./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe005_tso.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/pthread-wmm/safe005_tso.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe005_tso.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 11:14:06,764 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 11:14:06,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 11:14:06,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 11:14:06,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 11:14:06,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 11:14:06,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 11:14:06,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 11:14:06,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 11:14:06,902 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 11:14:06,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 11:14:06,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 11:14:06,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 11:14:06,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 11:14:06,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 11:14:06,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 11:14:06,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 11:14:06,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:14:06,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 11:14:06,907 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce
[2024-11-07 11:14:07,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 11:14:07,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 11:14:07,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 11:14:07,204 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 11:14:07,204 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 11:14:07,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe005_tso.i
[2024-11-07 11:14:08,554 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 11:14:08,863 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 11:14:08,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_tso.i
[2024-11-07 11:14:08,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/194d64b0a/1ad860e52eaf4707857309c5ffcf1325/FLAG340ff65fb
[2024-11-07 11:14:09,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/194d64b0a/1ad860e52eaf4707857309c5ffcf1325
[2024-11-07 11:14:09,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 11:14:09,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 11:14:09,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 11:14:09,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 11:14:09,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 11:14:09,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40081dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09, skipping insertion in model container
[2024-11-07 11:14:09,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,176 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 11:14:09,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_tso.i[945,958]
[2024-11-07 11:14:09,493 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:14:09,505 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 11:14:09,517 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_tso.i[945,958]
[2024-11-07 11:14:09,549 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:14:09,591 INFO L204 MainTranslator]: Completed translation
[2024-11-07 11:14:09,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09 WrapperNode
[2024-11-07 11:14:09,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 11:14:09,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 11:14:09,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 11:14:09,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 11:14:09,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,639 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58
[2024-11-07 11:14:09,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 11:14:09,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 11:14:09,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 11:14:09,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 11:14:09,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,668 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 11:14:09,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 11:14:09,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 11:14:09,692 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 11:14:09,693 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 11:14:09,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (1/1) ...
[2024-11-07 11:14:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:14:09,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 11:14:09,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 11:14:09,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 11:14:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-07 11:14:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 11:14:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-07 11:14:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-07 11:14:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-07 11:14:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-07 11:14:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-07 11:14:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-07 11:14:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 11:14:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-07 11:14:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 11:14:09,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 11:14:09,759 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-07 11:14:09,861 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 11:14:09,862 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 11:14:10,006 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 11:14:10,007 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 11:14:10,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 11:14:10,083 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 11:14:10,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:14:10 BoogieIcfgContainer
[2024-11-07 11:14:10,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 11:14:10,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 11:14:10,088 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 11:14:10,092 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 11:14:10,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:14:09" (1/3) ...
[2024-11-07 11:14:10,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc4401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:14:10, skipping insertion in model container
[2024-11-07 11:14:10,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:09" (2/3) ...
[2024-11-07 11:14:10,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc4401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:14:10, skipping insertion in model container
[2024-11-07 11:14:10,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:14:10" (3/3) ...
[2024-11-07 11:14:10,096 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i
[2024-11-07 11:14:10,109 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 11:14:10,110 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 11:14:10,110 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 11:14:10,190 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-07 11:14:10,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 39 transitions, 90 flow
[2024-11-07 11:14:10,263 INFO L124 PetriNetUnfolderBase]: 1/36 cut-off events.
[2024-11-07 11:14:10,268 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 11:14:10,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place.
[2024-11-07 11:14:10,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 39 transitions, 90 flow
[2024-11-07 11:14:10,277 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 33 transitions, 75 flow
[2024-11-07 11:14:10,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 11:14:10,306 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a599b17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 11:14:10,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-07 11:14:10,322 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 11:14:10,324 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events.
[2024-11-07 11:14:10,324 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 11:14:10,324 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:14:10,325 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:14:10,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 11:14:10,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:14:10,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1691510903, now seen corresponding path program 1 times
[2024-11-07 11:14:10,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:14:10,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684230651]
[2024-11-07 11:14:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:14:10,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:14:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:14:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 11:14:10,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:14:10,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684230651]
[2024-11-07 11:14:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684230651] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:14:10,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:14:10,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 11:14:10,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677951216]
[2024-11-07 11:14:10,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:14:10,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 11:14:10,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:14:10,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 11:14:10,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 11:14:10,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 39
[2024-11-07 11:14:10,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 75 flow. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:10,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:14:10,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 39
[2024-11-07 11:14:10,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:14:11,146 INFO L124 PetriNetUnfolderBase]: 291/592 cut-off events.
[2024-11-07 11:14:11,146 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES.
[2024-11-07 11:14:11,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 592 events. 291/592 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3220 event pairs, 58 based on Foata normal form. 27/609 useless extension candidates. Maximal degree in co-relation 1087. Up to 236 conditions per place.
[2024-11-07 11:14:11,156 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 25 selfloop transitions, 5 changer transitions 1/48 dead transitions.
[2024-11-07 11:14:11,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 48 transitions, 173 flow
[2024-11-07 11:14:11,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 11:14:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 11:14:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 117 transitions.
[2024-11-07 11:14:11,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75
[2024-11-07 11:14:11,174 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 75 flow. Second operand 4 states and 117 transitions.
[2024-11-07 11:14:11,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 48 transitions, 173 flow
[2024-11-07 11:14:11,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 48 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-07 11:14:11,182 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow
[2024-11-07 11:14:11,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36}
[2024-11-07 11:14:11,189 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places.
[2024-11-07 11:14:11,189 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow
[2024-11-07 11:14:11,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:11,189 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:14:11,189 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:14:11,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 11:14:11,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 11:14:11,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:14:11,190 INFO L85 PathProgramCache]: Analyzing trace with hash -81870312, now seen corresponding path program 1 times
[2024-11-07 11:14:11,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:14:11,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517422164]
[2024-11-07 11:14:11,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:14:11,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:14:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:14:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 11:14:11,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:14:11,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517422164]
[2024-11-07 11:14:11,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517422164] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:14:11,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:14:11,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 11:14:11,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350900957]
[2024-11-07 11:14:11,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:14:11,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 11:14:11,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:14:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 11:14:11,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 11:14:11,415 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 39
[2024-11-07 11:14:11,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:11,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:14:11,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 39
[2024-11-07 11:14:11,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:14:11,565 INFO L124 PetriNetUnfolderBase]: 249/507 cut-off events.
[2024-11-07 11:14:11,566 INFO L125 PetriNetUnfolderBase]: For 169/169 co-relation queries the response was YES.
[2024-11-07 11:14:11,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 507 events. 249/507 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2517 event pairs, 15 based on Foata normal form. 26/525 useless extension candidates. Maximal degree in co-relation 1173. Up to 188 conditions per place.
[2024-11-07 11:14:11,571 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 31 selfloop transitions, 8 changer transitions 1/57 dead transitions.
[2024-11-07 11:14:11,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 57 transitions, 249 flow
[2024-11-07 11:14:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 11:14:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 11:14:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 147 transitions.
[2024-11-07 11:14:11,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7538461538461538
[2024-11-07 11:14:11,576 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 5 states and 147 transitions.
[2024-11-07 11:14:11,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 57 transitions, 249 flow
[2024-11-07 11:14:11,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 57 transitions, 239 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-07 11:14:11,579 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 146 flow
[2024-11-07 11:14:11,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=146, PETRI_PLACES=49, PETRI_TRANSITIONS=39}
[2024-11-07 11:14:11,582 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 6 predicate places.
[2024-11-07 11:14:11,582 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 146 flow
[2024-11-07 11:14:11,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:11,582 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:14:11,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:14:11,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 11:14:11,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 11:14:11,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:14:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash -679659613, now seen corresponding path program 1 times
[2024-11-07 11:14:11,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:14:11,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211807197]
[2024-11-07 11:14:11,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:14:11,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:14:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:14:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 11:14:11,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:14:11,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211807197]
[2024-11-07 11:14:11,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211807197] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:14:11,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:14:11,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 11:14:11,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3238076]
[2024-11-07 11:14:11,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:14:11,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 11:14:11,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:14:11,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 11:14:11,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-07 11:14:11,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 39
[2024-11-07 11:14:11,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:11,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:14:11,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 39
[2024-11-07 11:14:11,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:14:11,934 INFO L124 PetriNetUnfolderBase]: 174/342 cut-off events.
[2024-11-07 11:14:11,935 INFO L125 PetriNetUnfolderBase]: For 352/352 co-relation queries the response was YES.
[2024-11-07 11:14:11,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 342 events. 174/342 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1289 event pairs, 6 based on Foata normal form. 20/354 useless extension candidates. Maximal degree in co-relation 927. Up to 108 conditions per place.
[2024-11-07 11:14:11,939 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 29 selfloop transitions, 11 changer transitions 1/58 dead transitions.
[2024-11-07 11:14:11,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 58 transitions, 276 flow
[2024-11-07 11:14:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 11:14:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-07 11:14:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 169 transitions.
[2024-11-07 11:14:11,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222
[2024-11-07 11:14:11,941 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 146 flow. Second operand 6 states and 169 transitions.
[2024-11-07 11:14:11,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 58 transitions, 276 flow
[2024-11-07 11:14:11,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 58 transitions, 251 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-07 11:14:11,946 INFO L231 Difference]: Finished difference. Result has 52 places, 39 transitions, 160 flow
[2024-11-07 11:14:11,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=160, PETRI_PLACES=52, PETRI_TRANSITIONS=39}
[2024-11-07 11:14:11,947 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 9 predicate places.
[2024-11-07 11:14:11,947 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 39 transitions, 160 flow
[2024-11-07 11:14:11,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:11,947 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:14:11,948 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:14:11,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 11:14:11,948 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 11:14:11,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:14:11,949 INFO L85 PathProgramCache]: Analyzing trace with hash -726187898, now seen corresponding path program 1 times
[2024-11-07 11:14:11,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:14:11,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165897520]
[2024-11-07 11:14:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:14:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:14:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:14:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 11:14:12,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:14:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165897520]
[2024-11-07 11:14:12,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165897520] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:14:12,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:14:12,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-07 11:14:12,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932516906]
[2024-11-07 11:14:12,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:14:12,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-07 11:14:12,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:14:12,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-07 11:14:12,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-07 11:14:12,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39
[2024-11-07 11:14:12,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 39 transitions, 160 flow. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:12,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:14:12,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39
[2024-11-07 11:14:12,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:14:12,540 INFO L124 PetriNetUnfolderBase]: 631/1283 cut-off events.
[2024-11-07 11:14:12,541 INFO L125 PetriNetUnfolderBase]: For 740/758 co-relation queries the response was YES.
[2024-11-07 11:14:12,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3008 conditions, 1283 events. 631/1283 cut-off events. For 740/758 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7696 event pairs, 149 based on Foata normal form. 16/1239 useless extension candidates. Maximal degree in co-relation 2993. Up to 361 conditions per place.
[2024-11-07 11:14:12,553 INFO L140 encePairwiseOnDemand]: 30/39 looper letters, 28 selfloop transitions, 7 changer transitions 27/82 dead transitions.
[2024-11-07 11:14:12,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 82 transitions, 390 flow
[2024-11-07 11:14:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-07 11:14:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-07 11:14:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 226 transitions.
[2024-11-07 11:14:12,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6438746438746439
[2024-11-07 11:14:12,556 INFO L175 Difference]: Start difference. First operand has 52 places, 39 transitions, 160 flow. Second operand 9 states and 226 transitions.
[2024-11-07 11:14:12,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 82 transitions, 390 flow
[2024-11-07 11:14:12,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 82 transitions, 318 flow, removed 18 selfloop flow, removed 8 redundant places.
[2024-11-07 11:14:12,568 INFO L231 Difference]: Finished difference. Result has 60 places, 44 transitions, 164 flow
[2024-11-07 11:14:12,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=164, PETRI_PLACES=60, PETRI_TRANSITIONS=44}
[2024-11-07 11:14:12,569 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 17 predicate places.
[2024-11-07 11:14:12,569 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 44 transitions, 164 flow
[2024-11-07 11:14:12,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:12,570 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:14:12,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:14:12,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 11:14:12,570 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 11:14:12,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:14:12,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1183288388, now seen corresponding path program 2 times
[2024-11-07 11:14:12,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:14:12,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528832306]
[2024-11-07 11:14:12,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:14:12,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:14:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:14:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 11:14:12,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:14:12,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528832306]
[2024-11-07 11:14:12,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528832306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:14:12,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:14:12,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-07 11:14:12,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071877936]
[2024-11-07 11:14:12,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:14:12,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 11:14:12,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:14:12,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 11:14:12,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-07 11:14:12,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 39
[2024-11-07 11:14:12,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 44 transitions, 164 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:12,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:14:12,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 39
[2024-11-07 11:14:12,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:14:13,057 INFO L124 PetriNetUnfolderBase]: 523/1054 cut-off events.
[2024-11-07 11:14:13,057 INFO L125 PetriNetUnfolderBase]: For 435/435 co-relation queries the response was YES.
[2024-11-07 11:14:13,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2489 conditions, 1054 events. 523/1054 cut-off events. For 435/435 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6133 event pairs, 84 based on Foata normal form. 8/1011 useless extension candidates. Maximal degree in co-relation 2479. Up to 534 conditions per place.
[2024-11-07 11:14:13,065 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 0 selfloop transitions, 0 changer transitions 77/77 dead transitions.
[2024-11-07 11:14:13,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 77 transitions, 386 flow
[2024-11-07 11:14:13,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-07 11:14:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-07 11:14:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 174 transitions.
[2024-11-07 11:14:13,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6373626373626373
[2024-11-07 11:14:13,067 INFO L175 Difference]: Start difference. First operand has 60 places, 44 transitions, 164 flow. Second operand 7 states and 174 transitions.
[2024-11-07 11:14:13,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 77 transitions, 386 flow
[2024-11-07 11:14:13,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 77 transitions, 374 flow, removed 3 selfloop flow, removed 3 redundant places.
[2024-11-07 11:14:13,070 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow
[2024-11-07 11:14:13,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0}
[2024-11-07 11:14:13,071 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 14 predicate places.
[2024-11-07 11:14:13,071 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow
[2024-11-07 11:14:13,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 11:14:13,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2024-11-07 11:14:13,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-11-07 11:14:13,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-07 11:14:13,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-11-07 11:14:13,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-07 11:14:13,076 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2024-11-07 11:14:13,082 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 11:14:13,083 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 11:14:13,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:14:13 BasicIcfg
[2024-11-07 11:14:13,091 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 11:14:13,092 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 11:14:13,092 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 11:14:13,092 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 11:14:13,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:14:10" (3/4) ...
[2024-11-07 11:14:13,095 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-07 11:14:13,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-07 11:14:13,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-07 11:14:13,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-07 11:14:13,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges
[2024-11-07 11:14:13,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-07 11:14:13,107 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-07 11:14:13,108 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 11:14:13,175 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 11:14:13,176 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 11:14:13,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 11:14:13,177 INFO L158 Benchmark]: Toolchain (without parser) took 4043.09ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 90.6MB in the beginning and 73.8MB in the end (delta: 16.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB.
[2024-11-07 11:14:13,177 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:14:13,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.66ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 70.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 11:14:13,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:14:13,178 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:14:13,179 INFO L158 Benchmark]: RCFGBuilder took 395.65ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 49.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 11:14:13,180 INFO L158 Benchmark]: TraceAbstraction took 3003.92ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 48.8MB in the beginning and 77.9MB in the end (delta: -29.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2024-11-07 11:14:13,180 INFO L158 Benchmark]: Witness Printer took 84.02ms. Allocated memory is still 151.0MB. Free memory was 77.9MB in the beginning and 73.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:14:13,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 457.66ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 70.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 48.07ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 395.65ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 49.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3003.92ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 48.8MB in the beginning and 77.9MB in the end (delta: -29.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
* Witness Printer took 84.02ms. Allocated memory is still 151.0MB. Free memory was 77.9MB in the beginning and 73.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 18]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 233 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 406 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 18 mSDtfsCounter, 406 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 1.1s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-07 11:14:13,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE