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-08 19:12:01,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:12:01,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:12:01,878 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:12:01,880 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:12:01,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ...
[2024-11-08 19:12:01,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:12:01,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:12:01,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:12:01,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:12:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:12:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-08 19:12:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-08 19:12:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-08 19:12:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-08 19:12:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-08 19:12:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-08 19:12:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:12:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 19:12:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 19:12:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 19:12:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 19:12:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 19:12:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 19:12:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:12:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:12:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 19:12:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 19:12:01,990 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 19:12:02,131 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:12:02,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:12:02,404 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 19:12:02,404 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:12:02,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:12:02,657 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 19:12:02,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:12:02 BoogieIcfgContainer
[2024-11-08 19:12:02,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:12:02,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:12:02,664 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:12:02,670 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:12:02,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:12:01" (1/3) ...
[2024-11-08 19:12:02,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd71a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:12:02, skipping insertion in model container
[2024-11-08 19:12:02,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (2/3) ...
[2024-11-08 19:12:02,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd71a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:12:02, skipping insertion in model container
[2024-11-08 19:12:02,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:12:02" (3/3) ...
[2024-11-08 19:12:02,674 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c
[2024-11-08 19:12:02,695 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:12:02,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 19:12:02,696 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 19:12:02,788 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-08 19:12:02,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 40 transitions, 101 flow
[2024-11-08 19:12:02,886 INFO L124 PetriNetUnfolderBase]: 6/37 cut-off events.
[2024-11-08 19:12:02,887 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-08 19:12:02,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 37 events. 6/37 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place.
[2024-11-08 19:12:02,896 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 40 transitions, 101 flow
[2024-11-08 19:12:02,906 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 36 transitions, 90 flow
[2024-11-08 19:12:02,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:12:02,942 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a1aab5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:12:02,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-08 19:12:02,978 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 19:12:02,979 INFO L124 PetriNetUnfolderBase]: 6/35 cut-off events.
[2024-11-08 19:12:02,979 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-08 19:12:02,979 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:12:02,980 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:12:02,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-08 19:12:02,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:12:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash -349905811, now seen corresponding path program 1 times
[2024-11-08 19:12:03,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:12:03,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715305525]
[2024-11-08 19:12:03,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:12:03,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:12:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:12:03,680 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 19:12:03,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:12:03,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715305525]
[2024-11-08 19:12:03,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715305525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:12:03,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:12:03,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:12:03,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629486526]
[2024-11-08 19:12:03,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:12:03,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:12:03,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:12:03,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:12:03,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:12:03,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40
[2024-11-08 19:12:03,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 36 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 19:12:03,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:12:03,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40
[2024-11-08 19:12:03,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:12:04,253 INFO L124 PetriNetUnfolderBase]: 396/682 cut-off events.
[2024-11-08 19:12:04,254 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES.
[2024-11-08 19:12:04,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1360 conditions, 682 events. 396/682 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3262 event pairs, 207 based on Foata normal form. 52/696 useless extension candidates. Maximal degree in co-relation 1236. Up to 434 conditions per place.
[2024-11-08 19:12:04,274 INFO L140 encePairwiseOnDemand]: 35/40 looper letters, 32 selfloop transitions, 3 changer transitions 0/47 dead transitions.
[2024-11-08 19:12:04,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 47 transitions, 188 flow
[2024-11-08 19:12:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:12:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:12:04,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions.
[2024-11-08 19:12:04,294 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.60625
[2024-11-08 19:12:04,298 INFO L175 Difference]: Start difference. First operand has 40 places, 36 transitions, 90 flow. Second operand 4 states and 97 transitions.
[2024-11-08 19:12:04,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 47 transitions, 188 flow
[2024-11-08 19:12:04,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 47 transitions, 172 flow, removed 0 selfloop flow, removed 6 redundant places.
[2024-11-08 19:12:04,312 INFO L231 Difference]: Finished difference. Result has 38 places, 37 transitions, 94 flow
[2024-11-08 19:12:04,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=38, PETRI_TRANSITIONS=37}
[2024-11-08 19:12:04,325 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places.
[2024-11-08 19:12:04,326 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 94 flow
[2024-11-08 19:12:04,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 19:12:04,327 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:12:04,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:12:04,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:12:04,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-08 19:12:04,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:12:04,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1391962317, now seen corresponding path program 1 times
[2024-11-08 19:12:04,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:12:04,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100683270]
[2024-11-08 19:12:04,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:12:04,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:12:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:12:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 19:12:04,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:12:04,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100683270]
[2024-11-08 19:12:04,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100683270] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:12:04,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:12:04,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:12:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765028538]
[2024-11-08 19:12:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:12:04,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:12:04,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:12:04,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:12:04,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:12:04,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40
[2024-11-08 19:12:04,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 19:12:04,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:12:04,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40
[2024-11-08 19:12:04,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:12:04,906 INFO L124 PetriNetUnfolderBase]: 608/1093 cut-off events.
[2024-11-08 19:12:04,906 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES.
[2024-11-08 19:12:04,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2245 conditions, 1093 events. 608/1093 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5765 event pairs, 320 based on Foata normal form. 76/1134 useless extension candidates. Maximal degree in co-relation 297. Up to 635 conditions per place.
[2024-11-08 19:12:04,918 INFO L140 encePairwiseOnDemand]: 35/40 looper letters, 35 selfloop transitions, 3 changer transitions 0/50 dead transitions.
[2024-11-08 19:12:04,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 50 transitions, 206 flow
[2024-11-08 19:12:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:12:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:12:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 98 transitions.
[2024-11-08 19:12:04,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6125
[2024-11-08 19:12:04,922 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 94 flow. Second operand 4 states and 98 transitions.
[2024-11-08 19:12:04,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 50 transitions, 206 flow
[2024-11-08 19:12:04,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 50 transitions, 200 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 19:12:04,926 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 106 flow
[2024-11-08 19:12:04,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=40, PETRI_TRANSITIONS=38}
[2024-11-08 19:12:04,927 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places.
[2024-11-08 19:12:04,927 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 106 flow
[2024-11-08 19:12:04,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 19:12:04,928 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:12:04,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:12:04,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:12:04,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-08 19:12:04,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:12:04,930 INFO L85 PathProgramCache]: Analyzing trace with hash 759338685, now seen corresponding path program 1 times
[2024-11-08 19:12:04,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:12:04,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942642622]
[2024-11-08 19:12:04,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:12:04,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:12:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:12:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 19:12:05,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:12:05,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942642622]
[2024-11-08 19:12:05,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942642622] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:12:05,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:12:05,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:12:05,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229496762]
[2024-11-08 19:12:05,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:12:05,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:12:05,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:12:05,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:12:05,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:12:05,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40
[2024-11-08 19:12:05,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 19:12:05,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:12:05,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40
[2024-11-08 19:12:05,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:12:05,398 INFO L124 PetriNetUnfolderBase]: 523/971 cut-off events.
[2024-11-08 19:12:05,398 INFO L125 PetriNetUnfolderBase]: For 244/244 co-relation queries the response was YES.
[2024-11-08 19:12:05,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2114 conditions, 971 events. 523/971 cut-off events. For 244/244 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5142 event pairs, 388 based on Foata normal form. 1/936 useless extension candidates. Maximal degree in co-relation 506. Up to 714 conditions per place.
[2024-11-08 19:12:05,407 INFO L140 encePairwiseOnDemand]: 35/40 looper letters, 25 selfloop transitions, 2 changer transitions 2/41 dead transitions.
[2024-11-08 19:12:05,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 41 transitions, 170 flow
[2024-11-08 19:12:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:12:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:12:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions.
[2024-11-08 19:12:05,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.55
[2024-11-08 19:12:05,409 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 106 flow. Second operand 4 states and 88 transitions.
[2024-11-08 19:12:05,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 41 transitions, 170 flow
[2024-11-08 19:12:05,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 41 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 19:12:05,412 INFO L231 Difference]: Finished difference. Result has 43 places, 39 transitions, 118 flow
[2024-11-08 19:12:05,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=43, PETRI_TRANSITIONS=39}
[2024-11-08 19:12:05,413 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places.
[2024-11-08 19:12:05,413 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 39 transitions, 118 flow
[2024-11-08 19:12:05,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 19:12:05,414 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:12:05,414 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:12:05,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 19:12:05,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-08 19:12:05,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:12:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1292022155, now seen corresponding path program 1 times
[2024-11-08 19:12:05,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:12:05,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698738336]
[2024-11-08 19:12:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:12:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:12:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:12:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 19:12:05,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:12:05,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698738336]
[2024-11-08 19:12:05,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698738336] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:12:05,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704023791]
[2024-11-08 19:12:05,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:12:05,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:12:05,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:12:06,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:12:06,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 19:12:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:12:06,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-08 19:12:06,168 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:12:06,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-08 19:12:06,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-11-08 19:12:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:12:06,647 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:12:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 19:12:07,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704023791] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:12:07,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:12:07,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 7] total 15
[2024-11-08 19:12:07,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442652530]
[2024-11-08 19:12:07,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:12:07,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 19:12:07,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:12:07,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 19:12:07,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210
[2024-11-08 19:12:07,617 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40
[2024-11-08 19:12:07,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 118 flow. Second operand has 15 states, 15 states have (on average 20.2) internal successors, (303), 15 states have internal predecessors, (303), 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 19:12:07,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:12:07,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40
[2024-11-08 19:12:07,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:12:08,828 INFO L124 PetriNetUnfolderBase]: 1172/2064 cut-off events.
[2024-11-08 19:12:08,828 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES.
[2024-11-08 19:12:08,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4336 conditions, 2064 events. 1172/2064 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 11724 event pairs, 65 based on Foata normal form. 3/2054 useless extension candidates. Maximal degree in co-relation 4321. Up to 325 conditions per place.
[2024-11-08 19:12:08,841 INFO L140 encePairwiseOnDemand]: 29/40 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions.
[2024-11-08 19:12:08,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 160 transitions, 730 flow
[2024-11-08 19:12:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-08 19:12:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2024-11-08 19:12:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 437 transitions.
[2024-11-08 19:12:08,846 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6069444444444444
[2024-11-08 19:12:08,846 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 118 flow. Second operand 18 states and 437 transitions.
[2024-11-08 19:12:08,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 160 transitions, 730 flow
[2024-11-08 19:12:08,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 160 transitions, 726 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-08 19:12:08,852 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow
[2024-11-08 19:12:08,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0}
[2024-11-08 19:12:08,853 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 15 predicate places.
[2024-11-08 19:12:08,854 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow
[2024-11-08 19:12:08,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 20.2) internal successors, (303), 15 states have internal predecessors, (303), 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 19:12:08,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2024-11-08 19:12:08,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-11-08 19:12:08,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-08 19:12:08,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-11-08 19:12:08,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 19:12:09,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:12:09,065 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 19:12:09,069 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 19:12:09,069 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:12:09,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:12:09 BasicIcfg
[2024-11-08 19:12:09,076 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:12:09,077 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:12:09,077 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:12:09,077 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 19:12:09,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:12:02" (3/4) ...
[2024-11-08 19:12:09,082 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 19:12:09,087 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-08 19:12:09,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-08 19:12:09,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-11-08 19:12:09,100 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges
[2024-11-08 19:12:09,101 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-11-08 19:12:09,101 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-08 19:12:09,102 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-08 19:12:09,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:12:09,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 19:12:09,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:12:09,261 INFO L158 Benchmark]: Toolchain (without parser) took 7920.90ms. Allocated memory was 123.7MB in the beginning and 237.0MB in the end (delta: 113.2MB). Free memory was 59.1MB in the beginning and 155.4MB in the end (delta: -96.3MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,261 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:12:09,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.94ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 59.0MB in the beginning and 121.6MB in the end (delta: -62.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.91ms. Allocated memory is still 161.5MB. Free memory was 120.8MB in the beginning and 119.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,262 INFO L158 Benchmark]: Boogie Preprocessor took 84.32ms. Allocated memory is still 161.5MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,263 INFO L158 Benchmark]: RCFGBuilder took 780.61ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 99.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,263 INFO L158 Benchmark]: TraceAbstraction took 6412.52ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 98.5MB in the beginning and 160.2MB in the end (delta: -61.7MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,265 INFO L158 Benchmark]: Witness Printer took 182.97ms. Allocated memory is still 237.0MB. Free memory was 160.2MB in the beginning and 155.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 19:12:09,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 402.94ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 59.0MB in the beginning and 121.6MB in the end (delta: -62.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.91ms. Allocated memory is still 161.5MB. Free memory was 120.8MB in the beginning and 119.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 84.32ms. Allocated memory is still 161.5MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 780.61ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 99.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 6412.52ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 98.5MB in the beginning and 160.2MB in the end (delta: -61.7MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB.
* Witness Printer took 182.97ms. Allocated memory is still 237.0MB. Free memory was 160.2MB in the beginning and 155.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 98]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 56 locations, 4 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: 6.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 412 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 405 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 397 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 917 IncrementalHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 8 mSDtfsCounter, 917 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=3, InterpolantAutomatonStates: 30, 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, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 1217 SizeOfPredicates, 11 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5/12 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 19:12:09,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e0021-9f86-40db-9c32-88497215883f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE