./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/reorder_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX --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 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:47:52,787 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:47:52,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 18:47:52,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:47:52,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:47:52,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:47:52,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:47:52,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:47:52,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:47:52,907 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:47:52,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:47:52,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:47:52,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:47:52,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:47:52,909 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:47:52,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:47:52,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:47:52,910 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:47:52,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:47:52,911 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:47:52,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:47:52,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:47:52,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:47:52,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:47:52,916 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:47:52,916 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:47:52,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:47:52,917 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:47:52,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:47:52,920 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:47:52,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:47:52,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:47:52,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:47:52,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:47:52,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:47:52,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:47:52,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:47:52,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:47:52,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:47:52,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:47:52,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:47:52,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:47:52,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:47:52,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:47:52,925 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd
[2024-11-08 18:47:53,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:47:53,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:47:53,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:47:53,228 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:47:53,229 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:47:53,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/reorder_5.i
Unable to find full path for "g++"
[2024-11-08 18:47:55,251 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:47:55,578 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:47:55,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/sv-benchmarks/c/pthread/reorder_5.i
[2024-11-08 18:47:55,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/data/672a59eb3/a8738b2b11d54f6c806eff944084a4bd/FLAG942265de2
[2024-11-08 18:47:55,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/data/672a59eb3/a8738b2b11d54f6c806eff944084a4bd
[2024-11-08 18:47:55,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:47:55,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:47:55,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:47:55,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:47:55,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:47:55,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:47:55" (1/1) ...
[2024-11-08 18:47:55,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c6e8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:55, skipping insertion in model container
[2024-11-08 18:47:55,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:47:55" (1/1) ...
[2024-11-08 18:47:55,699 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:47:56,363 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:47:56,371 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:47:56,429 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:47:56,525 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:47:56,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56 WrapperNode
[2024-11-08 18:47:56,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:47:56,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:47:56,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:47:56,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:47:56,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,588 INFO L138 Inliner]: procedures = 371, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141
[2024-11-08 18:47:56,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:47:56,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:47:56,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:47:56,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:47:56,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,624 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-11-08 18:47:56,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:47:56,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:47:56,644 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:47:56,644 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:47:56,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (1/1) ...
[2024-11-08 18:47:56,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:47:56,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:47:56,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:47:56,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:47:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:47:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 18:47:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 18:47:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure setThread
[2024-11-08 18:47:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread
[2024-11-08 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread
[2024-11-08 18:47:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread
[2024-11-08 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 18:47:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:47:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:47:56,718 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:47:56,861 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:47:56,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:47:57,203 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:47:57,203 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:47:57,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:47:57,460 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:47:57,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:47:57 BoogieIcfgContainer
[2024-11-08 18:47:57,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:47:57,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:47:57,464 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:47:57,467 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:47:57,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:47:55" (1/3) ...
[2024-11-08 18:47:57,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cc46d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:47:57, skipping insertion in model container
[2024-11-08 18:47:57,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:47:56" (2/3) ...
[2024-11-08 18:47:57,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cc46d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:47:57, skipping insertion in model container
[2024-11-08 18:47:57,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:47:57" (3/3) ...
[2024-11-08 18:47:57,471 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i
[2024-11-08 18:47:57,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:47:57,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-08 18:47:57,488 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:47:57,551 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-08 18:47:57,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 57 transitions, 134 flow
[2024-11-08 18:47:57,670 INFO L124 PetriNetUnfolderBase]: 22/142 cut-off events.
[2024-11-08 18:47:57,670 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-08 18:47:57,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 142 events. 22/142 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 494 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 71. Up to 8 conditions per place.
[2024-11-08 18:47:57,677 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 57 transitions, 134 flow
[2024-11-08 18:47:57,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 54 transitions, 128 flow
[2024-11-08 18:47:57,696 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:47:57,705 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;@3be1d938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:47:57,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-08 18:47:57,716 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:47:57,716 INFO L124 PetriNetUnfolderBase]: 3/19 cut-off events.
[2024-11-08 18:47:57,717 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:47:57,717 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:47:57,718 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:47:57,718 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:47:57,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:47:57,723 INFO L85 PathProgramCache]: Analyzing trace with hash -666027558, now seen corresponding path program 1 times
[2024-11-08 18:47:57,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:47:57,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566405905]
[2024-11-08 18:47:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:47:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:47:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:47:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:47:58,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:47:58,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566405905]
[2024-11-08 18:47:58,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566405905] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:47:58,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:47:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:47:58,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987173318]
[2024-11-08 18:47:58,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:47:58,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:47:58,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:47:58,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:47:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:47:58,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 57
[2024-11-08 18:47:58,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 54 transitions, 128 flow. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:47:58,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:47:58,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 57
[2024-11-08 18:47:58,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:47:58,472 INFO L124 PetriNetUnfolderBase]: 99/361 cut-off events.
[2024-11-08 18:47:58,472 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-11-08 18:47:58,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 361 events. 99/361 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1928 event pairs, 41 based on Foata normal form. 2/316 useless extension candidates. Maximal degree in co-relation 335. Up to 126 conditions per place.
[2024-11-08 18:47:58,488 INFO L140 encePairwiseOnDemand]: 46/57 looper letters, 31 selfloop transitions, 9 changer transitions 2/70 dead transitions.
[2024-11-08 18:47:58,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 70 transitions, 256 flow
[2024-11-08 18:47:58,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:47:58,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:47:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 164 transitions.
[2024-11-08 18:47:58,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351
[2024-11-08 18:47:58,514 INFO L175 Difference]: Start difference. First operand has 52 places, 54 transitions, 128 flow. Second operand 4 states and 164 transitions.
[2024-11-08 18:47:58,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 70 transitions, 256 flow
[2024-11-08 18:47:58,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 70 transitions, 256 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:47:58,526 INFO L231 Difference]: Finished difference. Result has 54 places, 55 transitions, 162 flow
[2024-11-08 18:47:58,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=162, PETRI_PLACES=54, PETRI_TRANSITIONS=55}
[2024-11-08 18:47:58,534 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places.
[2024-11-08 18:47:58,534 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 55 transitions, 162 flow
[2024-11-08 18:47:58,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:47:58,535 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:47:58,536 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:47:58,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:47:58,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:47:58,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:47:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash -44567342, now seen corresponding path program 1 times
[2024-11-08 18:47:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:47:58,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146512301]
[2024-11-08 18:47:58,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:47:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:47:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:47:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:47:58,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:47:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146512301]
[2024-11-08 18:47:58,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146512301] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:47:58,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:47:58,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:47:58,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534133599]
[2024-11-08 18:47:58,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:47:58,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:47:58,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:47:58,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:47:58,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:47:58,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 57
[2024-11-08 18:47:58,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 55 transitions, 162 flow. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:47:58,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:47:58,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 57
[2024-11-08 18:47:58,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:47:58,938 INFO L124 PetriNetUnfolderBase]: 97/344 cut-off events.
[2024-11-08 18:47:58,938 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES.
[2024-11-08 18:47:58,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 344 events. 97/344 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1793 event pairs, 21 based on Foata normal form. 12/317 useless extension candidates. Maximal degree in co-relation 361. Up to 118 conditions per place.
[2024-11-08 18:47:58,944 INFO L140 encePairwiseOnDemand]: 46/57 looper letters, 32 selfloop transitions, 9 changer transitions 0/67 dead transitions.
[2024-11-08 18:47:58,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 67 transitions, 280 flow
[2024-11-08 18:47:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:47:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:47:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions.
[2024-11-08 18:47:58,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7149122807017544
[2024-11-08 18:47:58,946 INFO L175 Difference]: Start difference. First operand has 54 places, 55 transitions, 162 flow. Second operand 4 states and 163 transitions.
[2024-11-08 18:47:58,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 67 transitions, 280 flow
[2024-11-08 18:47:58,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 67 transitions, 278 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:47:58,952 INFO L231 Difference]: Finished difference. Result has 54 places, 53 transitions, 174 flow
[2024-11-08 18:47:58,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=174, PETRI_PLACES=54, PETRI_TRANSITIONS=53}
[2024-11-08 18:47:58,953 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places.
[2024-11-08 18:47:58,953 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 53 transitions, 174 flow
[2024-11-08 18:47:58,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:47:58,954 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:47:58,954 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:47:58,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:47:58,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:47:58,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:47:58,957 INFO L85 PathProgramCache]: Analyzing trace with hash 431436757, now seen corresponding path program 1 times
[2024-11-08 18:47:58,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:47:58,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523689343]
[2024-11-08 18:47:58,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:47:58,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:47:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:47:59,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:47:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:47:59,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:47:59,060 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:47:59,061 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-11-08 18:47:59,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-08 18:47:59,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-08 18:47:59,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-08 18:47:59,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-08 18:47:59,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-08 18:47:59,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-08 18:47:59,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-08 18:47:59,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-08 18:47:59,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 10 remaining)
[2024-11-08 18:47:59,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:47:59,068 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-08 18:47:59,073 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-08 18:47:59,073 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-08 18:47:59,103 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-11-08 18:47:59,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 71 transitions, 186 flow
[2024-11-08 18:47:59,173 INFO L124 PetriNetUnfolderBase]: 101/519 cut-off events.
[2024-11-08 18:47:59,173 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES.
[2024-11-08 18:47:59,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 519 events. 101/519 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2717 event pairs, 2 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 309. Up to 32 conditions per place.
[2024-11-08 18:47:59,175 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 71 transitions, 186 flow
[2024-11-08 18:47:59,180 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 68 transitions, 180 flow
[2024-11-08 18:47:59,185 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:47:59,186 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;@3be1d938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:47:59,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-08 18:47:59,190 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:47:59,190 INFO L124 PetriNetUnfolderBase]: 3/19 cut-off events.
[2024-11-08 18:47:59,193 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:47:59,194 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:47:59,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:47:59,194 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:47:59,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:47:59,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1375238594, now seen corresponding path program 1 times
[2024-11-08 18:47:59,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:47:59,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688805566]
[2024-11-08 18:47:59,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:47:59,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:47:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:47:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:47:59,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:47:59,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688805566]
[2024-11-08 18:47:59,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688805566] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:47:59,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:47:59,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:47:59,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606043384]
[2024-11-08 18:47:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:47:59,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:47:59,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:47:59,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:47:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:47:59,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 71
[2024-11-08 18:47:59,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 68 transitions, 180 flow. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:47:59,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:47:59,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 71
[2024-11-08 18:47:59,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:00,020 INFO L124 PetriNetUnfolderBase]: 1745/4163 cut-off events.
[2024-11-08 18:48:00,020 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES.
[2024-11-08 18:48:00,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7258 conditions, 4163 events. 1745/4163 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 35790 event pairs, 669 based on Foata normal form. 2/3714 useless extension candidates. Maximal degree in co-relation 2567. Up to 1361 conditions per place.
[2024-11-08 18:48:00,055 INFO L140 encePairwiseOnDemand]: 60/71 looper letters, 53 selfloop transitions, 9 changer transitions 0/96 dead transitions.
[2024-11-08 18:48:00,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 96 transitions, 384 flow
[2024-11-08 18:48:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:48:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:48:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 208 transitions.
[2024-11-08 18:48:00,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7323943661971831
[2024-11-08 18:48:00,059 INFO L175 Difference]: Start difference. First operand has 66 places, 68 transitions, 180 flow. Second operand 4 states and 208 transitions.
[2024-11-08 18:48:00,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 96 transitions, 384 flow
[2024-11-08 18:48:00,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 96 transitions, 384 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:48:00,066 INFO L231 Difference]: Finished difference. Result has 72 places, 76 transitions, 252 flow
[2024-11-08 18:48:00,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=252, PETRI_PLACES=72, PETRI_TRANSITIONS=76}
[2024-11-08 18:48:00,069 INFO L277 CegarLoopForPetriNet]: 66 programPoint places, 6 predicate places.
[2024-11-08 18:48:00,069 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 76 transitions, 252 flow
[2024-11-08 18:48:00,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:00,070 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:00,071 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:00,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:48:00,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:00,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:00,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1195226853, now seen corresponding path program 1 times
[2024-11-08 18:48:00,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:00,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939831689]
[2024-11-08 18:48:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:00,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:00,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:00,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939831689]
[2024-11-08 18:48:00,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939831689] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:00,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:48:00,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:48:00,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354242919]
[2024-11-08 18:48:00,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:00,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:48:00,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:00,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:48:00,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:48:00,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 71
[2024-11-08 18:48:00,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 76 transitions, 252 flow. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:00,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:00,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 71
[2024-11-08 18:48:00,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:00,937 INFO L124 PetriNetUnfolderBase]: 1833/4216 cut-off events.
[2024-11-08 18:48:00,937 INFO L125 PetriNetUnfolderBase]: For 1304/1304 co-relation queries the response was YES.
[2024-11-08 18:48:00,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8133 conditions, 4216 events. 1833/4216 cut-off events. For 1304/1304 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 35698 event pairs, 525 based on Foata normal form. 28/3821 useless extension candidates. Maximal degree in co-relation 2865. Up to 1497 conditions per place.
[2024-11-08 18:48:00,970 INFO L140 encePairwiseOnDemand]: 60/71 looper letters, 55 selfloop transitions, 9 changer transitions 0/98 dead transitions.
[2024-11-08 18:48:00,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 98 transitions, 448 flow
[2024-11-08 18:48:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:48:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:48:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 210 transitions.
[2024-11-08 18:48:00,974 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7394366197183099
[2024-11-08 18:48:00,974 INFO L175 Difference]: Start difference. First operand has 72 places, 76 transitions, 252 flow. Second operand 4 states and 210 transitions.
[2024-11-08 18:48:00,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 98 transitions, 448 flow
[2024-11-08 18:48:00,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 98 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:48:00,982 INFO L231 Difference]: Finished difference. Result has 77 places, 77 transitions, 288 flow
[2024-11-08 18:48:00,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=288, PETRI_PLACES=77, PETRI_TRANSITIONS=77}
[2024-11-08 18:48:00,986 INFO L277 CegarLoopForPetriNet]: 66 programPoint places, 11 predicate places.
[2024-11-08 18:48:00,986 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 77 transitions, 288 flow
[2024-11-08 18:48:00,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:00,987 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:00,987 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:00,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:48:00,987 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:00,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:00,988 INFO L85 PathProgramCache]: Analyzing trace with hash -385172720, now seen corresponding path program 1 times
[2024-11-08 18:48:00,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:00,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942722859]
[2024-11-08 18:48:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:01,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942722859]
[2024-11-08 18:48:01,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942722859] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880133474]
[2024-11-08 18:48:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:01,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:01,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:01,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:48:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:01,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:01,222 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:01,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:48:01,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880133474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:01,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:48:01,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-08 18:48:01,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101853304]
[2024-11-08 18:48:01,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:01,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:48:01,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:01,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:48:01,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:48:01,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 71
[2024-11-08 18:48:01,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 77 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:01,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:01,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 71
[2024-11-08 18:48:01,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:02,074 INFO L124 PetriNetUnfolderBase]: 1741/4124 cut-off events.
[2024-11-08 18:48:02,074 INFO L125 PetriNetUnfolderBase]: For 2565/2565 co-relation queries the response was YES.
[2024-11-08 18:48:02,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8406 conditions, 4124 events. 1741/4124 cut-off events. For 2565/2565 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 35218 event pairs, 327 based on Foata normal form. 4/3723 useless extension candidates. Maximal degree in co-relation 2988. Up to 1332 conditions per place.
[2024-11-08 18:48:02,110 INFO L140 encePairwiseOnDemand]: 61/71 looper letters, 54 selfloop transitions, 11 changer transitions 0/99 dead transitions.
[2024-11-08 18:48:02,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 99 transitions, 484 flow
[2024-11-08 18:48:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:48:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:48:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 282 transitions.
[2024-11-08 18:48:02,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6619718309859155
[2024-11-08 18:48:02,112 INFO L175 Difference]: Start difference. First operand has 77 places, 77 transitions, 288 flow. Second operand 6 states and 282 transitions.
[2024-11-08 18:48:02,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 99 transitions, 484 flow
[2024-11-08 18:48:02,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 99 transitions, 476 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:48:02,119 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 298 flow
[2024-11-08 18:48:02,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=298, PETRI_PLACES=80, PETRI_TRANSITIONS=76}
[2024-11-08 18:48:02,121 INFO L277 CegarLoopForPetriNet]: 66 programPoint places, 14 predicate places.
[2024-11-08 18:48:02,122 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 298 flow
[2024-11-08 18:48:02,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:02,123 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:02,123 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-08 18:48:02,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 18:48:02,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-08 18:48:02,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:02,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:02,324 INFO L85 PathProgramCache]: Analyzing trace with hash 944548007, now seen corresponding path program 1 times
[2024-11-08 18:48:02,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:02,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273818502]
[2024-11-08 18:48:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:02,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:02,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:02,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273818502]
[2024-11-08 18:48:02,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273818502] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:02,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815532305]
[2024-11-08 18:48:02,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:02,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:02,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:02,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 18:48:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:02,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:02,543 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:02,593 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:48:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:02,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815532305] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:48:02,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:48:02,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10
[2024-11-08 18:48:02,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451219681]
[2024-11-08 18:48:02,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:48:02,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 18:48:02,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:02,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 18:48:02,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:48:02,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 71
[2024-11-08 18:48:02,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 298 flow. Second operand has 12 states, 12 states have (on average 37.916666666666664) internal successors, (455), 12 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:02,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:02,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 71
[2024-11-08 18:48:02,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:03,657 INFO L124 PetriNetUnfolderBase]: 1736/4114 cut-off events.
[2024-11-08 18:48:03,657 INFO L125 PetriNetUnfolderBase]: For 3156/3156 co-relation queries the response was YES.
[2024-11-08 18:48:03,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8508 conditions, 4114 events. 1736/4114 cut-off events. For 3156/3156 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 35177 event pairs, 328 based on Foata normal form. 4/3722 useless extension candidates. Maximal degree in co-relation 3026. Up to 1332 conditions per place.
[2024-11-08 18:48:03,760 INFO L140 encePairwiseOnDemand]: 61/71 looper letters, 56 selfloop transitions, 12 changer transitions 0/102 dead transitions.
[2024-11-08 18:48:03,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 102 transitions, 516 flow
[2024-11-08 18:48:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 18:48:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-08 18:48:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 321 transitions.
[2024-11-08 18:48:03,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6458752515090543
[2024-11-08 18:48:03,763 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 298 flow. Second operand 7 states and 321 transitions.
[2024-11-08 18:48:03,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 102 transitions, 516 flow
[2024-11-08 18:48:03,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 102 transitions, 490 flow, removed 2 selfloop flow, removed 4 redundant places.
[2024-11-08 18:48:03,770 INFO L231 Difference]: Finished difference. Result has 81 places, 76 transitions, 302 flow
[2024-11-08 18:48:03,770 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=302, PETRI_PLACES=81, PETRI_TRANSITIONS=76}
[2024-11-08 18:48:03,771 INFO L277 CegarLoopForPetriNet]: 66 programPoint places, 15 predicate places.
[2024-11-08 18:48:03,772 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 302 flow
[2024-11-08 18:48:03,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 37.916666666666664) internal successors, (455), 12 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:03,773 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:03,773 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:03,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 18:48:03,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-08 18:48:03,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:03,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:03,978 INFO L85 PathProgramCache]: Analyzing trace with hash 528363679, now seen corresponding path program 1 times
[2024-11-08 18:48:03,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:03,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589011350]
[2024-11-08 18:48:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:03,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:04,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:04,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589011350]
[2024-11-08 18:48:04,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589011350] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:04,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306915334]
[2024-11-08 18:48:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:04,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:04,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:04,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:04,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:48:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:04,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:04,190 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:04,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:48:04,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306915334] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:04,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:48:04,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 18:48:04,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573030719]
[2024-11-08 18:48:04,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:04,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:48:04,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:04,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:48:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:48:04,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 71
[2024-11-08 18:48:04,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 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)
[2024-11-08 18:48:04,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:04,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 71
[2024-11-08 18:48:04,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:04,998 INFO L124 PetriNetUnfolderBase]: 1785/4139 cut-off events.
[2024-11-08 18:48:04,998 INFO L125 PetriNetUnfolderBase]: For 3173/3173 co-relation queries the response was YES.
[2024-11-08 18:48:05,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8578 conditions, 4139 events. 1785/4139 cut-off events. For 3173/3173 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 35275 event pairs, 495 based on Foata normal form. 28/3772 useless extension candidates. Maximal degree in co-relation 3043. Up to 1304 conditions per place.
[2024-11-08 18:48:05,027 INFO L140 encePairwiseOnDemand]: 61/71 looper letters, 60 selfloop transitions, 12 changer transitions 0/104 dead transitions.
[2024-11-08 18:48:05,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 104 transitions, 524 flow
[2024-11-08 18:48:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:48:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:48:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 288 transitions.
[2024-11-08 18:48:05,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.676056338028169
[2024-11-08 18:48:05,029 INFO L175 Difference]: Start difference. First operand has 81 places, 76 transitions, 302 flow. Second operand 6 states and 288 transitions.
[2024-11-08 18:48:05,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 104 transitions, 524 flow
[2024-11-08 18:48:05,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 104 transitions, 500 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-08 18:48:05,034 INFO L231 Difference]: Finished difference. Result has 80 places, 75 transitions, 298 flow
[2024-11-08 18:48:05,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=298, PETRI_PLACES=80, PETRI_TRANSITIONS=75}
[2024-11-08 18:48:05,035 INFO L277 CegarLoopForPetriNet]: 66 programPoint places, 14 predicate places.
[2024-11-08 18:48:05,035 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 298 flow
[2024-11-08 18:48:05,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 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)
[2024-11-08 18:48:05,035 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:05,036 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:05,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 18:48:05,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:05,237 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:05,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash -800594659, now seen corresponding path program 1 times
[2024-11-08 18:48:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:05,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908506437]
[2024-11-08 18:48:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:05,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:05,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:05,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908506437]
[2024-11-08 18:48:05,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908506437] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635672018]
[2024-11-08 18:48:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:05,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:05,354 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:05,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 18:48:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:05,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:05,453 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:05,497 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:48:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:05,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635672018] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:48:05,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:48:05,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-08 18:48:05,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303049351]
[2024-11-08 18:48:05,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:48:05,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 18:48:05,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:05,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 18:48:05,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:48:05,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 71
[2024-11-08 18:48:05,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 298 flow. Second operand has 12 states, 12 states have (on average 38.0) internal successors, (456), 12 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:05,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:05,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 71
[2024-11-08 18:48:05,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:06,348 INFO L124 PetriNetUnfolderBase]: 1737/4056 cut-off events.
[2024-11-08 18:48:06,348 INFO L125 PetriNetUnfolderBase]: For 3289/3289 co-relation queries the response was YES.
[2024-11-08 18:48:06,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8451 conditions, 4056 events. 1737/4056 cut-off events. For 3289/3289 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 34527 event pairs, 295 based on Foata normal form. 28/3717 useless extension candidates. Maximal degree in co-relation 3009. Up to 1304 conditions per place.
[2024-11-08 18:48:06,380 INFO L140 encePairwiseOnDemand]: 61/71 looper letters, 64 selfloop transitions, 13 changer transitions 0/109 dead transitions.
[2024-11-08 18:48:06,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 109 transitions, 550 flow
[2024-11-08 18:48:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 18:48:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-08 18:48:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 329 transitions.
[2024-11-08 18:48:06,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6619718309859155
[2024-11-08 18:48:06,382 INFO L175 Difference]: Start difference. First operand has 80 places, 75 transitions, 298 flow. Second operand 7 states and 329 transitions.
[2024-11-08 18:48:06,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 109 transitions, 550 flow
[2024-11-08 18:48:06,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 109 transitions, 522 flow, removed 2 selfloop flow, removed 4 redundant places.
[2024-11-08 18:48:06,390 INFO L231 Difference]: Finished difference. Result has 81 places, 75 transitions, 302 flow
[2024-11-08 18:48:06,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=302, PETRI_PLACES=81, PETRI_TRANSITIONS=75}
[2024-11-08 18:48:06,391 INFO L277 CegarLoopForPetriNet]: 66 programPoint places, 15 predicate places.
[2024-11-08 18:48:06,391 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 302 flow
[2024-11-08 18:48:06,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 38.0) internal successors, (456), 12 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:06,392 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:06,393 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1]
[2024-11-08 18:48:06,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 18:48:06,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:06,594 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:06,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1595567277, now seen corresponding path program 1 times
[2024-11-08 18:48:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:06,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680781934]
[2024-11-08 18:48:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:06,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:48:06,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:48:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:48:06,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:48:06,640 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:48:06,640 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-11-08 18:48:06,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-08 18:48:06,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-08 18:48:06,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-08 18:48:06,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-08 18:48:06,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-08 18:48:06,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-08 18:48:06,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-08 18:48:06,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-08 18:48:06,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 10 remaining)
[2024-11-08 18:48:06,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 18:48:06,642 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:06,643 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-08 18:48:06,643 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-08 18:48:06,680 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions.
[2024-11-08 18:48:06,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 85 transitions, 242 flow
[2024-11-08 18:48:06,890 INFO L124 PetriNetUnfolderBase]: 484/1910 cut-off events.
[2024-11-08 18:48:06,890 INFO L125 PetriNetUnfolderBase]: For 419/419 co-relation queries the response was YES.
[2024-11-08 18:48:06,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2346 conditions, 1910 events. 484/1910 cut-off events. For 419/419 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 13014 event pairs, 64 based on Foata normal form. 0/1332 useless extension candidates. Maximal degree in co-relation 1178. Up to 192 conditions per place.
[2024-11-08 18:48:06,896 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 85 transitions, 242 flow
[2024-11-08 18:48:06,903 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 82 transitions, 236 flow
[2024-11-08 18:48:06,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:48:06,906 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;@3be1d938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:48:06,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-08 18:48:06,911 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:48:06,911 INFO L124 PetriNetUnfolderBase]: 3/19 cut-off events.
[2024-11-08 18:48:06,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:48:06,912 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:06,912 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:06,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:06,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash -464294166, now seen corresponding path program 1 times
[2024-11-08 18:48:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763985382]
[2024-11-08 18:48:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:06,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:06,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763985382]
[2024-11-08 18:48:06,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763985382] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:06,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:48:06,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:48:06,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584430979]
[2024-11-08 18:48:06,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:06,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:48:06,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:06,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:48:06,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:48:07,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:07,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 236 flow. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:07,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:07,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:07,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:11,812 INFO L124 PetriNetUnfolderBase]: 22987/43628 cut-off events.
[2024-11-08 18:48:11,812 INFO L125 PetriNetUnfolderBase]: For 5108/5108 co-relation queries the response was YES.
[2024-11-08 18:48:11,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80041 conditions, 43628 events. 22987/43628 cut-off events. For 5108/5108 co-relation queries the response was YES. Maximal size of possible extension queue 1763. Compared 442722 event pairs, 8083 based on Foata normal form. 2/39987 useless extension candidates. Maximal degree in co-relation 24248. Up to 17821 conditions per place.
[2024-11-08 18:48:12,140 INFO L140 encePairwiseOnDemand]: 74/85 looper letters, 67 selfloop transitions, 9 changer transitions 0/116 dead transitions.
[2024-11-08 18:48:12,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 116 transitions, 492 flow
[2024-11-08 18:48:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:48:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:48:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 246 transitions.
[2024-11-08 18:48:12,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7235294117647059
[2024-11-08 18:48:12,142 INFO L175 Difference]: Start difference. First operand has 80 places, 82 transitions, 236 flow. Second operand 4 states and 246 transitions.
[2024-11-08 18:48:12,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 116 transitions, 492 flow
[2024-11-08 18:48:12,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 116 transitions, 492 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:48:12,148 INFO L231 Difference]: Finished difference. Result has 86 places, 90 transitions, 308 flow
[2024-11-08 18:48:12,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=308, PETRI_PLACES=86, PETRI_TRANSITIONS=90}
[2024-11-08 18:48:12,149 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 6 predicate places.
[2024-11-08 18:48:12,150 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 90 transitions, 308 flow
[2024-11-08 18:48:12,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:12,151 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:12,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:12,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-08 18:48:12,153 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:12,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:12,154 INFO L85 PathProgramCache]: Analyzing trace with hash 532939876, now seen corresponding path program 1 times
[2024-11-08 18:48:12,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:12,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000133323]
[2024-11-08 18:48:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:12,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:12,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:12,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000133323]
[2024-11-08 18:48:12,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000133323] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:12,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:48:12,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:48:12,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044666506]
[2024-11-08 18:48:12,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:12,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:48:12,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:48:12,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:48:12,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:12,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 90 transitions, 308 flow. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:12,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:12,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:12,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:17,217 INFO L124 PetriNetUnfolderBase]: 23843/44410 cut-off events.
[2024-11-08 18:48:17,217 INFO L125 PetriNetUnfolderBase]: For 12638/12638 co-relation queries the response was YES.
[2024-11-08 18:48:17,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87533 conditions, 44410 events. 23843/44410 cut-off events. For 12638/12638 co-relation queries the response was YES. Maximal size of possible extension queue 1765. Compared 446380 event pairs, 8617 based on Foata normal form. 60/40895 useless extension candidates. Maximal degree in co-relation 26886. Up to 19013 conditions per place.
[2024-11-08 18:48:17,547 INFO L140 encePairwiseOnDemand]: 74/85 looper letters, 70 selfloop transitions, 9 changer transitions 0/119 dead transitions.
[2024-11-08 18:48:17,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 119 transitions, 560 flow
[2024-11-08 18:48:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:48:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:48:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 249 transitions.
[2024-11-08 18:48:17,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7323529411764705
[2024-11-08 18:48:17,553 INFO L175 Difference]: Start difference. First operand has 86 places, 90 transitions, 308 flow. Second operand 4 states and 249 transitions.
[2024-11-08 18:48:17,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 119 transitions, 560 flow
[2024-11-08 18:48:17,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 119 transitions, 560 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:48:17,562 INFO L231 Difference]: Finished difference. Result has 91 places, 91 transitions, 344 flow
[2024-11-08 18:48:17,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=344, PETRI_PLACES=91, PETRI_TRANSITIONS=91}
[2024-11-08 18:48:17,563 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 11 predicate places.
[2024-11-08 18:48:17,563 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 91 transitions, 344 flow
[2024-11-08 18:48:17,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:17,564 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:17,564 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:17,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-08 18:48:17,564 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:17,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:17,565 INFO L85 PathProgramCache]: Analyzing trace with hash -51501216, now seen corresponding path program 1 times
[2024-11-08 18:48:17,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:17,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073562356]
[2024-11-08 18:48:17,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:17,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:17,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073562356]
[2024-11-08 18:48:17,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073562356] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:17,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590228446]
[2024-11-08 18:48:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:17,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:17,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:17,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:17,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 18:48:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:17,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:17,766 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:17,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:48:17,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590228446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:17,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:48:17,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-08 18:48:17,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848733860]
[2024-11-08 18:48:17,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:17,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:48:17,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:17,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:48:17,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:48:17,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:17,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 43.5) internal successors, (261), 6 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:17,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:17,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:17,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:22,655 INFO L124 PetriNetUnfolderBase]: 22971/43535 cut-off events.
[2024-11-08 18:48:22,656 INFO L125 PetriNetUnfolderBase]: For 22491/22491 co-relation queries the response was YES.
[2024-11-08 18:48:22,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89235 conditions, 43535 events. 22971/43535 cut-off events. For 22491/22491 co-relation queries the response was YES. Maximal size of possible extension queue 1763. Compared 443638 event pairs, 6293 based on Foata normal form. 12/40126 useless extension candidates. Maximal degree in co-relation 27462. Up to 17653 conditions per place.
[2024-11-08 18:48:23,052 INFO L140 encePairwiseOnDemand]: 75/85 looper letters, 70 selfloop transitions, 11 changer transitions 0/121 dead transitions.
[2024-11-08 18:48:23,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 121 transitions, 600 flow
[2024-11-08 18:48:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:48:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:48:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 334 transitions.
[2024-11-08 18:48:23,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6549019607843137
[2024-11-08 18:48:23,054 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 344 flow. Second operand 6 states and 334 transitions.
[2024-11-08 18:48:23,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 121 transitions, 600 flow
[2024-11-08 18:48:23,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 121 transitions, 592 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:48:23,072 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 354 flow
[2024-11-08 18:48:23,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=354, PETRI_PLACES=94, PETRI_TRANSITIONS=90}
[2024-11-08 18:48:23,073 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 14 predicate places.
[2024-11-08 18:48:23,073 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 354 flow
[2024-11-08 18:48:23,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.5) internal successors, (261), 6 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:23,074 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:23,074 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-08 18:48:23,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-08 18:48:23,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:23,275 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:23,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:23,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1596537174, now seen corresponding path program 1 times
[2024-11-08 18:48:23,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:23,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036744383]
[2024-11-08 18:48:23,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:23,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:23,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:23,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036744383]
[2024-11-08 18:48:23,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036744383] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:23,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687583469]
[2024-11-08 18:48:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:23,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:23,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:23,361 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:23,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 18:48:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:23,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:23,475 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:23,516 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:48:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:23,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687583469] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:48:23,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:48:23,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10
[2024-11-08 18:48:23,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582373722]
[2024-11-08 18:48:23,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:48:23,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 18:48:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:23,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 18:48:23,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:48:23,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:23,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 354 flow. Second operand has 12 states, 12 states have (on average 43.916666666666664) internal successors, (527), 12 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:23,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:23,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:23,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:28,545 INFO L124 PetriNetUnfolderBase]: 22917/43370 cut-off events.
[2024-11-08 18:48:28,545 INFO L125 PetriNetUnfolderBase]: For 27258/27258 co-relation queries the response was YES.
[2024-11-08 18:48:28,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89946 conditions, 43370 events. 22917/43370 cut-off events. For 27258/27258 co-relation queries the response was YES. Maximal size of possible extension queue 1762. Compared 441140 event pairs, 6568 based on Foata normal form. 12/40023 useless extension candidates. Maximal degree in co-relation 27681. Up to 17653 conditions per place.
[2024-11-08 18:48:28,915 INFO L140 encePairwiseOnDemand]: 75/85 looper letters, 78 selfloop transitions, 15 changer transitions 0/133 dead transitions.
[2024-11-08 18:48:28,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 133 transitions, 684 flow
[2024-11-08 18:48:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 18:48:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:48:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 473 transitions.
[2024-11-08 18:48:28,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6183006535947713
[2024-11-08 18:48:28,918 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 354 flow. Second operand 9 states and 473 transitions.
[2024-11-08 18:48:28,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 133 transitions, 684 flow
[2024-11-08 18:48:28,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 133 transitions, 652 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-08 18:48:28,939 INFO L231 Difference]: Finished difference. Result has 97 places, 93 transitions, 380 flow
[2024-11-08 18:48:28,939 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=380, PETRI_PLACES=97, PETRI_TRANSITIONS=93}
[2024-11-08 18:48:28,940 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 17 predicate places.
[2024-11-08 18:48:28,940 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 93 transitions, 380 flow
[2024-11-08 18:48:28,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 43.916666666666664) internal successors, (527), 12 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:28,941 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:28,941 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:28,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-08 18:48:29,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:29,146 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:29,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:29,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1460242961, now seen corresponding path program 1 times
[2024-11-08 18:48:29,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:29,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933021598]
[2024-11-08 18:48:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:29,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:29,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933021598]
[2024-11-08 18:48:29,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933021598] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:29,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189924819]
[2024-11-08 18:48:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:29,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:29,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:29,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:29,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 18:48:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:29,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:29,398 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:29,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:48:29,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189924819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:29,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:48:29,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 18:48:29,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649486823]
[2024-11-08 18:48:29,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:29,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:48:29,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:29,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:48:29,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:48:29,518 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:29,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:29,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:29,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:29,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:34,215 INFO L124 PetriNetUnfolderBase]: 23384/43732 cut-off events.
[2024-11-08 18:48:34,216 INFO L125 PetriNetUnfolderBase]: For 27369/27369 co-relation queries the response was YES.
[2024-11-08 18:48:34,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90749 conditions, 43732 events. 23384/43732 cut-off events. For 27369/27369 co-relation queries the response was YES. Maximal size of possible extension queue 1764. Compared 441900 event pairs, 4956 based on Foata normal form. 180/40532 useless extension candidates. Maximal degree in co-relation 27974. Up to 15201 conditions per place.
[2024-11-08 18:48:34,601 INFO L140 encePairwiseOnDemand]: 75/85 looper letters, 81 selfloop transitions, 13 changer transitions 0/132 dead transitions.
[2024-11-08 18:48:34,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 132 transitions, 680 flow
[2024-11-08 18:48:34,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:48:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:48:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 343 transitions.
[2024-11-08 18:48:34,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6725490196078432
[2024-11-08 18:48:34,607 INFO L175 Difference]: Start difference. First operand has 97 places, 93 transitions, 380 flow. Second operand 6 states and 343 transitions.
[2024-11-08 18:48:34,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 132 transitions, 680 flow
[2024-11-08 18:48:34,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 132 transitions, 650 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-08 18:48:34,631 INFO L231 Difference]: Finished difference. Result has 96 places, 92 transitions, 372 flow
[2024-11-08 18:48:34,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=372, PETRI_PLACES=96, PETRI_TRANSITIONS=92}
[2024-11-08 18:48:34,633 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 16 predicate places.
[2024-11-08 18:48:34,633 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 92 transitions, 372 flow
[2024-11-08 18:48:34,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:34,634 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:34,634 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:34,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-08 18:48:34,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-08 18:48:34,838 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:34,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:34,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1977107906, now seen corresponding path program 1 times
[2024-11-08 18:48:34,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:34,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714895832]
[2024-11-08 18:48:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:34,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:34,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:34,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714895832]
[2024-11-08 18:48:34,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714895832] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:48:34,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755259799]
[2024-11-08 18:48:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:34,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:48:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:48:34,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:48:34,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 18:48:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:35,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:48:35,081 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:48:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:35,124 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:48:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:48:35,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755259799] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:48:35,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:48:35,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-08 18:48:35,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138302354]
[2024-11-08 18:48:35,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:48:35,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 18:48:35,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:35,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 18:48:35,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:48:35,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:35,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 92 transitions, 372 flow. Second operand has 12 states, 12 states have (on average 44.0) internal successors, (528), 12 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:35,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:35,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:35,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:40,121 INFO L124 PetriNetUnfolderBase]: 22910/43003 cut-off events.
[2024-11-08 18:48:40,121 INFO L125 PetriNetUnfolderBase]: For 28119/28119 co-relation queries the response was YES.
[2024-11-08 18:48:40,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89580 conditions, 43003 events. 22910/43003 cut-off events. For 28119/28119 co-relation queries the response was YES. Maximal size of possible extension queue 1763. Compared 435091 event pairs, 4446 based on Foata normal form. 180/40013 useless extension candidates. Maximal degree in co-relation 27498. Up to 15201 conditions per place.
[2024-11-08 18:48:40,583 INFO L140 encePairwiseOnDemand]: 75/85 looper letters, 98 selfloop transitions, 17 changer transitions 0/153 dead transitions.
[2024-11-08 18:48:40,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 153 transitions, 782 flow
[2024-11-08 18:48:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 18:48:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:48:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 491 transitions.
[2024-11-08 18:48:40,589 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6418300653594772
[2024-11-08 18:48:40,589 INFO L175 Difference]: Start difference. First operand has 96 places, 92 transitions, 372 flow. Second operand 9 states and 491 transitions.
[2024-11-08 18:48:40,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 153 transitions, 782 flow
[2024-11-08 18:48:40,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 153 transitions, 746 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-08 18:48:40,615 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 398 flow
[2024-11-08 18:48:40,616 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=398, PETRI_PLACES=99, PETRI_TRANSITIONS=95}
[2024-11-08 18:48:40,616 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 19 predicate places.
[2024-11-08 18:48:40,620 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 398 flow
[2024-11-08 18:48:40,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 44.0) internal successors, (528), 12 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:40,621 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:40,622 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:40,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-08 18:48:40,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf7f23-167f-47e1-ac7f-aab9a04fd909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-08 18:48:40,823 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:40,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1427088248, now seen corresponding path program 1 times
[2024-11-08 18:48:40,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:40,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843202665]
[2024-11-08 18:48:40,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 18:48:40,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:40,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843202665]
[2024-11-08 18:48:40,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843202665] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:40,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:48:40,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:48:40,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870362641]
[2024-11-08 18:48:40,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:40,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:48:40,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:40,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:48:40,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:48:40,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:40,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 398 flow. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:40,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:40,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:40,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:48:45,956 INFO L124 PetriNetUnfolderBase]: 24495/43688 cut-off events.
[2024-11-08 18:48:45,956 INFO L125 PetriNetUnfolderBase]: For 27832/27832 co-relation queries the response was YES.
[2024-11-08 18:48:46,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92752 conditions, 43688 events. 24495/43688 cut-off events. For 27832/27832 co-relation queries the response was YES. Maximal size of possible extension queue 1846. Compared 425606 event pairs, 10986 based on Foata normal form. 922/42166 useless extension candidates. Maximal degree in co-relation 28089. Up to 20283 conditions per place.
[2024-11-08 18:48:46,252 INFO L140 encePairwiseOnDemand]: 74/85 looper letters, 76 selfloop transitions, 13 changer transitions 0/125 dead transitions.
[2024-11-08 18:48:46,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 125 transitions, 672 flow
[2024-11-08 18:48:46,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:48:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:48:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 251 transitions.
[2024-11-08 18:48:46,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7382352941176471
[2024-11-08 18:48:46,254 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 398 flow. Second operand 4 states and 251 transitions.
[2024-11-08 18:48:46,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 125 transitions, 672 flow
[2024-11-08 18:48:46,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 125 transitions, 638 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-08 18:48:46,269 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 412 flow
[2024-11-08 18:48:46,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=412, PETRI_PLACES=99, PETRI_TRANSITIONS=96}
[2024-11-08 18:48:46,270 INFO L277 CegarLoopForPetriNet]: 80 programPoint places, 19 predicate places.
[2024-11-08 18:48:46,270 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 412 flow
[2024-11-08 18:48:46,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:46,270 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:48:46,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:48:46,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-08 18:48:46,271 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 18:48:46,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:48:46,272 INFO L85 PathProgramCache]: Analyzing trace with hash -305784105, now seen corresponding path program 1 times
[2024-11-08 18:48:46,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:48:46,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241292316]
[2024-11-08 18:48:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:48:46,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:48:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:48:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 18:48:46,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:48:46,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241292316]
[2024-11-08 18:48:46,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241292316] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:48:46,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:48:46,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:48:46,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206671522]
[2024-11-08 18:48:46,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:48:46,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:48:46,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:48:46,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:48:46,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:48:46,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 85
[2024-11-08 18:48:46,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 412 flow. Second operand has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:48:46,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:48:46,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 85
[2024-11-08 18:48:46,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand