./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-sre-subst.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
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_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f15efb4f8a286b7a1ad39e3d0e5f0f11fbc70672e37c5d5b49fafb43ac86a5c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:40:41,039 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:40:41,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:40:41,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:40:41,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:40:41,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:40:41,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:40:41,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:40:41,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:40:41,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:40:41,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:40:41,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:40:41,234 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:40:41,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:40:41,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:40:41,237 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:40:41,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:40:41,238 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:40:41,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:40:41,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:40:41,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:40:41,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:40:41,241 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:40:41,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:40:41,242 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:40:41,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:40:41,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:40:41,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:40:41,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:40:41,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:40:41,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:40:41,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:40:41,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:40:41,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:40:41,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:40:41,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:40:41,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:40:41,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:40:41,249 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:40:41,249 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f15efb4f8a286b7a1ad39e3d0e5f0f11fbc70672e37c5d5b49fafb43ac86a5c
[2023-11-19 07:40:41,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:40:41,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:40:41,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:40:41,621 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:40:41,621 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:40:41,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-sre-subst.wvr.c
[2023-11-19 07:40:44,828 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:40:45,035 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:40:45,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c
[2023-11-19 07:40:45,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/data/b0ad57b60/42abea7422a244c7975c578affd62df2/FLAGb5be5ba72
[2023-11-19 07:40:45,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/data/b0ad57b60/42abea7422a244c7975c578affd62df2
[2023-11-19 07:40:45,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:40:45,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:40:45,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:40:45,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:40:45,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:40:45,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ec8766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45, skipping insertion in model container
[2023-11-19 07:40:45,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,100 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:40:45,290 WARN L240 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_95b34321-a1b9-4e68-af94-90ef79663b7d/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c[2372,2385]
[2023-11-19 07:40:45,296 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:40:45,307 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:40:45,330 WARN L240 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_95b34321-a1b9-4e68-af94-90ef79663b7d/sv-benchmarks/c/weaver/chl-sre-subst.wvr.c[2372,2385]
[2023-11-19 07:40:45,332 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:40:45,349 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:40:45,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45 WrapperNode
[2023-11-19 07:40:45,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:40:45,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:40:45,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:40:45,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:40:45,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,393 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76
[2023-11-19 07:40:45,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:40:45,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:40:45,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:40:45,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:40:45,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:40:45,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:40:45,432 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:40:45,432 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:40:45,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (1/1) ...
[2023-11-19 07:40:45,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:40:45,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:45,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:40:45,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:40:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:40:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 07:40:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 07:40:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-11-19 07:40:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-19 07:40:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2023-11-19 07:40:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2023-11-19 07:40:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:40:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:40:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:40:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:40:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:40:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:40:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:40:45,529 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:40:45,691 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:40:45,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:40:45,988 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:40:46,014 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:40:46,014 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:40:46,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46 BoogieIcfgContainer
[2023-11-19 07:40:46,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:40:46,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:40:46,022 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:40:46,025 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:40:46,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:45" (1/3) ...
[2023-11-19 07:40:46,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e419a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:46, skipping insertion in model container
[2023-11-19 07:40:46,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45" (2/3) ...
[2023-11-19 07:40:46,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e419a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:46, skipping insertion in model container
[2023-11-19 07:40:46,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46" (3/3) ...
[2023-11-19 07:40:46,028 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c
[2023-11-19 07:40:46,049 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:40:46,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:40:46,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:40:46,061 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:40:46,131 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-11-19 07:40:46,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 213 flow
[2023-11-19 07:40:46,239 INFO L124 PetriNetUnfolderBase]: 2/93 cut-off events.
[2023-11-19 07:40:46,239 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-11-19 07:40:46,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 93 events. 2/93 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place.
[2023-11-19 07:40:46,244 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 96 transitions, 213 flow
[2023-11-19 07:40:46,249 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 82 transitions, 182 flow
[2023-11-19 07:40:46,253 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:40:46,272 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 82 transitions, 182 flow
[2023-11-19 07:40:46,283 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 82 transitions, 182 flow
[2023-11-19 07:40:46,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 82 transitions, 182 flow
[2023-11-19 07:40:46,320 INFO L124 PetriNetUnfolderBase]: 2/82 cut-off events.
[2023-11-19 07:40:46,320 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-11-19 07:40:46,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place.
[2023-11-19 07:40:46,322 INFO L119 LiptonReduction]: Number of co-enabled transitions 384
[2023-11-19 07:40:49,324 INFO L134 LiptonReduction]: Checked pairs total: 464
[2023-11-19 07:40:49,325 INFO L136 LiptonReduction]: Total number of compositions: 75
[2023-11-19 07:40:49,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:40:49,347 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ac3ecfd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:40:49,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 07:40:49,355 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:40:49,356 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2023-11-19 07:40:49,356 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-11-19 07:40:49,356 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:49,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:49,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-19 07:40:49,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:49,364 INFO L85 PathProgramCache]: Analyzing trace with hash 13500642, now seen corresponding path program 1 times
[2023-11-19 07:40:49,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:49,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880939028]
[2023-11-19 07:40:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:49,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:51,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:51,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880939028]
[2023-11-19 07:40:51,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880939028] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:51,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:51,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:40:51,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307805545]
[2023-11-19 07:40:51,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:51,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:51,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:51,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:51,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:40:51,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 171
[2023-11-19 07:40:51,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 50 flow. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:51,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:51,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 171
[2023-11-19 07:40:51,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:51,858 INFO L124 PetriNetUnfolderBase]: 38/100 cut-off events.
[2023-11-19 07:40:51,858 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES.
[2023-11-19 07:40:51,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 100 events. 38/100 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 282 event pairs, 2 based on Foata normal form. 1/101 useless extension candidates. Maximal degree in co-relation 169. Up to 38 conditions per place.
[2023-11-19 07:40:51,861 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 32 selfloop transitions, 6 changer transitions 7/45 dead transitions.
[2023-11-19 07:40:51,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 45 transitions, 228 flow
[2023-11-19 07:40:51,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:40:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:40:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 496 transitions.
[2023-11-19 07:40:51,880 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4834307992202729
[2023-11-19 07:40:51,881 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 496 transitions.
[2023-11-19 07:40:51,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 496 transitions.
[2023-11-19 07:40:51,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:51,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 496 transitions.
[2023-11-19 07:40:51,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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)
[2023-11-19 07:40:51,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:51,899 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:51,901 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 50 flow. Second operand 6 states and 496 transitions.
[2023-11-19 07:40:51,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 45 transitions, 228 flow
[2023-11-19 07:40:51,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 45 transitions, 196 flow, removed 0 selfloop flow, removed 6 redundant places.
[2023-11-19 07:40:51,908 INFO L231 Difference]: Finished difference. Result has 28 places, 20 transitions, 71 flow
[2023-11-19 07:40:51,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=71, PETRI_PLACES=28, PETRI_TRANSITIONS=20}
[2023-11-19 07:40:51,914 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places.
[2023-11-19 07:40:51,914 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 20 transitions, 71 flow
[2023-11-19 07:40:51,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:51,915 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:51,915 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:51,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:40:51,916 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-19 07:40:51,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:51,917 INFO L85 PathProgramCache]: Analyzing trace with hash -828902356, now seen corresponding path program 2 times
[2023-11-19 07:40:51,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:51,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628824640]
[2023-11-19 07:40:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:51,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:53,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:53,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628824640]
[2023-11-19 07:40:53,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628824640] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:53,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:53,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:40:53,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568161587]
[2023-11-19 07:40:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:53,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:53,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:53,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:53,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:40:53,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 171
[2023-11-19 07:40:53,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 20 transitions, 71 flow. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:53,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:53,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 171
[2023-11-19 07:40:53,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:53,571 INFO L124 PetriNetUnfolderBase]: 38/116 cut-off events.
[2023-11-19 07:40:53,571 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES.
[2023-11-19 07:40:53,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 116 events. 38/116 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 413 event pairs, 6 based on Foata normal form. 1/117 useless extension candidates. Maximal degree in co-relation 309. Up to 58 conditions per place.
[2023-11-19 07:40:53,573 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 30 selfloop transitions, 7 changer transitions 9/46 dead transitions.
[2023-11-19 07:40:53,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 46 transitions, 235 flow
[2023-11-19 07:40:53,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:40:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:40:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 496 transitions.
[2023-11-19 07:40:53,577 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4834307992202729
[2023-11-19 07:40:53,577 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 496 transitions.
[2023-11-19 07:40:53,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 496 transitions.
[2023-11-19 07:40:53,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:53,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 496 transitions.
[2023-11-19 07:40:53,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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)
[2023-11-19 07:40:53,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:53,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:53,584 INFO L175 Difference]: Start difference. First operand has 28 places, 20 transitions, 71 flow. Second operand 6 states and 496 transitions.
[2023-11-19 07:40:53,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 46 transitions, 235 flow
[2023-11-19 07:40:53,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 46 transitions, 231 flow, removed 2 selfloop flow, removed 1 redundant places.
[2023-11-19 07:40:53,587 INFO L231 Difference]: Finished difference. Result has 34 places, 21 transitions, 100 flow
[2023-11-19 07:40:53,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=34, PETRI_TRANSITIONS=21}
[2023-11-19 07:40:53,588 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 8 predicate places.
[2023-11-19 07:40:53,589 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 21 transitions, 100 flow
[2023-11-19 07:40:53,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:53,589 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:53,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:53,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:40:53,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-19 07:40:53,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:53,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1716350502, now seen corresponding path program 3 times
[2023-11-19 07:40:53,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:53,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646275363]
[2023-11-19 07:40:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:53,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:54,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:54,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646275363]
[2023-11-19 07:40:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646275363] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:54,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:54,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:40:54,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028908974]
[2023-11-19 07:40:54,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:54,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:54,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:54,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:54,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:40:54,777 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 171
[2023-11-19 07:40:54,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 21 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:54,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:54,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 171
[2023-11-19 07:40:54,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:55,065 INFO L124 PetriNetUnfolderBase]: 33/103 cut-off events.
[2023-11-19 07:40:55,065 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES.
[2023-11-19 07:40:55,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 103 events. 33/103 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 342 event pairs, 2 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 334. Up to 51 conditions per place.
[2023-11-19 07:40:55,067 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 27 selfloop transitions, 6 changer transitions 11/44 dead transitions.
[2023-11-19 07:40:55,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 44 transitions, 257 flow
[2023-11-19 07:40:55,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:40:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:40:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions.
[2023-11-19 07:40:55,071 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145
[2023-11-19 07:40:55,071 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 494 transitions.
[2023-11-19 07:40:55,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 494 transitions.
[2023-11-19 07:40:55,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:55,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 494 transitions.
[2023-11-19 07:40:55,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 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)
[2023-11-19 07:40:55,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:55,077 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:55,078 INFO L175 Difference]: Start difference. First operand has 34 places, 21 transitions, 100 flow. Second operand 6 states and 494 transitions.
[2023-11-19 07:40:55,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 44 transitions, 257 flow
[2023-11-19 07:40:55,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 44 transitions, 243 flow, removed 5 selfloop flow, removed 2 redundant places.
[2023-11-19 07:40:55,082 INFO L231 Difference]: Finished difference. Result has 38 places, 20 transitions, 100 flow
[2023-11-19 07:40:55,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=38, PETRI_TRANSITIONS=20}
[2023-11-19 07:40:55,083 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 12 predicate places.
[2023-11-19 07:40:55,083 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 20 transitions, 100 flow
[2023-11-19 07:40:55,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:55,084 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:55,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:55,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:40:55,085 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-19 07:40:55,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:55,085 INFO L85 PathProgramCache]: Analyzing trace with hash -84199858, now seen corresponding path program 4 times
[2023-11-19 07:40:55,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:55,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719682625]
[2023-11-19 07:40:55,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:56,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:56,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719682625]
[2023-11-19 07:40:56,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719682625] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:56,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:56,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:40:56,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644117783]
[2023-11-19 07:40:56,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:56,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:56,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:56,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:40:56,264 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 171
[2023-11-19 07:40:56,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 20 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:56,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:56,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 171
[2023-11-19 07:40:56,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:56,643 INFO L124 PetriNetUnfolderBase]: 17/59 cut-off events.
[2023-11-19 07:40:56,643 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES.
[2023-11-19 07:40:56,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 59 events. 17/59 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 1/60 useless extension candidates. Maximal degree in co-relation 205. Up to 20 conditions per place.
[2023-11-19 07:40:56,644 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 18 selfloop transitions, 5 changer transitions 13/36 dead transitions.
[2023-11-19 07:40:56,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 36 transitions, 219 flow
[2023-11-19 07:40:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:40:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:40:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 486 transitions.
[2023-11-19 07:40:56,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576
[2023-11-19 07:40:56,650 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 486 transitions.
[2023-11-19 07:40:56,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 486 transitions.
[2023-11-19 07:40:56,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:56,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 486 transitions.
[2023-11-19 07:40:56,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.0) internal successors, (486), 6 states have internal predecessors, (486), 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)
[2023-11-19 07:40:56,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:56,656 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:56,656 INFO L175 Difference]: Start difference. First operand has 38 places, 20 transitions, 100 flow. Second operand 6 states and 486 transitions.
[2023-11-19 07:40:56,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 36 transitions, 219 flow
[2023-11-19 07:40:56,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 202 flow, removed 3 selfloop flow, removed 5 redundant places.
[2023-11-19 07:40:56,660 INFO L231 Difference]: Finished difference. Result has 37 places, 18 transitions, 81 flow
[2023-11-19 07:40:56,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=81, PETRI_PLACES=37, PETRI_TRANSITIONS=18}
[2023-11-19 07:40:56,661 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 11 predicate places.
[2023-11-19 07:40:56,661 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 18 transitions, 81 flow
[2023-11-19 07:40:56,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:56,662 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:56,662 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:56,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:40:56,662 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-19 07:40:56,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1179876800, now seen corresponding path program 5 times
[2023-11-19 07:40:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:56,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603944450]
[2023-11-19 07:40:56,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:56,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:57,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603944450]
[2023-11-19 07:40:57,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603944450] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:57,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:57,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:40:57,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396345631]
[2023-11-19 07:40:57,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:57,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:57,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:40:57,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 171
[2023-11-19 07:40:57,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 18 transitions, 81 flow. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:57,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:57,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 171
[2023-11-19 07:40:57,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:58,134 INFO L124 PetriNetUnfolderBase]: 8/40 cut-off events.
[2023-11-19 07:40:58,135 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES.
[2023-11-19 07:40:58,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 40 events. 8/40 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 1/41 useless extension candidates. Maximal degree in co-relation 134. Up to 19 conditions per place.
[2023-11-19 07:40:58,136 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 15 selfloop transitions, 3 changer transitions 12/30 dead transitions.
[2023-11-19 07:40:58,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 30 transitions, 178 flow
[2023-11-19 07:40:58,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:40:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:40:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions.
[2023-11-19 07:40:58,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46881091617933723
[2023-11-19 07:40:58,139 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 481 transitions.
[2023-11-19 07:40:58,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 481 transitions.
[2023-11-19 07:40:58,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:58,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 481 transitions.
[2023-11-19 07:40:58,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 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)
[2023-11-19 07:40:58,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:58,145 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:58,145 INFO L175 Difference]: Start difference. First operand has 37 places, 18 transitions, 81 flow. Second operand 6 states and 481 transitions.
[2023-11-19 07:40:58,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 30 transitions, 178 flow
[2023-11-19 07:40:58,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 30 transitions, 144 flow, removed 4 selfloop flow, removed 9 redundant places.
[2023-11-19 07:40:58,148 INFO L231 Difference]: Finished difference. Result has 33 places, 16 transitions, 56 flow
[2023-11-19 07:40:58,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=56, PETRI_PLACES=33, PETRI_TRANSITIONS=16}
[2023-11-19 07:40:58,154 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places.
[2023-11-19 07:40:58,154 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 16 transitions, 56 flow
[2023-11-19 07:40:58,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:58,155 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:58,155 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:58,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:40:58,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2023-11-19 07:40:58,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:58,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1054230694, now seen corresponding path program 6 times
[2023-11-19 07:40:58,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:58,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244235020]
[2023-11-19 07:40:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:59,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:59,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244235020]
[2023-11-19 07:40:59,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244235020] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:59,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:59,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:40:59,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742460826]
[2023-11-19 07:40:59,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:59,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:40:59,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:59,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:40:59,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:40:59,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 171
[2023-11-19 07:40:59,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 16 transitions, 56 flow. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:59,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:59,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 171
[2023-11-19 07:40:59,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:59,522 INFO L124 PetriNetUnfolderBase]: 3/21 cut-off events.
[2023-11-19 07:40:59,523 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2023-11-19 07:40:59,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 21 events. 3/21 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 62. Up to 8 conditions per place.
[2023-11-19 07:40:59,523 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions.
[2023-11-19 07:40:59,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 18 transitions, 94 flow
[2023-11-19 07:40:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:40:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:40:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 469 transitions.
[2023-11-19 07:40:59,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4571150097465887
[2023-11-19 07:40:59,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 469 transitions.
[2023-11-19 07:40:59,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 469 transitions.
[2023-11-19 07:40:59,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:59,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 469 transitions.
[2023-11-19 07:40:59,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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)
[2023-11-19 07:40:59,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:59,532 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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)
[2023-11-19 07:40:59,533 INFO L175 Difference]: Start difference. First operand has 33 places, 16 transitions, 56 flow. Second operand 6 states and 469 transitions.
[2023-11-19 07:40:59,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 18 transitions, 94 flow
[2023-11-19 07:40:59,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 18 transitions, 82 flow, removed 1 selfloop flow, removed 6 redundant places.
[2023-11-19 07:40:59,534 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow
[2023-11-19 07:40:59,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0}
[2023-11-19 07:40:59,535 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places.
[2023-11-19 07:40:59,536 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow
[2023-11-19 07:40:59,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 5 states have internal predecessors, (391), 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)
[2023-11-19 07:40:59,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2023-11-19 07:40:59,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2023-11-19 07:40:59,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2023-11-19 07:40:59,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2023-11-19 07:40:59,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:40:59,541 INFO L445 BasicCegarLoop]: Path program histogram: [6]
[2023-11-19 07:40:59,545 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:40:59,545 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:40:59,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:59 BasicIcfg
[2023-11-19 07:40:59,549 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:40:59,550 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:40:59,550 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:40:59,550 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:40:59,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46" (3/4) ...
[2023-11-19 07:40:59,553 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:40:59,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2023-11-19 07:40:59,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2023-11-19 07:40:59,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2023-11-19 07:40:59,563 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2023-11-19 07:40:59,564 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:40:59,564 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:40:59,564 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:40:59,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:40:59,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:40:59,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:40:59,685 INFO L158 Benchmark]: Toolchain (without parser) took 14619.24ms. Allocated memory was 134.2MB in the beginning and 299.9MB in the end (delta: 165.7MB). Free memory was 87.9MB in the beginning and 134.9MB in the end (delta: -47.0MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB.
[2023-11-19 07:40:59,686 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 134.2MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:40:59,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.10ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 76.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:40:59,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.73ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:40:59,686 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 73.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:40:59,687 INFO L158 Benchmark]: RCFGBuilder took 587.17ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 141.0MB in the end (delta: -67.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB.
[2023-11-19 07:40:59,687 INFO L158 Benchmark]: TraceAbstraction took 13527.87ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 140.3MB in the beginning and 140.1MB in the end (delta: 192.2kB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB.
[2023-11-19 07:40:59,688 INFO L158 Benchmark]: Witness Printer took 134.94ms. Allocated memory is still 299.9MB. Free memory was 140.1MB in the beginning and 134.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:40:59,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.57ms. Allocated memory is still 134.2MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 283.10ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 76.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.73ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.82ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 73.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 587.17ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 141.0MB in the end (delta: -67.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 13527.87ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 140.3MB in the beginning and 140.1MB in the end (delta: 192.2kB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB.
* Witness Printer took 134.94ms. Allocated memory is still 299.9MB. Free memory was 140.1MB in the beginning and 134.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 3.0s, 90 PlacesBefore, 26 PlacesAfterwards, 82 TransitionsBefore, 16 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 75 TotalNumberOfCompositions, 464 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 464, independent: 464, independent conditional: 0, independent unconditional: 464, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 219, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 464, independent: 245, independent conditional: 0, independent unconditional: 245, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 219, unknown conditional: 0, unknown unconditional: 219] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, 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: 77]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 113 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 703 IncrementalHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 15 mSDtfsCounter, 703 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=2, InterpolantAutomatonStates: 36, 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, 0.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 2812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:40:59,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b34321-a1b9-4e68-af94-90ef79663b7d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE