./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1 --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 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:53:58,309 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:53:58,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 14:53:58,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:53:58,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:53:58,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:53:58,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:53:58,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:53:58,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:53:58,390 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 14:53:58,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:53:58,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:53:58,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:53:58,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 14:53:58,390 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 14:53:58,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:53:58,391 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 14:53:58,392 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:53:58,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:53:58,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:53:58,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:53:58,393 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1
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 -> 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d
[2024-12-02 14:53:58,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:53:58,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:53:58,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:53:58,635 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 14:53:58,636 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 14:53:58,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix004.opt.i
[2024-12-02 14:54:01,350 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/data/141fa04f3/2bdc822cfeb44ec3af240573705ebae1/FLAG51658f025
[2024-12-02 14:54:01,573 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 14:54:01,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/sv-benchmarks/c/pthread-wmm/mix004.opt.i
[2024-12-02 14:54:01,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/data/141fa04f3/2bdc822cfeb44ec3af240573705ebae1/FLAG51658f025
[2024-12-02 14:54:01,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/data/141fa04f3/2bdc822cfeb44ec3af240573705ebae1
[2024-12-02 14:54:01,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:54:01,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:54:01,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:54:01,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:54:01,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:54:01,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:01" (1/1) ...
[2024-12-02 14:54:01,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5410d7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:01, skipping insertion in model container
[2024-12-02 14:54:01,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:01" (1/1) ...
[2024-12-02 14:54:01,645 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:54:01,982 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:54:01,991 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 14:54:02,050 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:54:02,077 INFO L204 MainTranslator]: Completed translation
[2024-12-02 14:54:02,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02 WrapperNode
[2024-12-02 14:54:02,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:54:02,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:54:02,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:54:02,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:54:02,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,119 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 158
[2024-12-02 14:54:02,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:54:02,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:54:02,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:54:02,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:54:02,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,148 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 14:54:02,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:54:02,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:54:02,166 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:54:02,167 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:54:02,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ...
[2024-12-02 14:54:02,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:54:02,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:54:02,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 14:54:02,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 14:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-12-02 14:54:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-12-02 14:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-12-02 14:54:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-12-02 14:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-12-02 14:54:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-12-02 14:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-12-02 14:54:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-12-02 14:54:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 14:54:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 14:54:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:54:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:54:02,218 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 14:54:02,333 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 14:54:02,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:54:02,661 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 14:54:02,661 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 14:54:02,901 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:54:02,902 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 14:54:02,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:02 BoogieIcfgContainer
[2024-12-02 14:54:02,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:54:02,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 14:54:02,904 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 14:54:02,908 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 14:54:02,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:54:01" (1/3) ...
[2024-12-02 14:54:02,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:02, skipping insertion in model container
[2024-12-02 14:54:02,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (2/3) ...
[2024-12-02 14:54:02,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:02, skipping insertion in model container
[2024-12-02 14:54:02,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:02" (3/3) ...
[2024-12-02 14:54:02,911 INFO L128 eAbstractionObserver]: Analyzing ICFG mix004.opt.i
[2024-12-02 14:54:02,926 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 14:54:02,928 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix004.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 8 error locations.
[2024-12-02 14:54:02,928 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 14:54:02,998 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 14:54:03,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow
[2024-12-02 14:54:03,077 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events.
[2024-12-02 14:54:03,079 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 14:54:03,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 124 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-12-02 14:54:03,082 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow
[2024-12-02 14:54:03,085 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow
[2024-12-02 14:54:03,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 14:54:03,108 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;@3c174219, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 14:54:03,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-12-02 14:54:03,116 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 14:54:03,116 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-12-02 14:54:03,116 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 14:54:03,116 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 14:54:03,117 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:03,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 14:54:03,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash -815837038, now seen corresponding path program 1 times
[2024-12-02 14:54:03,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:03,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674238692]
[2024-12-02 14:54:03,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:54:03,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:03,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674238692]
[2024-12-02 14:54:03,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674238692] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:03,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:03,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 14:54:03,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203919268]
[2024-12-02 14:54:03,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:03,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:54:03,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:03,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:54:03,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:54:03,408 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52
[2024-12-02 14:54:03,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:03,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 14:54:03,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52
[2024-12-02 14:54:03,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 14:54:06,108 INFO L124 PetriNetUnfolderBase]: 15277/20542 cut-off events.
[2024-12-02 14:54:06,108 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES.
[2024-12-02 14:54:06,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41332 conditions, 20542 events. 15277/20542 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 1869. Compared 136532 event pairs, 7263 based on Foata normal form. 0/14348 useless extension candidates. Maximal degree in co-relation 41320. Up to 20417 conditions per place.
[2024-12-02 14:54:06,232 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 45 selfloop transitions, 5 changer transitions 0/66 dead transitions.
[2024-12-02 14:54:06,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 253 flow
[2024-12-02 14:54:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:54:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 14:54:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions.
[2024-12-02 14:54:06,244 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7564102564102564
[2024-12-02 14:54:06,245 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 118 transitions.
[2024-12-02 14:54:06,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 253 flow
[2024-12-02 14:54:06,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-12-02 14:54:06,253 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow
[2024-12-02 14:54:06,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52}
[2024-12-02 14:54:06,257 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places.
[2024-12-02 14:54:06,258 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow
[2024-12-02 14:54:06,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:06,258 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 14:54:06,258 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:06,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 14:54:06,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 14:54:06,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash 840438058, now seen corresponding path program 1 times
[2024-12-02 14:54:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094431023]
[2024-12-02 14:54:06,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:54:06,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:06,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094431023]
[2024-12-02 14:54:06,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094431023] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:06,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:06,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 14:54:06,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658673217]
[2024-12-02 14:54:06,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:54:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:06,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:54:06,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:54:06,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52
[2024-12-02 14:54:06,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:06,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 14:54:06,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52
[2024-12-02 14:54:06,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 14:54:07,695 INFO L124 PetriNetUnfolderBase]: 7641/10386 cut-off events.
[2024-12-02 14:54:07,695 INFO L125 PetriNetUnfolderBase]: For 888/888 co-relation queries the response was YES.
[2024-12-02 14:54:07,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25147 conditions, 10386 events. 7641/10386 cut-off events. For 888/888 co-relation queries the response was YES. Maximal size of possible extension queue 844. Compared 64505 event pairs, 3143 based on Foata normal form. 0/8388 useless extension candidates. Maximal degree in co-relation 25136. Up to 10260 conditions per place.
[2024-12-02 14:54:07,772 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 41 selfloop transitions, 5 changer transitions 0/62 dead transitions.
[2024-12-02 14:54:07,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 62 transitions, 261 flow
[2024-12-02 14:54:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:54:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 14:54:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions.
[2024-12-02 14:54:07,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625
[2024-12-02 14:54:07,774 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 130 transitions.
[2024-12-02 14:54:07,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 62 transitions, 261 flow
[2024-12-02 14:54:07,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 14:54:07,776 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow
[2024-12-02 14:54:07,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48}
[2024-12-02 14:54:07,777 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2024-12-02 14:54:07,777 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow
[2024-12-02 14:54:07,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:07,777 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 14:54:07,777 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:07,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 14:54:07,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 14:54:07,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash 840438059, now seen corresponding path program 1 times
[2024-12-02 14:54:07,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:07,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579588131]
[2024-12-02 14:54:07,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:07,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:54:07,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:07,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579588131]
[2024-12-02 14:54:07,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579588131] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:07,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:07,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 14:54:07,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955594107]
[2024-12-02 14:54:07,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:07,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:54:07,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:07,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:54:07,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:54:07,860 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52
[2024-12-02 14:54:07,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:07,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 14:54:07,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52
[2024-12-02 14:54:07,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 14:54:08,478 INFO L124 PetriNetUnfolderBase]: 5209/7202 cut-off events.
[2024-12-02 14:54:08,479 INFO L125 PetriNetUnfolderBase]: For 968/968 co-relation queries the response was YES.
[2024-12-02 14:54:08,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17020 conditions, 7202 events. 5209/7202 cut-off events. For 968/968 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 42421 event pairs, 1005 based on Foata normal form. 0/6288 useless extension candidates. Maximal degree in co-relation 17008. Up to 6369 conditions per place.
[2024-12-02 14:54:08,505 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 57 selfloop transitions, 9 changer transitions 0/82 dead transitions.
[2024-12-02 14:54:08,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 82 transitions, 358 flow
[2024-12-02 14:54:08,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:54:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 14:54:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions.
[2024-12-02 14:54:08,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7211538461538461
[2024-12-02 14:54:08,506 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 150 transitions.
[2024-12-02 14:54:08,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 82 transitions, 358 flow
[2024-12-02 14:54:08,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 82 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 14:54:08,509 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow
[2024-12-02 14:54:08,509 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52}
[2024-12-02 14:54:08,509 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places.
[2024-12-02 14:54:08,510 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow
[2024-12-02 14:54:08,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:08,510 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 14:54:08,510 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:08,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 14:54:08,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 14:54:08,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2070611282, now seen corresponding path program 1 times
[2024-12-02 14:54:08,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:08,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988992972]
[2024-12-02 14:54:08,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:54:08,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:08,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988992972]
[2024-12-02 14:54:08,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988992972] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:08,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:08,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:54:08,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653198836]
[2024-12-02 14:54:08,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:08,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 14:54:08,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:08,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 14:54:08,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:54:08,648 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52
[2024-12-02 14:54:08,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:08,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 14:54:08,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52
[2024-12-02 14:54:08,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 14:54:09,151 INFO L124 PetriNetUnfolderBase]: 3481/4850 cut-off events.
[2024-12-02 14:54:09,151 INFO L125 PetriNetUnfolderBase]: For 2424/2424 co-relation queries the response was YES.
[2024-12-02 14:54:09,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13179 conditions, 4850 events. 3481/4850 cut-off events. For 2424/2424 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 26933 event pairs, 165 based on Foata normal form. 0/4680 useless extension candidates. Maximal degree in co-relation 13166. Up to 2353 conditions per place.
[2024-12-02 14:54:09,167 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 67 selfloop transitions, 13 changer transitions 4/100 dead transitions.
[2024-12-02 14:54:09,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 100 transitions, 484 flow
[2024-12-02 14:54:09,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 14:54:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 14:54:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions.
[2024-12-02 14:54:09,168 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7230769230769231
[2024-12-02 14:54:09,169 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 188 transitions.
[2024-12-02 14:54:09,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 100 transitions, 484 flow
[2024-12-02 14:54:09,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 100 transitions, 466 flow, removed 4 selfloop flow, removed 2 redundant places.
[2024-12-02 14:54:09,172 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow
[2024-12-02 14:54:09,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52}
[2024-12-02 14:54:09,172 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places.
[2024-12-02 14:54:09,172 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow
[2024-12-02 14:54:09,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:09,173 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 14:54:09,173 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:54:09,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 14:54:09,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 14:54:09,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:54:09,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1532114978, now seen corresponding path program 1 times
[2024-12-02 14:54:09,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:54:09,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236961559]
[2024-12-02 14:54:09,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:54:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:54:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:54:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:54:09,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:54:09,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236961559]
[2024-12-02 14:54:09,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236961559] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:54:09,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:54:09,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:54:09,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107672827]
[2024-12-02 14:54:09,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:54:09,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:54:09,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:54:09,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:54:09,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:54:09,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52
[2024-12-02 14:54:09,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:09,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 14:54:09,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52
[2024-12-02 14:54:09,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 14:54:09,819 INFO L124 PetriNetUnfolderBase]: 2809/3938 cut-off events.
[2024-12-02 14:54:09,819 INFO L125 PetriNetUnfolderBase]: For 4592/4592 co-relation queries the response was YES.
[2024-12-02 14:54:09,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11390 conditions, 3938 events. 2809/3938 cut-off events. For 4592/4592 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 22080 event pairs, 45 based on Foata normal form. 160/4088 useless extension candidates. Maximal degree in co-relation 11376. Up to 1664 conditions per place.
[2024-12-02 14:54:09,826 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions.
[2024-12-02 14:54:09,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 92 transitions, 436 flow
[2024-12-02 14:54:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 14:54:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 14:54:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 200 transitions.
[2024-12-02 14:54:09,827 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410256410256411
[2024-12-02 14:54:09,827 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 200 transitions.
[2024-12-02 14:54:09,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 92 transitions, 436 flow
[2024-12-02 14:54:09,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 92 transitions, 381 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-12-02 14:54:09,850 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow
[2024-12-02 14:54:09,850 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0}
[2024-12-02 14:54:09,851 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2024-12-02 14:54:09,851 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow
[2024-12-02 14:54:09,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:54:09,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2024-12-02 14:54:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2024-12-02 14:54:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2024-12-02 14:54:09,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 14:54:09,855 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 14:54:09,861 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 14:54:09,861 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 14:54:09,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:54:09 BasicIcfg
[2024-12-02 14:54:09,866 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 14:54:09,866 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 14:54:09,867 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 14:54:09,867 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 14:54:09,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:02" (3/4) ...
[2024-12-02 14:54:09,869 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 14:54:09,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-12-02 14:54:09,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-12-02 14:54:09,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-12-02 14:54:09,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2024-12-02 14:54:09,875 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges
[2024-12-02 14:54:09,876 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-12-02 14:54:09,876 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 14:54:09,876 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-02 14:54:09,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 14:54:09,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 14:54:09,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 14:54:09,943 INFO L158 Benchmark]: Toolchain (without parser) took 8339.53ms. Allocated memory was 117.4MB in the beginning and 771.8MB in the end (delta: 654.3MB). Free memory was 90.7MB in the beginning and 530.1MB in the end (delta: -439.4MB). Peak memory consumption was 216.5MB. Max. memory is 16.1GB.
[2024-12-02 14:54:09,943 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:54:09,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.30ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 66.7MB in the end (delta: 24.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 14:54:09,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:54:09,944 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:54:09,944 INFO L158 Benchmark]: RCFGBuilder took 736.05ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 53.8MB in the end (delta: 6.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB.
[2024-12-02 14:54:09,944 INFO L158 Benchmark]: TraceAbstraction took 6961.73ms. Allocated memory was 117.4MB in the beginning and 771.8MB in the end (delta: 654.3MB). Free memory was 53.2MB in the beginning and 534.4MB in the end (delta: -481.1MB). Peak memory consumption was 546.8MB. Max. memory is 16.1GB.
[2024-12-02 14:54:09,945 INFO L158 Benchmark]: Witness Printer took 75.71ms. Allocated memory is still 771.8MB. Free memory was 534.4MB in the beginning and 530.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:54:09,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 473.30ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 66.7MB in the end (delta: 24.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.38ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.67ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 736.05ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 53.8MB in the end (delta: 6.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 6961.73ms. Allocated memory was 117.4MB in the beginning and 771.8MB in the end (delta: 654.3MB). Free memory was 53.2MB in the beginning and 534.4MB in the end (delta: -481.1MB). Peak memory consumption was 546.8MB. Max. memory is 16.1GB.
* Witness Printer took 75.71ms. Allocated memory is still 771.8MB. Free memory was 534.4MB in the beginning and 530.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 764]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 764]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 779]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 779]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 810]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 810]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 856]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 856]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 432 IncrementalHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 432 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 14:54:09,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb99cb0-042f-4721-8f20-df67eea76a6b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE