./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe010_tso.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
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_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/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_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe010_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:46:35,711 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:46:35,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2023-11-19 07:46:35,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:46:35,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:46:35,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:46:35,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:46:35,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:46:35,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:46:35,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:46:35,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:46:35,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:46:35,891 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:46:35,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:46:35,894 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:46:35,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:46:35,895 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:46:35,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:46:35,896 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:46:35,897 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:46:35,897 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 07:46:35,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:46:35,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:46:35,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:46:35,899 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:46:35,900 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:46:35,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:46:35,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:46:35,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:46:35,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:35,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:46:35,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:46:35,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:46:35,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:46:35,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:46:35,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:46:35,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:46:35,906 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:46:35,906 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_9db12bdc-40c2-47d3-aac3-16a9075e7b11/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513
[2023-11-19 07:46:36,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:46:36,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:46:36,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:46:36,198 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:46:36,199 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:46:36,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/safe010_tso.i
[2023-11-19 07:46:39,400 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:46:39,669 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:46:39,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/sv-benchmarks/c/pthread-wmm/safe010_tso.i
[2023-11-19 07:46:39,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/data/4307e7be5/e6acf1eb82c44c6396fa67947c4e828a/FLAG9f6052f0e
[2023-11-19 07:46:39,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/data/4307e7be5/e6acf1eb82c44c6396fa67947c4e828a
[2023-11-19 07:46:39,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:46:39,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:46:39,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:39,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:46:39,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:46:39,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:39" (1/1) ...
[2023-11-19 07:46:39,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9f80a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:39, skipping insertion in model container
[2023-11-19 07:46:39,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:39" (1/1) ...
[2023-11-19 07:46:39,822 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:40,139 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:40,149 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:46:40,190 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:40,223 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:40,224 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:40,231 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:46:40,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40 WrapperNode
[2023-11-19 07:46:40,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:40,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:40,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:46:40,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:46:40,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,277 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60
[2023-11-19 07:46:40,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:40,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:46:40,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:46:40,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:46:40,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:46:40,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:46:40,308 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:46:40,308 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:46:40,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (1/1) ...
[2023-11-19 07:46:40,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:40,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:40,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:46:40,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:46:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:46:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:46:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:46:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:46:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:46:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 07:46:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 07:46:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 07:46:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 07:46:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:46:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:46:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:46:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:46:40,380 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 07:46:40,577 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:46:40,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:46:40,813 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:46:40,821 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:46:40,822 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:46:40,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:40 BoogieIcfgContainer
[2023-11-19 07:46:40,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:46:40,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:46:40,828 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:46:40,831 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:46:40,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:39" (1/3) ...
[2023-11-19 07:46:40,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8500c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:40, skipping insertion in model container
[2023-11-19 07:46:40,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:40" (2/3) ...
[2023-11-19 07:46:40,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8500c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:40, skipping insertion in model container
[2023-11-19 07:46:40,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:40" (3/3) ...
[2023-11-19 07:46:40,839 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.i
[2023-11-19 07:46:40,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:46:40,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 07:46:40,860 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:46:40,962 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:46:41,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 180 flow
[2023-11-19 07:46:41,087 INFO L124 PetriNetUnfolderBase]: 3/84 cut-off events.
[2023-11-19 07:46:41,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:41,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 3/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place.
[2023-11-19 07:46:41,093 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 86 transitions, 180 flow
[2023-11-19 07:46:41,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 79 transitions, 164 flow
[2023-11-19 07:46:41,103 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:46:41,125 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 79 transitions, 164 flow
[2023-11-19 07:46:41,129 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 79 transitions, 164 flow
[2023-11-19 07:46:41,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 164 flow
[2023-11-19 07:46:41,166 INFO L124 PetriNetUnfolderBase]: 3/79 cut-off events.
[2023-11-19 07:46:41,166 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:41,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 79 events. 3/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place.
[2023-11-19 07:46:41,170 INFO L119 LiptonReduction]: Number of co-enabled transitions 1176
[2023-11-19 07:46:43,836 INFO L134 LiptonReduction]: Checked pairs total: 1808
[2023-11-19 07:46:43,837 INFO L136 LiptonReduction]: Total number of compositions: 89
[2023-11-19 07:46:43,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:46:43,871 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@61b9c5e7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:46:43,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-19 07:46:43,873 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:46:43,873 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2023-11-19 07:46:43,873 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:43,873 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:43,874 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:46:43,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:43,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash 317, now seen corresponding path program 1 times
[2023-11-19 07:46:43,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:43,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667126086]
[2023-11-19 07:46:43,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:43,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:44,026 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 07:46:44,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667126086]
[2023-11-19 07:46:44,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667126086] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:44,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:44,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:46:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382299]
[2023-11-19 07:46:44,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:44,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:46:44,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:44,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:46:44,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:46:44,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 175
[2023-11-19 07:46:44,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 44 flow. Second operand has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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 07:46:44,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:44,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 175
[2023-11-19 07:46:44,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:44,162 INFO L124 PetriNetUnfolderBase]: 56/116 cut-off events.
[2023-11-19 07:46:44,162 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 07:46:44,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 116 events. 56/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 405 event pairs, 56 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 226. Up to 109 conditions per place.
[2023-11-19 07:46:44,167 INFO L140 encePairwiseOnDemand]: 170/175 looper letters, 12 selfloop transitions, 0 changer transitions 0/14 dead transitions.
[2023-11-19 07:46:44,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 14 transitions, 58 flow
[2023-11-19 07:46:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:46:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:46:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 177 transitions.
[2023-11-19 07:46:44,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5057142857142857
[2023-11-19 07:46:44,184 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 177 transitions.
[2023-11-19 07:46:44,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 177 transitions.
[2023-11-19 07:46:44,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:44,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 177 transitions.
[2023-11-19 07:46:44,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 88.5) internal successors, (177), 2 states have internal predecessors, (177), 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 07:46:44,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 07:46:44,199 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 07:46:44,201 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 44 flow. Second operand 2 states and 177 transitions.
[2023-11-19 07:46:44,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 14 transitions, 58 flow
[2023-11-19 07:46:44,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 14 transitions, 56 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:46:44,206 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 32 flow
[2023-11-19 07:46:44,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=32, PETRI_PLACES=20, PETRI_TRANSITIONS=14}
[2023-11-19 07:46:44,212 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, -5 predicate places.
[2023-11-19 07:46:44,212 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 32 flow
[2023-11-19 07:46:44,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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 07:46:44,213 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:44,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:44,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:46:44,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:44,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:44,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1308294727, now seen corresponding path program 1 times
[2023-11-19 07:46:44,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:44,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542293714]
[2023-11-19 07:46:44,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:44,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:44,871 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 07:46:44,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:44,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542293714]
[2023-11-19 07:46:44,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542293714] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:44,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:44,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:44,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271872067]
[2023-11-19 07:46:44,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:44,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:44,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:44,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:44,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:45,008 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 175
[2023-11-19 07:46:45,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 32 flow. Second operand has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 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 07:46:45,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:45,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 175
[2023-11-19 07:46:45,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:45,079 INFO L124 PetriNetUnfolderBase]: 44/100 cut-off events.
[2023-11-19 07:46:45,079 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:45,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 100 events. 44/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 338 event pairs, 4 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 195. Up to 58 conditions per place.
[2023-11-19 07:46:45,081 INFO L140 encePairwiseOnDemand]: 171/175 looper letters, 15 selfloop transitions, 3 changer transitions 0/20 dead transitions.
[2023-11-19 07:46:45,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 80 flow
[2023-11-19 07:46:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 355 transitions.
[2023-11-19 07:46:45,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4057142857142857
[2023-11-19 07:46:45,086 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 355 transitions.
[2023-11-19 07:46:45,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 355 transitions.
[2023-11-19 07:46:45,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:45,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 355 transitions.
[2023-11-19 07:46:45,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 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 07:46:45,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 07:46:45,102 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 07:46:45,102 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 32 flow. Second operand 5 states and 355 transitions.
[2023-11-19 07:46:45,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 80 flow
[2023-11-19 07:46:45,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 20 transitions, 80 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:46:45,106 INFO L231 Difference]: Finished difference. Result has 23 places, 13 transitions, 36 flow
[2023-11-19 07:46:45,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=36, PETRI_PLACES=23, PETRI_TRANSITIONS=13}
[2023-11-19 07:46:45,109 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, -2 predicate places.
[2023-11-19 07:46:45,109 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 13 transitions, 36 flow
[2023-11-19 07:46:45,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 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 07:46:45,110 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:45,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:45,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:46:45,112 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:45,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:45,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1308294700, now seen corresponding path program 1 times
[2023-11-19 07:46:45,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:45,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135055766]
[2023-11-19 07:46:45,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:45,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:45,281 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 07:46:45,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:45,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135055766]
[2023-11-19 07:46:45,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135055766] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:45,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:45,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:45,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657379625]
[2023-11-19 07:46:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:45,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:45,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:45,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:45,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:45,300 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 175
[2023-11-19 07:46:45,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 13 transitions, 36 flow. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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 07:46:45,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:45,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 175
[2023-11-19 07:46:45,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:45,407 INFO L124 PetriNetUnfolderBase]: 75/171 cut-off events.
[2023-11-19 07:46:45,407 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES.
[2023-11-19 07:46:45,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 171 events. 75/171 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 774 event pairs, 25 based on Foata normal form. 16/187 useless extension candidates. Maximal degree in co-relation 356. Up to 84 conditions per place.
[2023-11-19 07:46:45,409 INFO L140 encePairwiseOnDemand]: 169/175 looper letters, 16 selfloop transitions, 4 changer transitions 10/31 dead transitions.
[2023-11-19 07:46:45,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 31 transitions, 142 flow
[2023-11-19 07:46:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 397 transitions.
[2023-11-19 07:46:45,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45371428571428574
[2023-11-19 07:46:45,412 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 397 transitions.
[2023-11-19 07:46:45,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 397 transitions.
[2023-11-19 07:46:45,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:45,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 397 transitions.
[2023-11-19 07:46:45,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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 07:46:45,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 07:46:45,418 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 07:46:45,418 INFO L175 Difference]: Start difference. First operand has 23 places, 13 transitions, 36 flow. Second operand 5 states and 397 transitions.
[2023-11-19 07:46:45,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 31 transitions, 142 flow
[2023-11-19 07:46:45,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 31 transitions, 132 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 07:46:45,420 INFO L231 Difference]: Finished difference. Result has 27 places, 15 transitions, 62 flow
[2023-11-19 07:46:45,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=31, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=62, PETRI_PLACES=27, PETRI_TRANSITIONS=15}
[2023-11-19 07:46:45,421 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 2 predicate places.
[2023-11-19 07:46:45,421 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 15 transitions, 62 flow
[2023-11-19 07:46:45,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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 07:46:45,422 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:45,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:45,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:46:45,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:45,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:45,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1902391146, now seen corresponding path program 1 times
[2023-11-19 07:46:45,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:45,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190716383]
[2023-11-19 07:46:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:45,522 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 07:46:45,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190716383]
[2023-11-19 07:46:45,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190716383] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:45,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:45,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517737924]
[2023-11-19 07:46:45,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:45,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:45,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:45,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:45,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:45,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 175
[2023-11-19 07:46:45,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 15 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:46:45,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:45,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 175
[2023-11-19 07:46:45,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:45,601 INFO L124 PetriNetUnfolderBase]: 50/124 cut-off events.
[2023-11-19 07:46:45,601 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES.
[2023-11-19 07:46:45,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 124 events. 50/124 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 511 event pairs, 25 based on Foata normal form. 6/129 useless extension candidates. Maximal degree in co-relation 338. Up to 82 conditions per place.
[2023-11-19 07:46:45,603 INFO L140 encePairwiseOnDemand]: 171/175 looper letters, 13 selfloop transitions, 3 changer transitions 5/23 dead transitions.
[2023-11-19 07:46:45,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 130 flow
[2023-11-19 07:46:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 401 transitions.
[2023-11-19 07:46:45,606 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4582857142857143
[2023-11-19 07:46:45,606 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 401 transitions.
[2023-11-19 07:46:45,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 401 transitions.
[2023-11-19 07:46:45,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:45,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 401 transitions.
[2023-11-19 07:46:45,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 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 07:46:45,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 07:46:45,611 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 07:46:45,612 INFO L175 Difference]: Start difference. First operand has 27 places, 15 transitions, 62 flow. Second operand 5 states and 401 transitions.
[2023-11-19 07:46:45,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 130 flow
[2023-11-19 07:46:45,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 119 flow, removed 3 selfloop flow, removed 2 redundant places.
[2023-11-19 07:46:45,614 INFO L231 Difference]: Finished difference. Result has 30 places, 15 transitions, 69 flow
[2023-11-19 07:46:45,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=69, PETRI_PLACES=30, PETRI_TRANSITIONS=15}
[2023-11-19 07:46:45,616 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 5 predicate places.
[2023-11-19 07:46:45,616 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 15 transitions, 69 flow
[2023-11-19 07:46:45,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:46:45,616 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:45,616 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:45,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:46:45,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:45,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:45,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1902375770, now seen corresponding path program 1 times
[2023-11-19 07:46:45,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:45,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146587218]
[2023-11-19 07:46:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:45,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:45,734 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 07:46:45,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:45,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146587218]
[2023-11-19 07:46:45,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146587218] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:45,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:45,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:46:45,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934741235]
[2023-11-19 07:46:45,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:45,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:46:45,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:45,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:46:45,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:45,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 175
[2023-11-19 07:46:45,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 15 transitions, 69 flow. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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 07:46:45,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:45,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 175
[2023-11-19 07:46:45,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:45,836 INFO L124 PetriNetUnfolderBase]: 45/107 cut-off events.
[2023-11-19 07:46:45,836 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES.
[2023-11-19 07:46:45,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 107 events. 45/107 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 407 event pairs, 14 based on Foata normal form. 2/109 useless extension candidates. Maximal degree in co-relation 299. Up to 61 conditions per place.
[2023-11-19 07:46:45,840 INFO L140 encePairwiseOnDemand]: 171/175 looper letters, 16 selfloop transitions, 6 changer transitions 0/23 dead transitions.
[2023-11-19 07:46:45,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 23 transitions, 141 flow
[2023-11-19 07:46:45,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:46:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:46:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 302 transitions.
[2023-11-19 07:46:45,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43142857142857144
[2023-11-19 07:46:45,842 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 302 transitions.
[2023-11-19 07:46:45,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 302 transitions.
[2023-11-19 07:46:45,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:45,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 302 transitions.
[2023-11-19 07:46:45,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 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 07:46:45,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 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 07:46:45,847 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 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 07:46:45,847 INFO L175 Difference]: Start difference. First operand has 30 places, 15 transitions, 69 flow. Second operand 4 states and 302 transitions.
[2023-11-19 07:46:45,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 23 transitions, 141 flow
[2023-11-19 07:46:45,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 23 transitions, 121 flow, removed 7 selfloop flow, removed 5 redundant places.
[2023-11-19 07:46:45,849 INFO L231 Difference]: Finished difference. Result has 27 places, 17 transitions, 81 flow
[2023-11-19 07:46:45,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=81, PETRI_PLACES=27, PETRI_TRANSITIONS=17}
[2023-11-19 07:46:45,850 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 2 predicate places.
[2023-11-19 07:46:45,850 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 17 transitions, 81 flow
[2023-11-19 07:46:45,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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 07:46:45,851 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:45,851 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:45,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:46:45,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:45,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1194795004, now seen corresponding path program 1 times
[2023-11-19 07:46:45,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:45,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510315246]
[2023-11-19 07:46:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:45,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:45,990 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 07:46:45,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:45,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510315246]
[2023-11-19 07:46:45,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510315246] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:45,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:45,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:45,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33611679]
[2023-11-19 07:46:45,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:45,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:45,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:45,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:45,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:46,023 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 175
[2023-11-19 07:46:46,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 81 flow. Second operand has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 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 07:46:46,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:46,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 175
[2023-11-19 07:46:46,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:46,144 INFO L124 PetriNetUnfolderBase]: 88/184 cut-off events.
[2023-11-19 07:46:46,144 INFO L125 PetriNetUnfolderBase]: For 93/93 co-relation queries the response was YES.
[2023-11-19 07:46:46,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 184 events. 88/184 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 692 event pairs, 5 based on Foata normal form. 9/193 useless extension candidates. Maximal degree in co-relation 513. Up to 69 conditions per place.
[2023-11-19 07:46:46,146 INFO L140 encePairwiseOnDemand]: 168/175 looper letters, 25 selfloop transitions, 8 changer transitions 12/45 dead transitions.
[2023-11-19 07:46:46,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 273 flow
[2023-11-19 07:46:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:46:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 07:46:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 541 transitions.
[2023-11-19 07:46:46,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4416326530612245
[2023-11-19 07:46:46,150 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 541 transitions.
[2023-11-19 07:46:46,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 541 transitions.
[2023-11-19 07:46:46,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:46,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 541 transitions.
[2023-11-19 07:46:46,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 77.28571428571429) internal successors, (541), 7 states have internal predecessors, (541), 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 07:46:46,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 07:46:46,157 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 07:46:46,157 INFO L175 Difference]: Start difference. First operand has 27 places, 17 transitions, 81 flow. Second operand 7 states and 541 transitions.
[2023-11-19 07:46:46,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 273 flow
[2023-11-19 07:46:46,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 45 transitions, 273 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:46:46,160 INFO L231 Difference]: Finished difference. Result has 38 places, 19 transitions, 128 flow
[2023-11-19 07:46:46,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=38, PETRI_TRANSITIONS=19}
[2023-11-19 07:46:46,161 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 13 predicate places.
[2023-11-19 07:46:46,162 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 19 transitions, 128 flow
[2023-11-19 07:46:46,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 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 07:46:46,162 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:46,163 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:46,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:46:46,163 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:46,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1210824484, now seen corresponding path program 2 times
[2023-11-19 07:46:46,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:46,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839829275]
[2023-11-19 07:46:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:46,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:46,286 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 07:46:46,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:46,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839829275]
[2023-11-19 07:46:46,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839829275] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:46,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:46,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:46,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799773623]
[2023-11-19 07:46:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:46,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:46,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:46,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 175
[2023-11-19 07:46:46,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 19 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 75.8) internal successors, (379), 5 states have internal predecessors, (379), 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 07:46:46,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:46,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 175
[2023-11-19 07:46:46,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:46,393 INFO L124 PetriNetUnfolderBase]: 58/143 cut-off events.
[2023-11-19 07:46:46,393 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES.
[2023-11-19 07:46:46,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 143 events. 58/143 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 589 event pairs, 12 based on Foata normal form. 12/151 useless extension candidates. Maximal degree in co-relation 493. Up to 48 conditions per place.
[2023-11-19 07:46:46,395 INFO L140 encePairwiseOnDemand]: 170/175 looper letters, 14 selfloop transitions, 3 changer transitions 15/33 dead transitions.
[2023-11-19 07:46:46,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 245 flow
[2023-11-19 07:46:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:46:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:46:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 472 transitions.
[2023-11-19 07:46:46,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44952380952380955
[2023-11-19 07:46:46,398 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 472 transitions.
[2023-11-19 07:46:46,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 472 transitions.
[2023-11-19 07:46:46,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:46,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 472 transitions.
[2023-11-19 07:46:46,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 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 07:46:46,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 07:46:46,403 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 07:46:46,403 INFO L175 Difference]: Start difference. First operand has 38 places, 19 transitions, 128 flow. Second operand 6 states and 472 transitions.
[2023-11-19 07:46:46,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 245 flow
[2023-11-19 07:46:46,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 33 transitions, 226 flow, removed 5 selfloop flow, removed 4 redundant places.
[2023-11-19 07:46:46,407 INFO L231 Difference]: Finished difference. Result has 41 places, 13 transitions, 86 flow
[2023-11-19 07:46:46,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=86, PETRI_PLACES=41, PETRI_TRANSITIONS=13}
[2023-11-19 07:46:46,408 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 16 predicate places.
[2023-11-19 07:46:46,408 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 13 transitions, 86 flow
[2023-11-19 07:46:46,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.8) internal successors, (379), 5 states have internal predecessors, (379), 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 07:46:46,409 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:46,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:46,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:46:46,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:46,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash 752729720, now seen corresponding path program 1 times
[2023-11-19 07:46:46,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:46,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778355231]
[2023-11-19 07:46:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:46,510 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 07:46:46,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:46,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778355231]
[2023-11-19 07:46:46,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778355231] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:46,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:46,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:46,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437115446]
[2023-11-19 07:46:46,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:46,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:46,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:46,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:46,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:46,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 175
[2023-11-19 07:46:46,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 13 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 07:46:46,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:46,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 175
[2023-11-19 07:46:46,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:46,544 INFO L124 PetriNetUnfolderBase]: 10/36 cut-off events.
[2023-11-19 07:46:46,544 INFO L125 PetriNetUnfolderBase]: For 64/65 co-relation queries the response was YES.
[2023-11-19 07:46:46,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 36 events. 10/36 cut-off events. For 64/65 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 4 based on Foata normal form. 2/37 useless extension candidates. Maximal degree in co-relation 137. Up to 23 conditions per place.
[2023-11-19 07:46:46,545 INFO L140 encePairwiseOnDemand]: 171/175 looper letters, 12 selfloop transitions, 2 changer transitions 2/18 dead transitions.
[2023-11-19 07:46:46,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 18 transitions, 139 flow
[2023-11-19 07:46:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:46:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions.
[2023-11-19 07:46:46,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4723809523809524
[2023-11-19 07:46:46,547 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions.
[2023-11-19 07:46:46,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions.
[2023-11-19 07:46:46,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:46,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions.
[2023-11-19 07:46:46,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 07:46:46,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 07:46:46,550 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 07:46:46,550 INFO L175 Difference]: Start difference. First operand has 41 places, 13 transitions, 86 flow. Second operand 3 states and 248 transitions.
[2023-11-19 07:46:46,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 18 transitions, 139 flow
[2023-11-19 07:46:46,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 18 transitions, 95 flow, removed 9 selfloop flow, removed 13 redundant places.
[2023-11-19 07:46:46,551 INFO L231 Difference]: Finished difference. Result has 29 places, 13 transitions, 58 flow
[2023-11-19 07:46:46,552 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=29, PETRI_TRANSITIONS=13}
[2023-11-19 07:46:46,552 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places.
[2023-11-19 07:46:46,553 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 13 transitions, 58 flow
[2023-11-19 07:46:46,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 07:46:46,553 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:46,553 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:46,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:46:46,554 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2023-11-19 07:46:46,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:46,554 INFO L85 PathProgramCache]: Analyzing trace with hash -630802470, now seen corresponding path program 1 times
[2023-11-19 07:46:46,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:46,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022868500]
[2023-11-19 07:46:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:46,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:46,671 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 07:46:46,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:46,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022868500]
[2023-11-19 07:46:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022868500] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:46,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:46,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:46,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320479950]
[2023-11-19 07:46:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:46,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:46,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:46,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:46,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:46,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 175
[2023-11-19 07:46:46,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 13 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:46:46,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:46,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 175
[2023-11-19 07:46:46,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:46,712 INFO L124 PetriNetUnfolderBase]: 5/22 cut-off events.
[2023-11-19 07:46:46,712 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES.
[2023-11-19 07:46:46,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 22 events. 5/22 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 2 based on Foata normal form. 3/24 useless extension candidates. Maximal degree in co-relation 75. Up to 10 conditions per place.
[2023-11-19 07:46:46,713 INFO L140 encePairwiseOnDemand]: 171/175 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions.
[2023-11-19 07:46:46,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 14 transitions, 85 flow
[2023-11-19 07:46:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:46:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:46:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 321 transitions.
[2023-11-19 07:46:46,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4585714285714286
[2023-11-19 07:46:46,715 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 321 transitions.
[2023-11-19 07:46:46,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 321 transitions.
[2023-11-19 07:46:46,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:46,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 321 transitions.
[2023-11-19 07:46:46,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 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 07:46:46,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 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 07:46:46,719 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 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 07:46:46,719 INFO L175 Difference]: Start difference. First operand has 29 places, 13 transitions, 58 flow. Second operand 4 states and 321 transitions.
[2023-11-19 07:46:46,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 14 transitions, 85 flow
[2023-11-19 07:46:46,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 14 transitions, 71 flow, removed 1 selfloop flow, removed 5 redundant places.
[2023-11-19 07:46:46,721 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow
[2023-11-19 07:46:46,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0}
[2023-11-19 07:46:46,722 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 0 predicate places.
[2023-11-19 07:46:46,722 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow
[2023-11-19 07:46:46,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:46:46,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 8 remaining)
[2023-11-19 07:46:46,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 8 remaining)
[2023-11-19 07:46:46,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 8 remaining)
[2023-11-19 07:46:46,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 8 remaining)
[2023-11-19 07:46:46,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (3 of 8 remaining)
[2023-11-19 07:46:46,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (2 of 8 remaining)
[2023-11-19 07:46:46,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining)
[2023-11-19 07:46:46,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining)
[2023-11-19 07:46:46,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:46:46,728 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:46,732 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:46:46,732 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:46:46,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:46 BasicIcfg
[2023-11-19 07:46:46,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:46:46,736 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:46:46,736 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:46:46,737 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:46:46,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:40" (3/4) ...
[2023-11-19 07:46:46,739 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:46:46,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 07:46:46,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 07:46:46,748 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:46:46,748 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:46:46,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:46:46,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:46:46,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:46:46,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:46:46,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:46:46,831 INFO L158 Benchmark]: Toolchain (without parser) took 7104.49ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 117.4MB in the beginning and 77.1MB in the end (delta: 40.2MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB.
[2023-11-19 07:46:46,832 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:46:46,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.46ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 97.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:46:46,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.52ms. Allocated memory is still 161.5MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:46:46,833 INFO L158 Benchmark]: Boogie Preprocessor took 28.60ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:46:46,833 INFO L158 Benchmark]: RCFGBuilder took 518.52ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 126.2MB in the end (delta: -32.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:46:46,834 INFO L158 Benchmark]: TraceAbstraction took 5907.88ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 126.0MB in the beginning and 81.3MB in the end (delta: 44.7MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB.
[2023-11-19 07:46:46,834 INFO L158 Benchmark]: Witness Printer took 94.24ms. Allocated memory is still 205.5MB. Free memory was 81.3MB in the beginning and 77.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:46:46,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 501.46ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 97.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.52ms. Allocated memory is still 161.5MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.60ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 518.52ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 126.2MB in the end (delta: -32.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 5907.88ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 126.0MB in the beginning and 81.3MB in the end (delta: 44.7MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB.
* Witness Printer took 94.24ms. Allocated memory is still 205.5MB. Free memory was 81.3MB in the beginning and 77.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 2.7s, 83 PlacesBefore, 25 PlacesAfterwards, 79 TransitionsBefore, 19 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 5 FixpointIterations, 24 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 1808 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1207, independent: 1152, independent conditional: 0, independent unconditional: 1152, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 656, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1207, independent: 513, independent conditional: 0, independent unconditional: 513, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 656, unknown conditional: 0, unknown unconditional: 656] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 17]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 756]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 102 locations, 8 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: 5.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 278 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 512 IncrementalHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 41 mSDtfsCounter, 512 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=6, InterpolantAutomatonStates: 41, 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, 1.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:46:46,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12bdc-40c2-47d3-aac3-16a9075e7b11/bin/uautomizer-verify-uCwYo4JHxu/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