./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 38b53e6a
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_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --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 016929a4a7ae1865ccc9d17762b9a3f4b350d2f1f075a0491feba933e4e45fac
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-38b53e6
[2022-11-25 18:07:29,284 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-25 18:07:29,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-25 18:07:29,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-25 18:07:29,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-25 18:07:29,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-25 18:07:29,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-25 18:07:29,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-25 18:07:29,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-25 18:07:29,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-25 18:07:29,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-25 18:07:29,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-25 18:07:29,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-25 18:07:29,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-25 18:07:29,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-25 18:07:29,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-25 18:07:29,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-25 18:07:29,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-25 18:07:29,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-25 18:07:29,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-25 18:07:29,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-25 18:07:29,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-25 18:07:29,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-25 18:07:29,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-25 18:07:29,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-25 18:07:29,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-25 18:07:29,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-25 18:07:29,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-25 18:07:29,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-25 18:07:29,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-25 18:07:29,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-25 18:07:29,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-25 18:07:29,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-25 18:07:29,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-25 18:07:29,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-25 18:07:29,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-25 18:07:29,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-25 18:07:29,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-25 18:07:29,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-25 18:07:29,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-25 18:07:29,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-25 18:07:29,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-25 18:07:29,464 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-25 18:07:29,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-25 18:07:29,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-25 18:07:29,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-25 18:07:29,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-25 18:07:29,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-25 18:07:29,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-25 18:07:29,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-25 18:07:29,469 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-25 18:07:29,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-25 18:07:29,470 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-25 18:07:29,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-25 18:07:29,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-25 18:07:29,471 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-25 18:07:29,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-25 18:07:29,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-25 18:07:29,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-25 18:07:29,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-25 18:07:29,473 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-25 18:07:29,473 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-25 18:07:29,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-25 18:07:29,473 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-25 18:07:29,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-25 18:07:29,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-25 18:07:29,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-25 18:07:29,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-25 18:07:29,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-25 18:07:29,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-25 18:07:29,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-25 18:07:29,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-25 18:07:29,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-25 18:07:29,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-25 18:07:29,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-25 18:07:29,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-25 18:07:29,478 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-11-25 18:07:29,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-25 18:07:29,479 INFO L138 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_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 016929a4a7ae1865ccc9d17762b9a3f4b350d2f1f075a0491feba933e4e45fac
[2022-11-25 18:07:29,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-25 18:07:29,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-25 18:07:29,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-25 18:07:29,921 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-25 18:07:29,922 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-25 18:07:29,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c
[2022-11-25 18:07:33,305 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-25 18:07:33,606 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-25 18:07:33,607 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/sv-benchmarks/c/weaver/chl-match-symm.wvr.c
[2022-11-25 18:07:33,617 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/data/ea570a689/3e5cc2909a2141ca852107e139d7b4ae/FLAGebebcea19
[2022-11-25 18:07:33,643 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/data/ea570a689/3e5cc2909a2141ca852107e139d7b4ae
[2022-11-25 18:07:33,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-25 18:07:33,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-25 18:07:33,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-25 18:07:33,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-25 18:07:33,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-25 18:07:33,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:33" (1/1) ...
[2022-11-25 18:07:33,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5014150c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:33, skipping insertion in model container
[2022-11-25 18:07:33,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:33" (1/1) ...
[2022-11-25 18:07:33,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-25 18:07:33,713 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-25 18:07:34,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2584,2597]
[2022-11-25 18:07:34,013 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-25 18:07:34,025 INFO L203 MainTranslator]: Completed pre-run
[2022-11-25 18:07:34,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2584,2597]
[2022-11-25 18:07:34,057 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-25 18:07:34,074 INFO L208 MainTranslator]: Completed translation
[2022-11-25 18:07:34,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34 WrapperNode
[2022-11-25 18:07:34,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-25 18:07:34,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-25 18:07:34,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-25 18:07:34,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-25 18:07:34,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,132 INFO L138 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 204
[2022-11-25 18:07:34,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-25 18:07:34,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-25 18:07:34,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-25 18:07:34,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-25 18:07:34,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-25 18:07:34,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-25 18:07:34,170 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-25 18:07:34,171 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-25 18:07:34,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (1/1) ...
[2022-11-25 18:07:34,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-25 18:07:34,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 18:07:34,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-25 18:07:34,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-25 18:07:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-25 18:07:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-25 18:07:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-25 18:07:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-25 18:07:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-25 18:07:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-25 18:07:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-25 18:07:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-25 18:07:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-25 18:07:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-25 18:07:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-25 18:07:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-25 18:07:34,275 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-25 18:07:34,409 INFO L235 CfgBuilder]: Building ICFG
[2022-11-25 18:07:34,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-25 18:07:34,981 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-25 18:07:34,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-25 18:07:34,993 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-25 18:07:34,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:34 BoogieIcfgContainer
[2022-11-25 18:07:34,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-25 18:07:34,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-25 18:07:34,999 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-25 18:07:35,003 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-25 18:07:35,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:07:33" (1/3) ...
[2022-11-25 18:07:35,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7eb07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:07:35, skipping insertion in model container
[2022-11-25 18:07:35,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:34" (2/3) ...
[2022-11-25 18:07:35,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7eb07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:07:35, skipping insertion in model container
[2022-11-25 18:07:35,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:34" (3/3) ...
[2022-11-25 18:07:35,007 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c
[2022-11-25 18:07:35,016 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-25 18:07:35,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-25 18:07:35,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations.
[2022-11-25 18:07:35,028 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-25 18:07:35,198 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-11-25 18:07:35,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 299 transitions, 614 flow
[2022-11-25 18:07:35,403 INFO L130 PetriNetUnfolder]: 19/297 cut-off events.
[2022-11-25 18:07:35,403 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-11-25 18:07:35,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 297 events. 19/297 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 418 event pairs, 0 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place.
[2022-11-25 18:07:35,420 INFO L82 GeneralOperation]: Start removeDead. Operand has 287 places, 299 transitions, 614 flow
[2022-11-25 18:07:35,432 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 253 places, 262 transitions, 533 flow
[2022-11-25 18:07:35,436 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-25 18:07:35,463 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 262 transitions, 533 flow
[2022-11-25 18:07:35,467 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 262 transitions, 533 flow
[2022-11-25 18:07:35,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 262 transitions, 533 flow
[2022-11-25 18:07:35,571 INFO L130 PetriNetUnfolder]: 16/262 cut-off events.
[2022-11-25 18:07:35,576 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-11-25 18:07:35,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 262 events. 16/262 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 413 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place.
[2022-11-25 18:07:35,602 INFO L119 LiptonReduction]: Number of co-enabled transitions 24308
[2022-11-25 18:08:10,351 INFO L134 LiptonReduction]: Checked pairs total: 23441
[2022-11-25 18:08:10,351 INFO L136 LiptonReduction]: Total number of compositions: 369
[2022-11-25 18:08:10,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-25 18:08:10,378 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@67beb503, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-25 18:08:10,379 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations.
[2022-11-25 18:08:10,382 INFO L130 PetriNetUnfolder]: 0/3 cut-off events.
[2022-11-25 18:08:10,383 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:10,383 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:10,384 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:10,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1238511, now seen corresponding path program 1 times
[2022-11-25 18:08:10,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:10,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906771273]
[2022-11-25 18:08:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:10,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:10,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:10,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906771273]
[2022-11-25 18:08:10,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906771273] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:10,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:10,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:10,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651561745]
[2022-11-25 18:08:10,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:10,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:10,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:10,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:10,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:10,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:10,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:10,816 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:10,817 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:10,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:11,100 INFO L130 PetriNetUnfolder]: 240/439 cut-off events.
[2022-11-25 18:08:11,100 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES.
[2022-11-25 18:08:11,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 439 events. 240/439 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2100 event pairs, 240 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 824. Up to 439 conditions per place.
[2022-11-25 18:08:11,107 INFO L137 encePairwiseOnDemand]: 657/668 looper letters, 22 selfloop transitions, 1 changer transitions 0/23 dead transitions.
[2022-11-25 18:08:11,107 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 23 transitions, 101 flow
[2022-11-25 18:08:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 876 transitions.
[2022-11-25 18:08:11,137 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.437125748502994
[2022-11-25 18:08:11,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 876 transitions.
[2022-11-25 18:08:11,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 876 transitions.
[2022-11-25 18:08:11,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:11,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 876 transitions.
[2022-11-25 18:08:11,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.0) internal successors, (876), 3 states have internal predecessors, (876), 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)
[2022-11-25 18:08:11,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:11,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:11,168 INFO L175 Difference]: Start difference. First operand has 40 places, 33 transitions, 75 flow. Second operand 3 states and 876 transitions.
[2022-11-25 18:08:11,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 23 transitions, 101 flow
[2022-11-25 18:08:11,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 23 transitions, 96 flow, removed 0 selfloop flow, removed 3 redundant places.
[2022-11-25 18:08:11,179 INFO L231 Difference]: Finished difference. Result has 29 places, 23 transitions, 52 flow
[2022-11-25 18:08:11,181 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=29, PETRI_TRANSITIONS=23}
[2022-11-25 18:08:11,190 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -11 predicate places.
[2022-11-25 18:08:11,191 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 23 transitions, 52 flow
[2022-11-25 18:08:11,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:11,192 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:11,192 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:11,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-25 18:08:11,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:11,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1238589, now seen corresponding path program 1 times
[2022-11-25 18:08:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:11,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122829058]
[2022-11-25 18:08:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:11,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:11,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122829058]
[2022-11-25 18:08:11,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122829058] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:11,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:11,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:11,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698747415]
[2022-11-25 18:08:11,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:11,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:11,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:11,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:11,361 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:11,362 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:11,363 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:11,363 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:11,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:11,533 INFO L130 PetriNetUnfolder]: 189/350 cut-off events.
[2022-11-25 18:08:11,533 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:11,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 350 events. 189/350 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 1577 event pairs, 189 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 715. Up to 350 conditions per place.
[2022-11-25 18:08:11,535 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 20 selfloop transitions, 1 changer transitions 0/21 dead transitions.
[2022-11-25 18:08:11,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 90 flow
[2022-11-25 18:08:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 866 transitions.
[2022-11-25 18:08:11,539 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43213572854291415
[2022-11-25 18:08:11,539 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 866 transitions.
[2022-11-25 18:08:11,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 866 transitions.
[2022-11-25 18:08:11,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:11,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 866 transitions.
[2022-11-25 18:08:11,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 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)
[2022-11-25 18:08:11,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:11,549 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:11,549 INFO L175 Difference]: Start difference. First operand has 29 places, 23 transitions, 52 flow. Second operand 3 states and 866 transitions.
[2022-11-25 18:08:11,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 90 flow
[2022-11-25 18:08:11,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 21 transitions, 89 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:11,551 INFO L231 Difference]: Finished difference. Result has 28 places, 21 transitions, 49 flow
[2022-11-25 18:08:11,551 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=28, PETRI_TRANSITIONS=21}
[2022-11-25 18:08:11,552 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -12 predicate places.
[2022-11-25 18:08:11,553 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 49 flow
[2022-11-25 18:08:11,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:11,554 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:11,554 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:11,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-25 18:08:11,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:11,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:11,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1238569, now seen corresponding path program 1 times
[2022-11-25 18:08:11,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:11,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846037475]
[2022-11-25 18:08:11,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:11,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:11,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846037475]
[2022-11-25 18:08:11,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846037475] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:11,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:11,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:11,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727045148]
[2022-11-25 18:08:11,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:11,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:11,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:11,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:11,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:11,693 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:11,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:11,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:11,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:11,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:11,849 INFO L130 PetriNetUnfolder]: 144/271 cut-off events.
[2022-11-25 18:08:11,849 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:11,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 271 events. 144/271 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1142 event pairs, 144 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 555. Up to 271 conditions per place.
[2022-11-25 18:08:11,851 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 18 selfloop transitions, 1 changer transitions 0/19 dead transitions.
[2022-11-25 18:08:11,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 83 flow
[2022-11-25 18:08:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 864 transitions.
[2022-11-25 18:08:11,855 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4311377245508982
[2022-11-25 18:08:11,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 864 transitions.
[2022-11-25 18:08:11,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 864 transitions.
[2022-11-25 18:08:11,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:11,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 864 transitions.
[2022-11-25 18:08:11,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 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)
[2022-11-25 18:08:11,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:11,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:11,864 INFO L175 Difference]: Start difference. First operand has 28 places, 21 transitions, 49 flow. Second operand 3 states and 864 transitions.
[2022-11-25 18:08:11,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 83 flow
[2022-11-25 18:08:11,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 19 transitions, 82 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:11,866 INFO L231 Difference]: Finished difference. Result has 27 places, 19 transitions, 46 flow
[2022-11-25 18:08:11,866 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=27, PETRI_TRANSITIONS=19}
[2022-11-25 18:08:11,867 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -13 predicate places.
[2022-11-25 18:08:11,868 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 19 transitions, 46 flow
[2022-11-25 18:08:11,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:11,869 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:11,869 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:11,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-25 18:08:11,870 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:11,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:11,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1238573, now seen corresponding path program 1 times
[2022-11-25 18:08:11,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:11,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953998953]
[2022-11-25 18:08:11,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:11,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:12,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:12,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953998953]
[2022-11-25 18:08:12,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953998953] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:12,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:12,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:12,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161409350]
[2022-11-25 18:08:12,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:12,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:12,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:12,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:12,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:12,052 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:12,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 19 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,054 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:12,054 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:12,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:12,184 INFO L130 PetriNetUnfolder]: 105/202 cut-off events.
[2022-11-25 18:08:12,184 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:12,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 202 events. 105/202 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 788 event pairs, 105 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 415. Up to 202 conditions per place.
[2022-11-25 18:08:12,186 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 16 selfloop transitions, 1 changer transitions 0/17 dead transitions.
[2022-11-25 18:08:12,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 17 transitions, 76 flow
[2022-11-25 18:08:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 862 transitions.
[2022-11-25 18:08:12,189 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4301397205588822
[2022-11-25 18:08:12,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 862 transitions.
[2022-11-25 18:08:12,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 862 transitions.
[2022-11-25 18:08:12,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:12,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 862 transitions.
[2022-11-25 18:08:12,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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)
[2022-11-25 18:08:12,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,200 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,200 INFO L175 Difference]: Start difference. First operand has 27 places, 19 transitions, 46 flow. Second operand 3 states and 862 transitions.
[2022-11-25 18:08:12,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 17 transitions, 76 flow
[2022-11-25 18:08:12,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 17 transitions, 75 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:12,201 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 43 flow
[2022-11-25 18:08:12,202 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=26, PETRI_TRANSITIONS=17}
[2022-11-25 18:08:12,202 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -14 predicate places.
[2022-11-25 18:08:12,203 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 43 flow
[2022-11-25 18:08:12,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,204 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:12,204 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:12,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-25 18:08:12,204 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:12,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1238570, now seen corresponding path program 1 times
[2022-11-25 18:08:12,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:12,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357353391]
[2022-11-25 18:08:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:12,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:12,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:12,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357353391]
[2022-11-25 18:08:12,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357353391] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:12,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:12,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:12,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966215709]
[2022-11-25 18:08:12,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:12,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:12,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:12,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:12,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:12,272 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:12,273 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,273 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:12,273 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:12,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:12,367 INFO L130 PetriNetUnfolder]: 72/143 cut-off events.
[2022-11-25 18:08:12,367 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:12,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 143 events. 72/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 498 event pairs, 72 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 295. Up to 143 conditions per place.
[2022-11-25 18:08:12,369 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 14 selfloop transitions, 1 changer transitions 0/15 dead transitions.
[2022-11-25 18:08:12,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 15 transitions, 69 flow
[2022-11-25 18:08:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions.
[2022-11-25 18:08:12,372 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4291417165668663
[2022-11-25 18:08:12,372 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions.
[2022-11-25 18:08:12,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions.
[2022-11-25 18:08:12,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:12,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions.
[2022-11-25 18:08:12,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 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)
[2022-11-25 18:08:12,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,382 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 43 flow. Second operand 3 states and 860 transitions.
[2022-11-25 18:08:12,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 15 transitions, 69 flow
[2022-11-25 18:08:12,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 15 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:12,383 INFO L231 Difference]: Finished difference. Result has 25 places, 15 transitions, 40 flow
[2022-11-25 18:08:12,384 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=25, PETRI_TRANSITIONS=15}
[2022-11-25 18:08:12,387 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -15 predicate places.
[2022-11-25 18:08:12,388 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 15 transitions, 40 flow
[2022-11-25 18:08:12,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,389 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:12,389 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:12,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-25 18:08:12,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:12,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:12,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1238574, now seen corresponding path program 1 times
[2022-11-25 18:08:12,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:12,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568190778]
[2022-11-25 18:08:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:12,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:12,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:12,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568190778]
[2022-11-25 18:08:12,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568190778] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:12,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:12,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:12,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794253276]
[2022-11-25 18:08:12,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:12,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:12,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:12,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:12,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:12,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:12,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 15 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:12,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:12,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:12,568 INFO L130 PetriNetUnfolder]: 45/94 cut-off events.
[2022-11-25 18:08:12,568 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:12,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 94 events. 45/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 279 event pairs, 45 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 195. Up to 94 conditions per place.
[2022-11-25 18:08:12,569 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 12 selfloop transitions, 1 changer transitions 0/13 dead transitions.
[2022-11-25 18:08:12,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 13 transitions, 62 flow
[2022-11-25 18:08:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 858 transitions.
[2022-11-25 18:08:12,572 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4281437125748503
[2022-11-25 18:08:12,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 858 transitions.
[2022-11-25 18:08:12,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 858 transitions.
[2022-11-25 18:08:12,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:12,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 858 transitions.
[2022-11-25 18:08:12,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 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)
[2022-11-25 18:08:12,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,582 INFO L175 Difference]: Start difference. First operand has 25 places, 15 transitions, 40 flow. Second operand 3 states and 858 transitions.
[2022-11-25 18:08:12,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 13 transitions, 62 flow
[2022-11-25 18:08:12,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 13 transitions, 61 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:12,583 INFO L231 Difference]: Finished difference. Result has 24 places, 13 transitions, 37 flow
[2022-11-25 18:08:12,584 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=35, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=24, PETRI_TRANSITIONS=13}
[2022-11-25 18:08:12,587 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -16 predicate places.
[2022-11-25 18:08:12,587 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 13 transitions, 37 flow
[2022-11-25 18:08:12,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,589 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:12,589 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:12,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-25 18:08:12,589 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:12,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:12,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1238588, now seen corresponding path program 1 times
[2022-11-25 18:08:12,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:12,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811132716]
[2022-11-25 18:08:12,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:12,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:12,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:12,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811132716]
[2022-11-25 18:08:12,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811132716] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:12,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:12,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322751993]
[2022-11-25 18:08:12,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:12,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:12,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:12,669 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:12,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 13 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,670 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:12,670 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:12,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:12,740 INFO L130 PetriNetUnfolder]: 24/55 cut-off events.
[2022-11-25 18:08:12,740 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:12,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 55 events. 24/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 122 event pairs, 24 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 115. Up to 55 conditions per place.
[2022-11-25 18:08:12,741 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 10 selfloop transitions, 1 changer transitions 0/11 dead transitions.
[2022-11-25 18:08:12,741 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 11 transitions, 55 flow
[2022-11-25 18:08:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions.
[2022-11-25 18:08:12,744 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42714570858283435
[2022-11-25 18:08:12,744 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions.
[2022-11-25 18:08:12,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions.
[2022-11-25 18:08:12,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:12,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions.
[2022-11-25 18:08:12,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 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)
[2022-11-25 18:08:12,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,753 INFO L175 Difference]: Start difference. First operand has 24 places, 13 transitions, 37 flow. Second operand 3 states and 856 transitions.
[2022-11-25 18:08:12,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 11 transitions, 55 flow
[2022-11-25 18:08:12,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 11 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:12,754 INFO L231 Difference]: Finished difference. Result has 23 places, 11 transitions, 34 flow
[2022-11-25 18:08:12,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=34, PETRI_PLACES=23, PETRI_TRANSITIONS=11}
[2022-11-25 18:08:12,755 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -17 predicate places.
[2022-11-25 18:08:12,755 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 11 transitions, 34 flow
[2022-11-25 18:08:12,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,756 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-25 18:08:12,756 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-11-25 18:08:12,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-25 18:08:12,756 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] ===
[2022-11-25 18:08:12,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 18:08:12,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1238590, now seen corresponding path program 1 times
[2022-11-25 18:08:12,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 18:08:12,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845470073]
[2022-11-25 18:08:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 18:08:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 18:08:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 18:08:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 18:08:12,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 18:08:12,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845470073]
[2022-11-25 18:08:12,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845470073] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 18:08:12,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 18:08:12,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-25 18:08:12,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239341225]
[2022-11-25 18:08:12,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 18:08:12,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 18:08:12,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 18:08:12,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 18:08:12,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 18:08:12,876 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 668
[2022-11-25 18:08:12,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 11 transitions, 34 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,877 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-25 18:08:12,877 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 668
[2022-11-25 18:08:12,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-25 18:08:12,915 INFO L130 PetriNetUnfolder]: 9/26 cut-off events.
[2022-11-25 18:08:12,915 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-25 18:08:12,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 26 events. 9/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 9 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 55. Up to 26 conditions per place.
[2022-11-25 18:08:12,916 INFO L137 encePairwiseOnDemand]: 665/668 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions.
[2022-11-25 18:08:12,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 9 transitions, 48 flow
[2022-11-25 18:08:12,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 18:08:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-25 18:08:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions.
[2022-11-25 18:08:12,919 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42614770459081835
[2022-11-25 18:08:12,919 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 854 transitions.
[2022-11-25 18:08:12,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 854 transitions.
[2022-11-25 18:08:12,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-25 18:08:12,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 854 transitions.
[2022-11-25 18:08:12,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 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)
[2022-11-25 18:08:12,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,927 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 668.0) internal successors, (2672), 4 states have internal predecessors, (2672), 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)
[2022-11-25 18:08:12,927 INFO L175 Difference]: Start difference. First operand has 23 places, 11 transitions, 34 flow. Second operand 3 states and 854 transitions.
[2022-11-25 18:08:12,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 9 transitions, 48 flow
[2022-11-25 18:08:12,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 9 transitions, 47 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-25 18:08:12,928 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow
[2022-11-25 18:08:12,928 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=668, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0}
[2022-11-25 18:08:12,929 INFO L288 CegarLoopForPetriNet]: 40 programPoint places, -18 predicate places.
[2022-11-25 18:08:12,929 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow
[2022-11-25 18:08:12,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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)
[2022-11-25 18:08:12,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining)
[2022-11-25 18:08:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining)
[2022-11-25 18:08:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining)
[2022-11-25 18:08:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining)
[2022-11-25 18:08:12,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining)
[2022-11-25 18:08:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining)
[2022-11-25 18:08:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining)
[2022-11-25 18:08:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining)
[2022-11-25 18:08:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining)
[2022-11-25 18:08:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining)
[2022-11-25 18:08:12,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining)
[2022-11-25 18:08:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining)
[2022-11-25 18:08:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining)
[2022-11-25 18:08:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining)
[2022-11-25 18:08:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining)
[2022-11-25 18:08:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining)
[2022-11-25 18:08:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining)
[2022-11-25 18:08:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining)
[2022-11-25 18:08:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining)
[2022-11-25 18:08:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining)
[2022-11-25 18:08:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining)
[2022-11-25 18:08:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining)
[2022-11-25 18:08:12,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining)
[2022-11-25 18:08:12,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining)
[2022-11-25 18:08:12,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining)
[2022-11-25 18:08:12,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining)
[2022-11-25 18:08:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining)
[2022-11-25 18:08:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining)
[2022-11-25 18:08:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining)
[2022-11-25 18:08:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining)
[2022-11-25 18:08:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining)
[2022-11-25 18:08:12,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining)
[2022-11-25 18:08:12,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-25 18:08:12,941 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 18:08:12,947 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-25 18:08:12,948 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-25 18:08:12,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:08:12 BasicIcfg
[2022-11-25 18:08:12,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-25 18:08:12,952 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-25 18:08:12,952 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-25 18:08:12,953 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-25 18:08:12,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:34" (3/4) ...
[2022-11-25 18:08:12,956 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-25 18:08:12,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-11-25 18:08:12,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-11-25 18:08:12,969 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2022-11-25 18:08:12,969 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-25 18:08:12,969 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-25 18:08:12,969 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-25 18:08:13,016 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/witness.graphml
[2022-11-25 18:08:13,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-25 18:08:13,018 INFO L158 Benchmark]: Toolchain (without parser) took 39368.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 115.1MB in the beginning and 95.2MB in the end (delta: 19.9MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,018 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-25 18:08:13,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.98ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 103.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.84ms. Allocated memory is still 159.4MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,019 INFO L158 Benchmark]: Boogie Preprocessor took 35.29ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,020 INFO L158 Benchmark]: RCFGBuilder took 826.08ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 77.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,020 INFO L158 Benchmark]: TraceAbstraction took 37952.79ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 76.8MB in the beginning and 97.3MB in the end (delta: -20.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,021 INFO L158 Benchmark]: Witness Printer took 64.54ms. Allocated memory is still 192.9MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 18:08:13,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 421.98ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 103.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 56.84ms. Allocated memory is still 159.4MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.29ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 826.08ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 77.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 37952.79ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 76.8MB in the beginning and 97.3MB in the end (delta: -20.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB.
* Witness Printer took 64.54ms. Allocated memory is still 192.9MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 34.9s, 253 PlacesBefore, 40 PlacesAfterwards, 262 TransitionsBefore, 33 TransitionsAfterwards, 24308 CoEnabledTransitionPairs, 10 FixpointIterations, 42 TrivialSequentialCompositions, 266 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 45 ConcurrentYvCompositions, 16 ChoiceCompositions, 369 TotalNumberOfCompositions, 23441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23441, independent: 23441, independent conditional: 0, independent unconditional: 23441, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16877, independent: 16877, independent conditional: 0, independent unconditional: 16877, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16877, independent: 16877, independent conditional: 0, independent unconditional: 16877, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23441, independent: 6564, independent conditional: 0, independent unconditional: 6564, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 16877, unknown conditional: 0, unknown unconditional: 16877] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 83]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 84]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 85]: 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 5 procedures, 475 locations, 50 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: 37.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 35.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 11 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.8s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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
- AllSpecificationsHoldResult: All specifications hold
24 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-25 18:08:13,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da66a51-f54f-4c02-abd9-adbca79c320e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE