./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:26:54,658 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:26:54,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 18:26:54,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:26:54,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:26:54,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:26:54,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:26:54,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:26:54,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:26:54,764 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:26:54,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:26:54,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:26:54,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:26:54,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:26:54,765 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:26:54,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:26:54,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:26:54,765 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:26:54,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 18:26:54,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 18:26:54,767 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:26:54,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:26:54,767 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:26:54,767 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:26:54,767 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:26:54,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:26:54,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:26:54,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:26:54,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:26:54,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:26:54,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:26:54,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:26:54,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:26:54,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:26:54,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:26:54,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:26:54,769 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:26:54,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:26:54,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:26:54,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:26:54,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:26:54,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:26:54,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:26:54,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:26:54,770 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf
[2024-11-23 18:26:55,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:26:55,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:26:55,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:26:55,111 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:26:55,111 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:26:55,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c
[2024-11-23 18:26:58,015 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/data/546aad5ae/3112af15e97e471187c9f6e3ce0e59d8/FLAGf60dc2979
[2024-11-23 18:26:58,326 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:26:58,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/sv-benchmarks/c/weaver/chl-node-trans.wvr.c
[2024-11-23 18:26:58,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/data/546aad5ae/3112af15e97e471187c9f6e3ce0e59d8/FLAGf60dc2979
[2024-11-23 18:26:58,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/data/546aad5ae/3112af15e97e471187c9f6e3ce0e59d8
[2024-11-23 18:26:58,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:26:58,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:26:58,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:26:58,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:26:58,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:26:58,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2964a52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58, skipping insertion in model container
[2024-11-23 18:26:58,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,394 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:26:58,641 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:26:58,655 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:26:58,690 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:26:58,705 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:26:58,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58 WrapperNode
[2024-11-23 18:26:58,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:26:58,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:26:58,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:26:58,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:26:58,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,760 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 486
[2024-11-23 18:26:58,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:26:58,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:26:58,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:26:58,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:26:58,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,796 INFO L175 MemorySlicer]: Split 26 memory accesses to 3 slices as follows [2, 15, 9]. 58 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 6 writes are split as follows [0, 3, 3].
[2024-11-23 18:26:58,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,810 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:26:58,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:26:58,839 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:26:58,839 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:26:58,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (1/1) ...
[2024-11-23 18:26:58,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:26:58,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:26:58,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:26:58,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:26:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:26:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 18:26:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-23 18:26:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-23 18:26:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-23 18:26:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:26:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 18:26:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-23 18:26:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 18:26:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:26:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:26:58,908 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 18:26:59,081 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:26:59,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:27:00,186 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 18:27:00,187 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:27:00,811 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:27:00,815 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-23 18:27:00,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:00 BoogieIcfgContainer
[2024-11-23 18:27:00,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:27:00,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:27:00,818 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:27:00,824 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:27:00,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:26:58" (1/3) ...
[2024-11-23 18:27:00,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63af20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:27:00, skipping insertion in model container
[2024-11-23 18:27:00,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:26:58" (2/3) ...
[2024-11-23 18:27:00,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63af20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:27:00, skipping insertion in model container
[2024-11-23 18:27:00,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:00" (3/3) ...
[2024-11-23 18:27:00,828 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c
[2024-11-23 18:27:00,846 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:27:00,848 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-node-trans.wvr.c that has 4 procedures, 126 locations, 1 initial locations, 6 loop locations, and 42 error locations.
[2024-11-23 18:27:00,848 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 18:27:00,961 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 18:27:01,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 140 transitions, 301 flow
[2024-11-23 18:27:01,105 INFO L124 PetriNetUnfolderBase]: 15/137 cut-off events.
[2024-11-23 18:27:01,107 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-23 18:27:01,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 15/137 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 400 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place.
[2024-11-23 18:27:01,114 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 140 transitions, 301 flow
[2024-11-23 18:27:01,124 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 135 transitions, 285 flow
[2024-11-23 18:27:01,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:27:01,159 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;@8429b3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:27:01,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 63 error locations.
[2024-11-23 18:27:01,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 18:27:01,165 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-11-23 18:27:01,165 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:27:01,165 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:01,166 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-11-23 18:27:01,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:01,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:01,173 INFO L85 PathProgramCache]: Analyzing trace with hash 46758, now seen corresponding path program 1 times
[2024-11-23 18:27:01,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:01,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206529020]
[2024-11-23 18:27:01,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:01,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206529020]
[2024-11-23 18:27:01,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206529020] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:01,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:01,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 18:27:01,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053506133]
[2024-11-23 18:27:01,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:01,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:27:01,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:01,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:27:01,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:27:01,519 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:01,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 135 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-23 18:27:01,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:01,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:01,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:03,375 INFO L124 PetriNetUnfolderBase]: 4133/8026 cut-off events.
[2024-11-23 18:27:03,375 INFO L125 PetriNetUnfolderBase]: For 253/253 co-relation queries the response was YES.
[2024-11-23 18:27:03,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13743 conditions, 8026 events. 4133/8026 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 65993 event pairs, 2732 based on Foata normal form. 2/6384 useless extension candidates. Maximal degree in co-relation 13014. Up to 5498 conditions per place.
[2024-11-23 18:27:03,472 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 61 selfloop transitions, 1 changer transitions 0/133 dead transitions.
[2024-11-23 18:27:03,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 133 transitions, 405 flow
[2024-11-23 18:27:03,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:27:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:27:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions.
[2024-11-23 18:27:03,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.680952380952381
[2024-11-23 18:27:03,501 INFO L175 Difference]: Start difference. First operand has 130 places, 135 transitions, 285 flow. Second operand 3 states and 286 transitions.
[2024-11-23 18:27:03,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 133 transitions, 405 flow
[2024-11-23 18:27:03,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 133 transitions, 396 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 18:27:03,526 INFO L231 Difference]: Finished difference. Result has 125 places, 133 transitions, 274 flow
[2024-11-23 18:27:03,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=125, PETRI_TRANSITIONS=133}
[2024-11-23 18:27:03,536 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -5 predicate places.
[2024-11-23 18:27:03,536 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 133 transitions, 274 flow
[2024-11-23 18:27:03,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-23 18:27:03,537 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:03,537 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-11-23 18:27:03,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:27:03,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:03,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:03,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1451044, now seen corresponding path program 1 times
[2024-11-23 18:27:03,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:03,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345698613]
[2024-11-23 18:27:03,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:03,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:03,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:03,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345698613]
[2024-11-23 18:27:03,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345698613] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:03,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:03,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 18:27:03,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701650749]
[2024-11-23 18:27:03,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:03,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:27:03,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:03,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:27:03,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:27:03,736 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:03,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-23 18:27:03,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:03,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:03,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:05,237 INFO L124 PetriNetUnfolderBase]: 4133/8024 cut-off events.
[2024-11-23 18:27:05,238 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES.
[2024-11-23 18:27:05,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13658 conditions, 8024 events. 4133/8024 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65891 event pairs, 2732 based on Foata normal form. 0/6382 useless extension candidates. Maximal degree in co-relation 13652. Up to 5496 conditions per place.
[2024-11-23 18:27:05,317 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 59 selfloop transitions, 1 changer transitions 0/131 dead transitions.
[2024-11-23 18:27:05,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 131 transitions, 390 flow
[2024-11-23 18:27:05,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:27:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:27:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions.
[2024-11-23 18:27:05,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6761904761904762
[2024-11-23 18:27:05,320 INFO L175 Difference]: Start difference. First operand has 125 places, 133 transitions, 274 flow. Second operand 3 states and 284 transitions.
[2024-11-23 18:27:05,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 131 transitions, 390 flow
[2024-11-23 18:27:05,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 131 transitions, 389 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:05,327 INFO L231 Difference]: Finished difference. Result has 124 places, 131 transitions, 271 flow
[2024-11-23 18:27:05,329 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=124, PETRI_TRANSITIONS=131}
[2024-11-23 18:27:05,330 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -6 predicate places.
[2024-11-23 18:27:05,331 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 131 transitions, 271 flow
[2024-11-23 18:27:05,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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)
[2024-11-23 18:27:05,333 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:05,333 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2024-11-23 18:27:05,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:27:05,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:05,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:05,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1394501061, now seen corresponding path program 1 times
[2024-11-23 18:27:05,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:05,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604200355]
[2024-11-23 18:27:05,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:05,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:05,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:05,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604200355]
[2024-11-23 18:27:05,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604200355] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:05,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:05,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:05,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425354972]
[2024-11-23 18:27:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:05,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:05,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:05,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:05,642 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 140
[2024-11-23 18:27:05,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 131 transitions, 271 flow. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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)
[2024-11-23 18:27:05,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:05,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 140
[2024-11-23 18:27:05,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:07,151 INFO L124 PetriNetUnfolderBase]: 4136/8036 cut-off events.
[2024-11-23 18:27:07,152 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES.
[2024-11-23 18:27:07,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13686 conditions, 8036 events. 4136/8036 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 65944 event pairs, 2732 based on Foata normal form. 3/6394 useless extension candidates. Maximal degree in co-relation 13679. Up to 5506 conditions per place.
[2024-11-23 18:27:07,215 INFO L140 encePairwiseOnDemand]: 122/140 looper letters, 63 selfloop transitions, 12 changer transitions 0/140 dead transitions.
[2024-11-23 18:27:07,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 140 transitions, 439 flow
[2024-11-23 18:27:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 369 transitions.
[2024-11-23 18:27:07,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6589285714285714
[2024-11-23 18:27:07,222 INFO L175 Difference]: Start difference. First operand has 124 places, 131 transitions, 271 flow. Second operand 4 states and 369 transitions.
[2024-11-23 18:27:07,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 140 transitions, 439 flow
[2024-11-23 18:27:07,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 140 transitions, 438 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:07,231 INFO L231 Difference]: Finished difference. Result has 128 places, 140 transitions, 357 flow
[2024-11-23 18:27:07,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=357, PETRI_PLACES=128, PETRI_TRANSITIONS=140}
[2024-11-23 18:27:07,233 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -2 predicate places.
[2024-11-23 18:27:07,233 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 140 transitions, 357 flow
[2024-11-23 18:27:07,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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)
[2024-11-23 18:27:07,235 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:07,235 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2024-11-23 18:27:07,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:27:07,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:07,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:07,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1394501131, now seen corresponding path program 1 times
[2024-11-23 18:27:07,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:07,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825116975]
[2024-11-23 18:27:07,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:07,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:07,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:07,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825116975]
[2024-11-23 18:27:07,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825116975] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:07,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:07,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 18:27:07,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595905674]
[2024-11-23 18:27:07,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:07,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:27:07,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:07,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:27:07,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:27:07,388 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:07,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 140 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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)
[2024-11-23 18:27:07,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:07,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:07,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:08,941 INFO L124 PetriNetUnfolderBase]: 4136/8034 cut-off events.
[2024-11-23 18:27:08,941 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES.
[2024-11-23 18:27:08,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13718 conditions, 8034 events. 4136/8034 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 65887 event pairs, 2732 based on Foata normal form. 2/6398 useless extension candidates. Maximal degree in co-relation 13709. Up to 5507 conditions per place.
[2024-11-23 18:27:08,986 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 70 selfloop transitions, 1 changer transitions 0/138 dead transitions.
[2024-11-23 18:27:08,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 138 transitions, 495 flow
[2024-11-23 18:27:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:27:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:27:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions.
[2024-11-23 18:27:08,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.680952380952381
[2024-11-23 18:27:08,988 INFO L175 Difference]: Start difference. First operand has 128 places, 140 transitions, 357 flow. Second operand 3 states and 286 transitions.
[2024-11-23 18:27:08,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 138 transitions, 495 flow
[2024-11-23 18:27:08,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 138 transitions, 486 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:08,995 INFO L231 Difference]: Finished difference. Result has 127 places, 138 transitions, 346 flow
[2024-11-23 18:27:08,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=127, PETRI_TRANSITIONS=138}
[2024-11-23 18:27:08,996 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places.
[2024-11-23 18:27:08,996 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 138 transitions, 346 flow
[2024-11-23 18:27:08,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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)
[2024-11-23 18:27:08,997 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:08,997 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:08,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 18:27:08,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:08,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:09,000 INFO L85 PathProgramCache]: Analyzing trace with hash 279863620, now seen corresponding path program 1 times
[2024-11-23 18:27:09,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:09,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256040542]
[2024-11-23 18:27:09,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:09,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:09,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256040542]
[2024-11-23 18:27:09,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256040542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:09,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:09,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 18:27:09,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004705089]
[2024-11-23 18:27:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:09,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:27:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:09,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:27:09,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:27:09,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:09,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 138 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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)
[2024-11-23 18:27:09,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:09,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:09,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:10,056 INFO L124 PetriNetUnfolderBase]: 4136/8032 cut-off events.
[2024-11-23 18:27:10,056 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES.
[2024-11-23 18:27:10,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13709 conditions, 8032 events. 4136/8032 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 65916 event pairs, 2732 based on Foata normal form. 1/6396 useless extension candidates. Maximal degree in co-relation 13699. Up to 5505 conditions per place.
[2024-11-23 18:27:10,105 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 68 selfloop transitions, 1 changer transitions 0/136 dead transitions.
[2024-11-23 18:27:10,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 136 transitions, 480 flow
[2024-11-23 18:27:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:27:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:27:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions.
[2024-11-23 18:27:10,108 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6761904761904762
[2024-11-23 18:27:10,111 INFO L175 Difference]: Start difference. First operand has 127 places, 138 transitions, 346 flow. Second operand 3 states and 284 transitions.
[2024-11-23 18:27:10,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 136 transitions, 480 flow
[2024-11-23 18:27:10,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 136 transitions, 479 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:10,114 INFO L231 Difference]: Finished difference. Result has 126 places, 136 transitions, 343 flow
[2024-11-23 18:27:10,116 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=126, PETRI_TRANSITIONS=136}
[2024-11-23 18:27:10,117 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -4 predicate places.
[2024-11-23 18:27:10,117 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 136 transitions, 343 flow
[2024-11-23 18:27:10,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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)
[2024-11-23 18:27:10,117 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:10,118 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:10,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 18:27:10,118 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:10,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:10,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1633950910, now seen corresponding path program 1 times
[2024-11-23 18:27:10,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:10,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791843090]
[2024-11-23 18:27:10,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:10,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:10,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:10,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791843090]
[2024-11-23 18:27:10,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791843090] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:10,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:10,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 18:27:10,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838751659]
[2024-11-23 18:27:10,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:10,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:27:10,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:10,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:27:10,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:27:10,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:10,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 136 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-23 18:27:10,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:10,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:10,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:11,020 INFO L124 PetriNetUnfolderBase]: 4140/8023 cut-off events.
[2024-11-23 18:27:11,020 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES.
[2024-11-23 18:27:11,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13709 conditions, 8023 events. 4140/8023 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 65637 event pairs, 2736 based on Foata normal form. 2/6403 useless extension candidates. Maximal degree in co-relation 13698. Up to 5513 conditions per place.
[2024-11-23 18:27:11,075 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 70 selfloop transitions, 1 changer transitions 0/134 dead transitions.
[2024-11-23 18:27:11,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 134 transitions, 481 flow
[2024-11-23 18:27:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:27:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:27:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions.
[2024-11-23 18:27:11,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.680952380952381
[2024-11-23 18:27:11,077 INFO L175 Difference]: Start difference. First operand has 126 places, 136 transitions, 343 flow. Second operand 3 states and 286 transitions.
[2024-11-23 18:27:11,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 134 transitions, 481 flow
[2024-11-23 18:27:11,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 134 transitions, 480 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:11,080 INFO L231 Difference]: Finished difference. Result has 125 places, 134 transitions, 340 flow
[2024-11-23 18:27:11,081 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=125, PETRI_TRANSITIONS=134}
[2024-11-23 18:27:11,082 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -5 predicate places.
[2024-11-23 18:27:11,082 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 134 transitions, 340 flow
[2024-11-23 18:27:11,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-23 18:27:11,082 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:11,082 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:11,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 18:27:11,083 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:11,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:11,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1636090315, now seen corresponding path program 1 times
[2024-11-23 18:27:11,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:11,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866334097]
[2024-11-23 18:27:11,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:11,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:11,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866334097]
[2024-11-23 18:27:11,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866334097] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:11,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651574433]
[2024-11-23 18:27:11,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:11,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:11,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:11,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:11,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 18:27:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:11,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:11,325 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:11,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:27:11,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651574433] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:11,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:27:11,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-23 18:27:11,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795302213]
[2024-11-23 18:27:11,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:11,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:27:11,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:11,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:27:11,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-23 18:27:11,403 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 140
[2024-11-23 18:27:11,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 134 transitions, 340 flow. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 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)
[2024-11-23 18:27:11,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:11,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 140
[2024-11-23 18:27:11,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:12,501 INFO L124 PetriNetUnfolderBase]: 4140/8020 cut-off events.
[2024-11-23 18:27:12,502 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES.
[2024-11-23 18:27:12,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13705 conditions, 8020 events. 4140/8020 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65767 event pairs, 2736 based on Foata normal form. 3/6399 useless extension candidates. Maximal degree in co-relation 13693. Up to 5497 conditions per place.
[2024-11-23 18:27:12,572 INFO L140 encePairwiseOnDemand]: 125/140 looper letters, 51 selfloop transitions, 21 changer transitions 0/131 dead transitions.
[2024-11-23 18:27:12,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 131 transitions, 472 flow
[2024-11-23 18:27:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 18:27:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 18:27:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 507 transitions.
[2024-11-23 18:27:12,575 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6035714285714285
[2024-11-23 18:27:12,575 INFO L175 Difference]: Start difference. First operand has 125 places, 134 transitions, 340 flow. Second operand 6 states and 507 transitions.
[2024-11-23 18:27:12,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 131 transitions, 472 flow
[2024-11-23 18:27:12,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 131 transitions, 471 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:12,582 INFO L231 Difference]: Finished difference. Result has 126 places, 131 transitions, 369 flow
[2024-11-23 18:27:12,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=369, PETRI_PLACES=126, PETRI_TRANSITIONS=131}
[2024-11-23 18:27:12,583 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -4 predicate places.
[2024-11-23 18:27:12,583 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 131 transitions, 369 flow
[2024-11-23 18:27:12,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 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)
[2024-11-23 18:27:12,584 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:12,584 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:12,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 18:27:12,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:12,789 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:12,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:12,791 INFO L85 PathProgramCache]: Analyzing trace with hash 887130878, now seen corresponding path program 1 times
[2024-11-23 18:27:12,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:12,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970727212]
[2024-11-23 18:27:12,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:12,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:12,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970727212]
[2024-11-23 18:27:12,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970727212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:12,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:12,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 18:27:12,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415989202]
[2024-11-23 18:27:12,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:12,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:27:12,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:12,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:27:12,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:27:12,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:12,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 131 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-23 18:27:12,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:12,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:12,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:13,948 INFO L124 PetriNetUnfolderBase]: 4140/8018 cut-off events.
[2024-11-23 18:27:13,949 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES.
[2024-11-23 18:27:13,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13721 conditions, 8018 events. 4140/8018 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65649 event pairs, 2736 based on Foata normal form. 1/6398 useless extension candidates. Maximal degree in co-relation 13709. Up to 5511 conditions per place.
[2024-11-23 18:27:14,003 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 68 selfloop transitions, 1 changer transitions 0/129 dead transitions.
[2024-11-23 18:27:14,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 129 transitions, 503 flow
[2024-11-23 18:27:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:27:14,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:27:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions.
[2024-11-23 18:27:14,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6761904761904762
[2024-11-23 18:27:14,005 INFO L175 Difference]: Start difference. First operand has 126 places, 131 transitions, 369 flow. Second operand 3 states and 284 transitions.
[2024-11-23 18:27:14,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 129 transitions, 503 flow
[2024-11-23 18:27:14,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 129 transitions, 458 flow, removed 6 selfloop flow, removed 4 redundant places.
[2024-11-23 18:27:14,009 INFO L231 Difference]: Finished difference. Result has 122 places, 129 transitions, 322 flow
[2024-11-23 18:27:14,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=122, PETRI_TRANSITIONS=129}
[2024-11-23 18:27:14,010 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -8 predicate places.
[2024-11-23 18:27:14,010 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 129 transitions, 322 flow
[2024-11-23 18:27:14,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-23 18:27:14,011 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:14,011 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-11-23 18:27:14,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 18:27:14,011 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:14,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:14,012 INFO L85 PathProgramCache]: Analyzing trace with hash 820809252, now seen corresponding path program 1 times
[2024-11-23 18:27:14,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:14,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956982016]
[2024-11-23 18:27:14,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:14,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956982016]
[2024-11-23 18:27:14,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956982016] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794252122]
[2024-11-23 18:27:14,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:14,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:14,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:14,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:14,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 18:27:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:14,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:14,243 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:14,278 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:27:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:14,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794252122] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:27:14,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:27:14,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-23 18:27:14,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702366019]
[2024-11-23 18:27:14,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:27:14,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-23 18:27:14,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:14,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-23 18:27:14,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-23 18:27:14,387 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 140
[2024-11-23 18:27:14,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 129 transitions, 322 flow. Second operand has 12 states, 12 states have (on average 73.16666666666667) internal successors, (878), 12 states have internal predecessors, (878), 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)
[2024-11-23 18:27:14,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:14,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 140
[2024-11-23 18:27:14,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:15,302 INFO L124 PetriNetUnfolderBase]: 4149/8054 cut-off events.
[2024-11-23 18:27:15,302 INFO L125 PetriNetUnfolderBase]: For 110/110 co-relation queries the response was YES.
[2024-11-23 18:27:15,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13790 conditions, 8054 events. 4149/8054 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65869 event pairs, 2736 based on Foata normal form. 9/6433 useless extension candidates. Maximal degree in co-relation 13778. Up to 5518 conditions per place.
[2024-11-23 18:27:15,348 INFO L140 encePairwiseOnDemand]: 125/140 looper letters, 60 selfloop transitions, 39 changer transitions 0/156 dead transitions.
[2024-11-23 18:27:15,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 156 transitions, 637 flow
[2024-11-23 18:27:15,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 18:27:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-23 18:27:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 828 transitions.
[2024-11-23 18:27:15,352 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5914285714285714
[2024-11-23 18:27:15,352 INFO L175 Difference]: Start difference. First operand has 122 places, 129 transitions, 322 flow. Second operand 10 states and 828 transitions.
[2024-11-23 18:27:15,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 156 transitions, 637 flow
[2024-11-23 18:27:15,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 156 transitions, 636 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:15,356 INFO L231 Difference]: Finished difference. Result has 133 places, 156 transitions, 570 flow
[2024-11-23 18:27:15,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=570, PETRI_PLACES=133, PETRI_TRANSITIONS=156}
[2024-11-23 18:27:15,358 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 3 predicate places.
[2024-11-23 18:27:15,358 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 156 transitions, 570 flow
[2024-11-23 18:27:15,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 73.16666666666667) internal successors, (878), 12 states have internal predecessors, (878), 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)
[2024-11-23 18:27:15,359 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:15,359 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:15,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-23 18:27:15,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:15,563 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:15,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1507428423, now seen corresponding path program 1 times
[2024-11-23 18:27:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492132987]
[2024-11-23 18:27:15,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:15,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:27:15,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:15,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492132987]
[2024-11-23 18:27:15,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492132987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:15,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:15,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:15,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620098611]
[2024-11-23 18:27:15,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:15,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:15,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:15,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:15,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:15,716 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 140
[2024-11-23 18:27:15,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 156 transitions, 570 flow. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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)
[2024-11-23 18:27:15,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:15,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 140
[2024-11-23 18:27:15,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:16,446 INFO L124 PetriNetUnfolderBase]: 4152/8066 cut-off events.
[2024-11-23 18:27:16,447 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES.
[2024-11-23 18:27:16,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13883 conditions, 8066 events. 4152/8066 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65925 event pairs, 2736 based on Foata normal form. 3/6445 useless extension candidates. Maximal degree in co-relation 13868. Up to 5548 conditions per place.
[2024-11-23 18:27:16,473 INFO L140 encePairwiseOnDemand]: 122/140 looper letters, 99 selfloop transitions, 12 changer transitions 0/165 dead transitions.
[2024-11-23 18:27:16,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 165 transitions, 810 flow
[2024-11-23 18:27:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 369 transitions.
[2024-11-23 18:27:16,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6589285714285714
[2024-11-23 18:27:16,476 INFO L175 Difference]: Start difference. First operand has 133 places, 156 transitions, 570 flow. Second operand 4 states and 369 transitions.
[2024-11-23 18:27:16,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 165 transitions, 810 flow
[2024-11-23 18:27:16,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 165 transitions, 777 flow, removed 9 selfloop flow, removed 2 redundant places.
[2024-11-23 18:27:16,481 INFO L231 Difference]: Finished difference. Result has 136 places, 165 transitions, 624 flow
[2024-11-23 18:27:16,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=624, PETRI_PLACES=136, PETRI_TRANSITIONS=165}
[2024-11-23 18:27:16,482 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 6 predicate places.
[2024-11-23 18:27:16,482 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 165 transitions, 624 flow
[2024-11-23 18:27:16,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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)
[2024-11-23 18:27:16,482 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:16,482 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:16,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 18:27:16,483 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:16,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:16,483 INFO L85 PathProgramCache]: Analyzing trace with hash -376357365, now seen corresponding path program 1 times
[2024-11-23 18:27:16,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:16,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348836464]
[2024-11-23 18:27:16,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:27:16,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:16,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348836464]
[2024-11-23 18:27:16,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348836464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:16,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:16,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:16,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587102491]
[2024-11-23 18:27:16,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:16,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:16,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:16,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:16,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:16,644 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:16,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 165 transitions, 624 flow. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 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)
[2024-11-23 18:27:16,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:16,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:16,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:17,281 INFO L124 PetriNetUnfolderBase]: 4151/8065 cut-off events.
[2024-11-23 18:27:17,281 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES.
[2024-11-23 18:27:17,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13898 conditions, 8065 events. 4151/8065 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65927 event pairs, 2736 based on Foata normal form. 1/6448 useless extension candidates. Maximal degree in co-relation 13880. Up to 5544 conditions per place.
[2024-11-23 18:27:17,323 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 101 selfloop transitions, 3 changer transitions 0/164 dead transitions.
[2024-11-23 18:27:17,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 164 transitions, 828 flow
[2024-11-23 18:27:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions.
[2024-11-23 18:27:17,325 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410714285714286
[2024-11-23 18:27:17,325 INFO L175 Difference]: Start difference. First operand has 136 places, 165 transitions, 624 flow. Second operand 4 states and 359 transitions.
[2024-11-23 18:27:17,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 164 transitions, 828 flow
[2024-11-23 18:27:17,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 164 transitions, 819 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:27:17,331 INFO L231 Difference]: Finished difference. Result has 138 places, 164 transitions, 617 flow
[2024-11-23 18:27:17,331 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=617, PETRI_PLACES=138, PETRI_TRANSITIONS=164}
[2024-11-23 18:27:17,332 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 8 predicate places.
[2024-11-23 18:27:17,332 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 164 transitions, 617 flow
[2024-11-23 18:27:17,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 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)
[2024-11-23 18:27:17,333 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:17,333 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1, 1, 1]
[2024-11-23 18:27:17,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 18:27:17,333 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:17,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:17,334 INFO L85 PathProgramCache]: Analyzing trace with hash 554206356, now seen corresponding path program 2 times
[2024-11-23 18:27:17,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:17,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102157567]
[2024-11-23 18:27:17,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:27:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:17,354 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:27:17,356 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:27:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-23 18:27:17,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:17,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102157567]
[2024-11-23 18:27:17,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102157567] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:17,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184773369]
[2024-11-23 18:27:17,440 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:27:17,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:17,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:17,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:17,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 18:27:17,540 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:27:17,540 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:27:17,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:17,543 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-23 18:27:17,586 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:27:17,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-23 18:27:17,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184773369] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:27:17,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:27:17,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4
[2024-11-23 18:27:17,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216224932]
[2024-11-23 18:27:17,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:27:17,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 18:27:17,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:17,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 18:27:17,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:27:17,692 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 140
[2024-11-23 18:27:17,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 164 transitions, 617 flow. Second operand has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 states have internal predecessors, (348), 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)
[2024-11-23 18:27:17,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:17,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 140
[2024-11-23 18:27:17,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:18,425 INFO L124 PetriNetUnfolderBase]: 4151/8062 cut-off events.
[2024-11-23 18:27:18,425 INFO L125 PetriNetUnfolderBase]: For 153/153 co-relation queries the response was YES.
[2024-11-23 18:27:18,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13880 conditions, 8062 events. 4151/8062 cut-off events. For 153/153 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65895 event pairs, 2736 based on Foata normal form. 3/6447 useless extension candidates. Maximal degree in co-relation 13861. Up to 5513 conditions per place.
[2024-11-23 18:27:18,457 INFO L140 encePairwiseOnDemand]: 124/140 looper letters, 56 selfloop transitions, 48 changer transitions 0/161 dead transitions.
[2024-11-23 18:27:18,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 161 transitions, 795 flow
[2024-11-23 18:27:18,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 18:27:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 18:27:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 403 transitions.
[2024-11-23 18:27:18,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5757142857142857
[2024-11-23 18:27:18,459 INFO L175 Difference]: Start difference. First operand has 138 places, 164 transitions, 617 flow. Second operand 5 states and 403 transitions.
[2024-11-23 18:27:18,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 161 transitions, 795 flow
[2024-11-23 18:27:18,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 161 transitions, 761 flow, removed 3 selfloop flow, removed 6 redundant places.
[2024-11-23 18:27:18,463 INFO L231 Difference]: Finished difference. Result has 133 places, 161 transitions, 649 flow
[2024-11-23 18:27:18,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=649, PETRI_PLACES=133, PETRI_TRANSITIONS=161}
[2024-11-23 18:27:18,464 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 3 predicate places.
[2024-11-23 18:27:18,464 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 161 transitions, 649 flow
[2024-11-23 18:27:18,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 states have internal predecessors, (348), 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)
[2024-11-23 18:27:18,464 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:18,464 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:18,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-23 18:27:18,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-23 18:27:18,665 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:18,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash -239276421, now seen corresponding path program 1 times
[2024-11-23 18:27:18,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:18,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741207380]
[2024-11-23 18:27:18,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:27:18,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:18,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741207380]
[2024-11-23 18:27:18,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741207380] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:18,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:18,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:18,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800591552]
[2024-11-23 18:27:18,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:18,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:18,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:18,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:18,834 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:18,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 161 transitions, 649 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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)
[2024-11-23 18:27:18,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:18,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:18,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:19,570 INFO L124 PetriNetUnfolderBase]: 4150/8061 cut-off events.
[2024-11-23 18:27:19,571 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES.
[2024-11-23 18:27:19,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13903 conditions, 8061 events. 4150/8061 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65842 event pairs, 2736 based on Foata normal form. 0/6433 useless extension candidates. Maximal degree in co-relation 13888. Up to 5543 conditions per place.
[2024-11-23 18:27:19,617 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 100 selfloop transitions, 3 changer transitions 0/160 dead transitions.
[2024-11-23 18:27:19,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 160 transitions, 849 flow
[2024-11-23 18:27:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions.
[2024-11-23 18:27:19,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410714285714286
[2024-11-23 18:27:19,619 INFO L175 Difference]: Start difference. First operand has 133 places, 161 transitions, 649 flow. Second operand 4 states and 359 transitions.
[2024-11-23 18:27:19,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 160 transitions, 849 flow
[2024-11-23 18:27:19,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 160 transitions, 755 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-23 18:27:19,624 INFO L231 Difference]: Finished difference. Result has 132 places, 160 transitions, 555 flow
[2024-11-23 18:27:19,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=555, PETRI_PLACES=132, PETRI_TRANSITIONS=160}
[2024-11-23 18:27:19,625 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 2 predicate places.
[2024-11-23 18:27:19,625 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 160 transitions, 555 flow
[2024-11-23 18:27:19,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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)
[2024-11-23 18:27:19,626 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:19,626 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:19,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 18:27:19,626 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:19,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:19,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1823615336, now seen corresponding path program 1 times
[2024-11-23 18:27:19,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:19,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924655698]
[2024-11-23 18:27:19,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:19,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:27:19,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:19,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924655698]
[2024-11-23 18:27:19,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924655698] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:19,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:19,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:19,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139696778]
[2024-11-23 18:27:19,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:19,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:19,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:19,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:19,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:19,824 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:19,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 160 transitions, 555 flow. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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)
[2024-11-23 18:27:19,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:19,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:19,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:20,549 INFO L124 PetriNetUnfolderBase]: 4149/8060 cut-off events.
[2024-11-23 18:27:20,549 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES.
[2024-11-23 18:27:20,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13856 conditions, 8060 events. 4149/8060 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 65934 event pairs, 2736 based on Foata normal form. 0/6433 useless extension candidates. Maximal degree in co-relation 13841. Up to 5542 conditions per place.
[2024-11-23 18:27:20,599 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 99 selfloop transitions, 3 changer transitions 0/159 dead transitions.
[2024-11-23 18:27:20,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 159 transitions, 755 flow
[2024-11-23 18:27:20,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions.
[2024-11-23 18:27:20,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410714285714286
[2024-11-23 18:27:20,602 INFO L175 Difference]: Start difference. First operand has 132 places, 160 transitions, 555 flow. Second operand 4 states and 359 transitions.
[2024-11-23 18:27:20,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 159 transitions, 755 flow
[2024-11-23 18:27:20,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 159 transitions, 751 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:27:20,606 INFO L231 Difference]: Finished difference. Result has 133 places, 159 transitions, 553 flow
[2024-11-23 18:27:20,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=553, PETRI_PLACES=133, PETRI_TRANSITIONS=159}
[2024-11-23 18:27:20,607 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 3 predicate places.
[2024-11-23 18:27:20,607 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 159 transitions, 553 flow
[2024-11-23 18:27:20,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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)
[2024-11-23 18:27:20,607 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:20,608 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:20,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-23 18:27:20,608 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:20,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:20,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1241313606, now seen corresponding path program 1 times
[2024-11-23 18:27:20,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:20,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397954205]
[2024-11-23 18:27:20,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:27:20,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:20,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397954205]
[2024-11-23 18:27:20,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397954205] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:20,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612470044]
[2024-11-23 18:27:20,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:20,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:20,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:20,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:20,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 18:27:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:20,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:20,918 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:27:21,133 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:27:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:27:21,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612470044] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:27:21,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:27:21,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19
[2024-11-23 18:27:21,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701130387]
[2024-11-23 18:27:21,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:27:21,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-23 18:27:21,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:21,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-23 18:27:21,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342
[2024-11-23 18:27:21,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 140
[2024-11-23 18:27:21,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 159 transitions, 553 flow. Second operand has 19 states, 19 states have (on average 64.26315789473684) internal successors, (1221), 19 states have internal predecessors, (1221), 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)
[2024-11-23 18:27:21,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:21,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 140
[2024-11-23 18:27:21,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:23,660 INFO L124 PetriNetUnfolderBase]: 8292/16088 cut-off events.
[2024-11-23 18:27:23,661 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES.
[2024-11-23 18:27:23,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27622 conditions, 16088 events. 8292/16088 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 146055 event pairs, 5472 based on Foata normal form. 5/12953 useless extension candidates. Maximal degree in co-relation 27607. Up to 5514 conditions per place.
[2024-11-23 18:27:23,788 INFO L140 encePairwiseOnDemand]: 117/140 looper letters, 120 selfloop transitions, 71 changer transitions 0/242 dead transitions.
[2024-11-23 18:27:23,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 242 transitions, 1257 flow
[2024-11-23 18:27:23,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-23 18:27:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2024-11-23 18:27:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1263 transitions.
[2024-11-23 18:27:23,798 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5011904761904762
[2024-11-23 18:27:23,798 INFO L175 Difference]: Start difference. First operand has 133 places, 159 transitions, 553 flow. Second operand 18 states and 1263 transitions.
[2024-11-23 18:27:23,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 242 transitions, 1257 flow
[2024-11-23 18:27:23,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 242 transitions, 1251 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:27:23,804 INFO L231 Difference]: Finished difference. Result has 147 places, 195 transitions, 980 flow
[2024-11-23 18:27:23,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=980, PETRI_PLACES=147, PETRI_TRANSITIONS=195}
[2024-11-23 18:27:23,805 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 17 predicate places.
[2024-11-23 18:27:23,805 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 195 transitions, 980 flow
[2024-11-23 18:27:23,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 64.26315789473684) internal successors, (1221), 19 states have internal predecessors, (1221), 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)
[2024-11-23 18:27:23,806 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:23,806 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:23,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-23 18:27:24,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-23 18:27:24,007 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:24,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:24,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1660887547, now seen corresponding path program 1 times
[2024-11-23 18:27:24,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:24,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311618662]
[2024-11-23 18:27:24,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:24,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-23 18:27:24,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:24,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311618662]
[2024-11-23 18:27:24,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311618662] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:24,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160640101]
[2024-11-23 18:27:24,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:24,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:24,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:24,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:24,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-23 18:27:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:24,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:24,305 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-23 18:27:24,332 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:27:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-23 18:27:24,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160640101] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:27:24,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:27:24,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-23 18:27:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800995196]
[2024-11-23 18:27:24,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:27:24,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-23 18:27:24,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:24,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-23 18:27:24,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-23 18:27:24,426 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 140
[2024-11-23 18:27:24,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 195 transitions, 980 flow. Second operand has 12 states, 12 states have (on average 74.16666666666667) internal successors, (890), 12 states have internal predecessors, (890), 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)
[2024-11-23 18:27:24,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:24,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 140
[2024-11-23 18:27:24,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:26,338 INFO L124 PetriNetUnfolderBase]: 8307/16148 cut-off events.
[2024-11-23 18:27:26,339 INFO L125 PetriNetUnfolderBase]: For 461/461 co-relation queries the response was YES.
[2024-11-23 18:27:26,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27936 conditions, 16148 events. 8307/16148 cut-off events. For 461/461 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 146717 event pairs, 5472 based on Foata normal form. 15/12931 useless extension candidates. Maximal degree in co-relation 27921. Up to 11078 conditions per place.
[2024-11-23 18:27:26,496 INFO L140 encePairwiseOnDemand]: 125/140 looper letters, 119 selfloop transitions, 70 changer transitions 0/240 dead transitions.
[2024-11-23 18:27:26,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 240 transitions, 1637 flow
[2024-11-23 18:27:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 18:27:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-23 18:27:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 828 transitions.
[2024-11-23 18:27:26,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5914285714285714
[2024-11-23 18:27:26,499 INFO L175 Difference]: Start difference. First operand has 147 places, 195 transitions, 980 flow. Second operand 10 states and 828 transitions.
[2024-11-23 18:27:26,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 240 transitions, 1637 flow
[2024-11-23 18:27:26,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 240 transitions, 1505 flow, removed 41 selfloop flow, removed 4 redundant places.
[2024-11-23 18:27:26,509 INFO L231 Difference]: Finished difference. Result has 155 places, 240 transitions, 1345 flow
[2024-11-23 18:27:26,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1345, PETRI_PLACES=155, PETRI_TRANSITIONS=240}
[2024-11-23 18:27:26,511 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 25 predicate places.
[2024-11-23 18:27:26,511 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 240 transitions, 1345 flow
[2024-11-23 18:27:26,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 74.16666666666667) internal successors, (890), 12 states have internal predecessors, (890), 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)
[2024-11-23 18:27:26,512 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:26,512 INFO L206 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]
[2024-11-23 18:27:26,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-23 18:27:26,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-23 18:27:26,713 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:26,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:26,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1543717105, now seen corresponding path program 1 times
[2024-11-23 18:27:26,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:26,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782489525]
[2024-11-23 18:27:26,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:26,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:27:26,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:26,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782489525]
[2024-11-23 18:27:26,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782489525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:26,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:26,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:26,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661255433]
[2024-11-23 18:27:26,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:26,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:26,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:26,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:26,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:26,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 140
[2024-11-23 18:27:26,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 240 transitions, 1345 flow. Second operand has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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)
[2024-11-23 18:27:26,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:26,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 140
[2024-11-23 18:27:26,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:29,551 INFO L124 PetriNetUnfolderBase]: 16165/28616 cut-off events.
[2024-11-23 18:27:29,551 INFO L125 PetriNetUnfolderBase]: For 516/516 co-relation queries the response was YES.
[2024-11-23 18:27:29,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51221 conditions, 28616 events. 16165/28616 cut-off events. For 516/516 co-relation queries the response was YES. Maximal size of possible extension queue 1706. Compared 258776 event pairs, 4950 based on Foata normal form. 728/24010 useless extension candidates. Maximal degree in co-relation 51203. Up to 10198 conditions per place.
[2024-11-23 18:27:29,728 INFO L140 encePairwiseOnDemand]: 132/140 looper letters, 236 selfloop transitions, 5 changer transitions 0/289 dead transitions.
[2024-11-23 18:27:29,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 289 transitions, 1931 flow
[2024-11-23 18:27:29,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 406 transitions.
[2024-11-23 18:27:29,730 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.725
[2024-11-23 18:27:29,730 INFO L175 Difference]: Start difference. First operand has 155 places, 240 transitions, 1345 flow. Second operand 4 states and 406 transitions.
[2024-11-23 18:27:29,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 289 transitions, 1931 flow
[2024-11-23 18:27:29,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 289 transitions, 1871 flow, removed 15 selfloop flow, removed 2 redundant places.
[2024-11-23 18:27:29,739 INFO L231 Difference]: Finished difference. Result has 158 places, 242 transitions, 1319 flow
[2024-11-23 18:27:29,740 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1283, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1319, PETRI_PLACES=158, PETRI_TRANSITIONS=242}
[2024-11-23 18:27:29,740 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 28 predicate places.
[2024-11-23 18:27:29,740 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 242 transitions, 1319 flow
[2024-11-23 18:27:29,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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)
[2024-11-23 18:27:29,741 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:29,741 INFO L206 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, 1]
[2024-11-23 18:27:29,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-23 18:27:29,741 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:29,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:29,742 INFO L85 PathProgramCache]: Analyzing trace with hash 610591589, now seen corresponding path program 1 times
[2024-11-23 18:27:29,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:29,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459437080]
[2024-11-23 18:27:29,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:29,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:27:29,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:29,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459437080]
[2024-11-23 18:27:29,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459437080] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:29,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:29,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:29,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616788497]
[2024-11-23 18:27:29,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:29,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:29,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:29,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:29,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:29,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:29,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 242 transitions, 1319 flow. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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)
[2024-11-23 18:27:29,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:29,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:29,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:32,121 INFO L124 PetriNetUnfolderBase]: 9997/20054 cut-off events.
[2024-11-23 18:27:32,121 INFO L125 PetriNetUnfolderBase]: For 3851/4395 co-relation queries the response was YES.
[2024-11-23 18:27:32,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36877 conditions, 20054 events. 9997/20054 cut-off events. For 3851/4395 co-relation queries the response was YES. Maximal size of possible extension queue 1230. Compared 193673 event pairs, 6740 based on Foata normal form. 276/16596 useless extension candidates. Maximal degree in co-relation 36856. Up to 13385 conditions per place.
[2024-11-23 18:27:32,234 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 181 selfloop transitions, 5 changer transitions 0/240 dead transitions.
[2024-11-23 18:27:32,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 240 transitions, 1680 flow
[2024-11-23 18:27:32,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions.
[2024-11-23 18:27:32,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410714285714286
[2024-11-23 18:27:32,236 INFO L175 Difference]: Start difference. First operand has 158 places, 242 transitions, 1319 flow. Second operand 4 states and 359 transitions.
[2024-11-23 18:27:32,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 240 transitions, 1680 flow
[2024-11-23 18:27:32,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 240 transitions, 1680 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 18:27:32,258 INFO L231 Difference]: Finished difference. Result has 161 places, 240 transitions, 1318 flow
[2024-11-23 18:27:32,258 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1308, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1318, PETRI_PLACES=161, PETRI_TRANSITIONS=240}
[2024-11-23 18:27:32,259 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 31 predicate places.
[2024-11-23 18:27:32,259 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 240 transitions, 1318 flow
[2024-11-23 18:27:32,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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)
[2024-11-23 18:27:32,259 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:32,259 INFO L206 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, 1, 1, 1, 1]
[2024-11-23 18:27:32,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-23 18:27:32,259 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:32,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:32,260 INFO L85 PathProgramCache]: Analyzing trace with hash -625611573, now seen corresponding path program 1 times
[2024-11-23 18:27:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649841841]
[2024-11-23 18:27:32,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:27:32,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:32,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649841841]
[2024-11-23 18:27:32,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649841841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:32,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:32,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:32,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122570552]
[2024-11-23 18:27:32,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:32,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:32,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:32,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:32,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:32,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:32,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 240 transitions, 1318 flow. Second operand has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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)
[2024-11-23 18:27:32,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:32,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:32,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:34,617 INFO L124 PetriNetUnfolderBase]: 9995/20052 cut-off events.
[2024-11-23 18:27:34,617 INFO L125 PetriNetUnfolderBase]: For 3861/4405 co-relation queries the response was YES.
[2024-11-23 18:27:34,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36875 conditions, 20052 events. 9995/20052 cut-off events. For 3861/4405 co-relation queries the response was YES. Maximal size of possible extension queue 1230. Compared 193535 event pairs, 6740 based on Foata normal form. 276/16594 useless extension candidates. Maximal degree in co-relation 36852. Up to 13383 conditions per place.
[2024-11-23 18:27:34,768 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 179 selfloop transitions, 5 changer transitions 0/238 dead transitions.
[2024-11-23 18:27:34,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 238 transitions, 1675 flow
[2024-11-23 18:27:34,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions.
[2024-11-23 18:27:34,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410714285714286
[2024-11-23 18:27:34,770 INFO L175 Difference]: Start difference. First operand has 161 places, 240 transitions, 1318 flow. Second operand 4 states and 359 transitions.
[2024-11-23 18:27:34,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 238 transitions, 1675 flow
[2024-11-23 18:27:34,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 238 transitions, 1669 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:27:34,788 INFO L231 Difference]: Finished difference. Result has 162 places, 238 transitions, 1311 flow
[2024-11-23 18:27:34,789 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1311, PETRI_PLACES=162, PETRI_TRANSITIONS=238}
[2024-11-23 18:27:34,789 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 32 predicate places.
[2024-11-23 18:27:34,790 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 238 transitions, 1311 flow
[2024-11-23 18:27:34,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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)
[2024-11-23 18:27:34,790 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:34,790 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:34,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-23 18:27:34,791 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:34,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:34,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1263381835, now seen corresponding path program 2 times
[2024-11-23 18:27:34,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:34,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121524963]
[2024-11-23 18:27:34,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:27:34,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:34,820 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:27:34,821 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:27:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-23 18:27:34,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:34,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121524963]
[2024-11-23 18:27:34,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121524963] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:34,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136617978]
[2024-11-23 18:27:34,922 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:27:34,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:34,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:34,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-23 18:27:35,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:27:35,070 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:27:35,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:35,073 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-23 18:27:35,147 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:27:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-23 18:27:35,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136617978] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:27:35,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:27:35,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 4
[2024-11-23 18:27:35,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623795189]
[2024-11-23 18:27:35,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:27:35,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 18:27:35,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:35,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 18:27:35,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:27:35,290 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 140
[2024-11-23 18:27:35,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 238 transitions, 1311 flow. Second operand has 5 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 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)
[2024-11-23 18:27:35,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:35,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 140
[2024-11-23 18:27:35,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:37,509 INFO L124 PetriNetUnfolderBase]: 9995/20047 cut-off events.
[2024-11-23 18:27:37,509 INFO L125 PetriNetUnfolderBase]: For 3885/4429 co-relation queries the response was YES.
[2024-11-23 18:27:37,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36852 conditions, 20047 events. 9995/20047 cut-off events. For 3885/4429 co-relation queries the response was YES. Maximal size of possible extension queue 1229. Compared 193461 event pairs, 6740 based on Foata normal form. 279/16592 useless extension candidates. Maximal degree in co-relation 36829. Up to 13329 conditions per place.
[2024-11-23 18:27:37,645 INFO L140 encePairwiseOnDemand]: 124/140 looper letters, 102 selfloop transitions, 82 changer transitions 0/235 dead transitions.
[2024-11-23 18:27:37,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 235 transitions, 1649 flow
[2024-11-23 18:27:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 18:27:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 18:27:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 403 transitions.
[2024-11-23 18:27:37,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5757142857142857
[2024-11-23 18:27:37,647 INFO L175 Difference]: Start difference. First operand has 162 places, 238 transitions, 1311 flow. Second operand 5 states and 403 transitions.
[2024-11-23 18:27:37,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 235 transitions, 1649 flow
[2024-11-23 18:27:37,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 235 transitions, 1591 flow, removed 5 selfloop flow, removed 6 redundant places.
[2024-11-23 18:27:37,667 INFO L231 Difference]: Finished difference. Result has 157 places, 235 transitions, 1387 flow
[2024-11-23 18:27:37,667 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1223, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1387, PETRI_PLACES=157, PETRI_TRANSITIONS=235}
[2024-11-23 18:27:37,667 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 27 predicate places.
[2024-11-23 18:27:37,668 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 235 transitions, 1387 flow
[2024-11-23 18:27:37,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 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)
[2024-11-23 18:27:37,668 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:37,668 INFO L206 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, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:37,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-23 18:27:37,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:37,869 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:37,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:37,869 INFO L85 PathProgramCache]: Analyzing trace with hash 324633008, now seen corresponding path program 1 times
[2024-11-23 18:27:37,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:37,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104177245]
[2024-11-23 18:27:37,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:37,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-23 18:27:38,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:38,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104177245]
[2024-11-23 18:27:38,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104177245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:27:38,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:27:38,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:27:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273364521]
[2024-11-23 18:27:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:27:38,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:27:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:38,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:27:38,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:27:38,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 140
[2024-11-23 18:27:38,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 235 transitions, 1387 flow. Second operand has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 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)
[2024-11-23 18:27:38,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:38,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 140
[2024-11-23 18:27:38,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:40,492 INFO L124 PetriNetUnfolderBase]: 9993/20045 cut-off events.
[2024-11-23 18:27:40,492 INFO L125 PetriNetUnfolderBase]: For 3908/4452 co-relation queries the response was YES.
[2024-11-23 18:27:40,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36891 conditions, 20045 events. 9993/20045 cut-off events. For 3908/4452 co-relation queries the response was YES. Maximal size of possible extension queue 1229. Compared 193403 event pairs, 6740 based on Foata normal form. 275/16580 useless extension candidates. Maximal degree in co-relation 36872. Up to 13381 conditions per place.
[2024-11-23 18:27:40,596 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 177 selfloop transitions, 5 changer transitions 0/233 dead transitions.
[2024-11-23 18:27:40,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 233 transitions, 1736 flow
[2024-11-23 18:27:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:27:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:27:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions.
[2024-11-23 18:27:40,597 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410714285714286
[2024-11-23 18:27:40,598 INFO L175 Difference]: Start difference. First operand has 157 places, 235 transitions, 1387 flow. Second operand 4 states and 359 transitions.
[2024-11-23 18:27:40,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 233 transitions, 1736 flow
[2024-11-23 18:27:40,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 233 transitions, 1576 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-23 18:27:40,616 INFO L231 Difference]: Finished difference. Result has 156 places, 233 transitions, 1222 flow
[2024-11-23 18:27:40,617 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1212, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1222, PETRI_PLACES=156, PETRI_TRANSITIONS=233}
[2024-11-23 18:27:40,617 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 26 predicate places.
[2024-11-23 18:27:40,618 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 233 transitions, 1222 flow
[2024-11-23 18:27:40,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 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)
[2024-11-23 18:27:40,618 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:27:40,618 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:27:40,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-23 18:27:40,618 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:27:40,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:27:40,619 INFO L85 PathProgramCache]: Analyzing trace with hash 130171430, now seen corresponding path program 1 times
[2024-11-23 18:27:40,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:27:40,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390199978]
[2024-11-23 18:27:40,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:40,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:27:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:27:42,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:27:42,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390199978]
[2024-11-23 18:27:42,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390199978] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:27:42,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505107163]
[2024-11-23 18:27:42,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:27:42,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:27:42,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:27:42,045 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:27:42,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-23 18:27:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:27:42,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjuncts are in the unsatisfiable core
[2024-11-23 18:27:42,221 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:27:42,268 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 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-23 18:27:42,331 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
[2024-11-23 18:27:42,489 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-11-23 18:27:42,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-11-23 18:27:42,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-11-23 18:27:42,678 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
[2024-11-23 18:27:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:27:42,704 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:27:43,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 18:27:43,108 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27
[2024-11-23 18:27:43,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 18:27:43,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 33
[2024-11-23 18:27:43,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 7
[2024-11-23 18:27:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:27:43,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505107163] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:27:43,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:27:43,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21
[2024-11-23 18:27:43,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080998575]
[2024-11-23 18:27:43,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:27:43,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-23 18:27:43,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:27:43,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-23 18:27:43,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=426, Unknown=3, NotChecked=0, Total=506
[2024-11-23 18:27:43,691 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 140
[2024-11-23 18:27:43,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 233 transitions, 1222 flow. Second operand has 23 states, 23 states have (on average 57.869565217391305) internal successors, (1331), 23 states have internal predecessors, (1331), 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)
[2024-11-23 18:27:43,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:27:43,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 140
[2024-11-23 18:27:43,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:27:45,413 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (* c_~id_3~0 4) c_~get_5~0.offset))) (and (forall ((v_ArrVal_374 (Array Int Int))) (< (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_374) c_~get_5~0.base) .cse0) 9223372039002259456)) (<= 0 c_~id_3~0) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_177| Int)) (or (forall ((v_ArrVal_374 (Array Int Int))) (< (select (select (store |c_#memory_int#1| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_177| v_ArrVal_374) c_~get_5~0.base) .cse0) 9223372039002259456)) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_177|) 0)))))) is different from false
[2024-11-23 18:27:49,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-23 18:28:05,388 INFO L124 PetriNetUnfolderBase]: 77793/118503 cut-off events.
[2024-11-23 18:28:05,388 INFO L125 PetriNetUnfolderBase]: For 11882/12326 co-relation queries the response was YES.
[2024-11-23 18:28:05,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241677 conditions, 118503 events. 77793/118503 cut-off events. For 11882/12326 co-relation queries the response was YES. Maximal size of possible extension queue 4985. Compared 1015824 event pairs, 17482 based on Foata normal form. 444/104225 useless extension candidates. Maximal degree in co-relation 241658. Up to 24786 conditions per place.
[2024-11-23 18:28:06,310 INFO L140 encePairwiseOnDemand]: 123/140 looper letters, 524 selfloop transitions, 108 changer transitions 0/669 dead transitions.
[2024-11-23 18:28:06,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 669 transitions, 4389 flow
[2024-11-23 18:28:06,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-23 18:28:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2024-11-23 18:28:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1533 transitions.
[2024-11-23 18:28:06,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49772727272727274
[2024-11-23 18:28:06,314 INFO L175 Difference]: Start difference. First operand has 156 places, 233 transitions, 1222 flow. Second operand 22 states and 1533 transitions.
[2024-11-23 18:28:06,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 669 transitions, 4389 flow
[2024-11-23 18:28:07,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 669 transitions, 4375 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:28:07,425 INFO L231 Difference]: Finished difference. Result has 180 places, 292 transitions, 1993 flow
[2024-11-23 18:28:07,425 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1216, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1993, PETRI_PLACES=180, PETRI_TRANSITIONS=292}
[2024-11-23 18:28:07,426 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 50 predicate places.
[2024-11-23 18:28:07,426 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 292 transitions, 1993 flow
[2024-11-23 18:28:07,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 57.869565217391305) internal successors, (1331), 23 states have internal predecessors, (1331), 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)
[2024-11-23 18:28:07,427 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:28:07,427 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:07,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-23 18:28:07,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-11-23 18:28:07,628 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 60 more)] ===
[2024-11-23 18:28:07,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:07,628 INFO L85 PathProgramCache]: Analyzing trace with hash -259683148, now seen corresponding path program 1 times
[2024-11-23 18:28:07,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:07,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477617143]
[2024-11-23 18:28:07,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:07,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:28:08,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:08,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477617143]
[2024-11-23 18:28:08,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477617143] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:28:08,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30230804]
[2024-11-23 18:28:08,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:28:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:28:08,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:28:08,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f1043f-a8d0-4f25-9dc1-f7adefef23b2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-23 18:28:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:09,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-23 18:28:09,157 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:28:09,193 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 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-23 18:28:09,279 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 23 treesize of output 1
[2024-11-23 18:28:09,658 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-11-23 18:28:09,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-11-23 18:28:09,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17
[2024-11-23 18:28:10,404 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size
[2024-11-23 18:28:10,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12
[2024-11-23 18:28:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 18:28:10,438 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:28:10,574 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_425 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_425) c_~get_5~0.base) (+ (* c_~id_3~0 4) c_~get_5~0.offset)) 4294967296))) is different from false
[2024-11-23 18:28:10,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 18:28:10,799 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29
[2024-11-23 18:28:10,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 18:28:10,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 39
[2024-11-23 18:28:10,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9
[2024-11-23 18:28:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 1 not checked.
[2024-11-23 18:28:10,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30230804] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:28:10,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:28:10,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21
[2024-11-23 18:28:10,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334105156]
[2024-11-23 18:28:10,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:28:10,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-23 18:28:10,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:10,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-23 18:28:10,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=390, Unknown=1, NotChecked=40, Total=506
[2024-11-23 18:28:10,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 140
[2024-11-23 18:28:10,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 292 transitions, 1993 flow. Second operand has 23 states, 23 states have (on average 57.869565217391305) internal successors, (1331), 23 states have internal predecessors, (1331), 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)
[2024-11-23 18:28:10,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:28:10,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 140
[2024-11-23 18:28:10,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:28:19,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1]