./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe036.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/safe036.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', '1118c32f43b2d6844c8e6b0e5b4fae8199d058f7b991e3c8d975cf675dc5221a']
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/safe036.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 1118c32f43b2d6844c8e6b0e5b4fae8199d058f7b991e3c8d975cf675dc5221a
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 11:15:50,032 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 11:15:50,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 11:15:50,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 11:15:50,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 11:15:50,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 11:15:50,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 11:15:50,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 11:15:50,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 11:15:50,140 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 11:15:50,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 11:15:50,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 11:15:50,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 11:15:50,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 11:15:50,141 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 11:15:50,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 11:15:50,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 11:15:50,141 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 11:15:50,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 11:15:50,141 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 11:15:50,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 11:15:50,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:15:50,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 11:15:50,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 11:15:50,144 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 -> 1118c32f43b2d6844c8e6b0e5b4fae8199d058f7b991e3c8d975cf675dc5221a
[2024-11-07 11:15:50,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 11:15:50,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 11:15:50,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 11:15:50,345 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 11:15:50,345 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 11:15:50,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe036.i
[2024-11-07 11:15:51,529 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 11:15:51,762 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 11:15:51,763 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe036.i
[2024-11-07 11:15:51,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a4d98fa3b/b6588d879622408a8ae95f0c53ffee82/FLAGb86f84220
[2024-11-07 11:15:52,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a4d98fa3b/b6588d879622408a8ae95f0c53ffee82
[2024-11-07 11:15:52,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 11:15:52,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 11:15:52,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 11:15:52,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 11:15:52,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 11:15:52,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f595fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52, skipping insertion in model container
[2024-11-07 11:15:52,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,152 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 11:15:52,250 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/safe036.i[941,954]
[2024-11-07 11:15:52,349 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:15:52,356 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 11:15:52,364 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/safe036.i[941,954]
[2024-11-07 11:15:52,383 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:15:52,409 INFO L204 MainTranslator]: Completed translation
[2024-11-07 11:15:52,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52 WrapperNode
[2024-11-07 11:15:52,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 11:15:52,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 11:15:52,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 11:15:52,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 11:15:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,435 INFO L138 Inliner]: procedures = 174, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50
[2024-11-07 11:15:52,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 11:15:52,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 11:15:52,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 11:15:52,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 11:15:52,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,451 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 11:15:52,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 11:15:52,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 11:15:52,465 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 11:15:52,465 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 11:15:52,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (1/1) ...
[2024-11-07 11:15:52,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:15:52,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 11:15:52,503 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 11:15:52,505 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 11:15:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-07 11:15:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 11:15:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-07 11:15:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-07 11:15:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-07 11:15:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-07 11:15:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 11:15:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-07 11:15:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 11:15:52,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 11:15:52,526 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 11:15:52,603 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 11:15:52,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 11:15:52,682 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 11:15:52,683 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 11:15:52,747 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 11:15:52,748 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 11:15:52,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:52 BoogieIcfgContainer
[2024-11-07 11:15:52,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 11:15:52,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 11:15:52,751 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 11:15:52,755 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 11:15:52,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:15:52" (1/3) ...
[2024-11-07 11:15:52,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3558b3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:15:52, skipping insertion in model container
[2024-11-07 11:15:52,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:52" (2/3) ...
[2024-11-07 11:15:52,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3558b3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:15:52, skipping insertion in model container
[2024-11-07 11:15:52,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:52" (3/3) ...
[2024-11-07 11:15:52,757 INFO L112 eAbstractionObserver]: Analyzing ICFG safe036.i
[2024-11-07 11:15:52,768 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 11:15:52,769 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 11:15:52,769 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 11:15:52,818 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-07 11:15:52,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 31 transitions, 70 flow
[2024-11-07 11:15:52,877 INFO L124 PetriNetUnfolderBase]: 1/29 cut-off events.
[2024-11-07 11:15:52,880 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 11:15:52,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 29 events. 1/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place.
[2024-11-07 11:15:52,883 INFO L82 GeneralOperation]: Start removeDead. Operand has 37 places, 31 transitions, 70 flow
[2024-11-07 11:15:52,885 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 58 flow
[2024-11-07 11:15:52,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 11:15:52,907 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;@5fb76670, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 11:15:52,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-07 11:15:52,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 11:15:52,921 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events.
[2024-11-07 11:15:52,922 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 11:15:52,922 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:15:52,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:15:52,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:15:52,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:15:52,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1796066353, now seen corresponding path program 1 times
[2024-11-07 11:15:52,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:15:52,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644484515]
[2024-11-07 11:15:52,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:15:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:15:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:15:53,383 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 11:15:53,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:15:53,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644484515]
[2024-11-07 11:15:53,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644484515] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:15:53,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:15:53,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 11:15:53,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475569757]
[2024-11-07 11:15:53,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:15:53,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 11:15:53,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:15:53,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 11:15:53,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 11:15:53,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 31
[2024-11-07 11:15:53,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 26 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 11:15:53,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:15:53,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 31
[2024-11-07 11:15:53,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:15:53,509 INFO L124 PetriNetUnfolderBase]: 54/154 cut-off events.
[2024-11-07 11:15:53,509 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-07 11:15:53,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 154 events. 54/154 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 605 event pairs, 6 based on Foata normal form. 9/157 useless extension candidates. Maximal degree in co-relation 268. Up to 55 conditions per place.
[2024-11-07 11:15:53,511 INFO L140 encePairwiseOnDemand]: 26/31 looper letters, 17 selfloop transitions, 4 changer transitions 1/36 dead transitions.
[2024-11-07 11:15:53,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 36 transitions, 125 flow
[2024-11-07 11:15:53,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 11:15:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 11:15:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 92 transitions.
[2024-11-07 11:15:53,521 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7419354838709677
[2024-11-07 11:15:53,523 INFO L175 Difference]: Start difference. First operand has 33 places, 26 transitions, 58 flow. Second operand 4 states and 92 transitions.
[2024-11-07 11:15:53,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 36 transitions, 125 flow
[2024-11-07 11:15:53,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 36 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-07 11:15:53,531 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 82 flow
[2024-11-07 11:15:53,533 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=82, PETRI_PLACES=36, PETRI_TRANSITIONS=28}
[2024-11-07 11:15:53,537 INFO L277 CegarLoopForPetriNet]: 33 programPoint places, 3 predicate places.
[2024-11-07 11:15:53,538 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 82 flow
[2024-11-07 11:15:53,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 11:15:53,538 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:15:53,538 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:15:53,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 11:15:53,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:15:53,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:15:53,540 INFO L85 PathProgramCache]: Analyzing trace with hash 485046764, now seen corresponding path program 1 times
[2024-11-07 11:15:53,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:15:53,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551435713]
[2024-11-07 11:15:53,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:15:53,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:15:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:15:53,725 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 11:15:53,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:15:53,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551435713]
[2024-11-07 11:15:53,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551435713] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:15:53,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:15:53,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 11:15:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413827428]
[2024-11-07 11:15:53,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:15:53,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 11:15:53,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:15:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 11:15:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 11:15:53,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 31
[2024-11-07 11:15:53,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 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 11:15:53,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:15:53,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 31
[2024-11-07 11:15:53,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:15:53,794 INFO L124 PetriNetUnfolderBase]: 38/109 cut-off events.
[2024-11-07 11:15:53,795 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES.
[2024-11-07 11:15:53,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 109 events. 38/109 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 285 event pairs, 2 based on Foata normal form. 8/113 useless extension candidates. Maximal degree in co-relation 242. Up to 28 conditions per place.
[2024-11-07 11:15:53,796 INFO L140 encePairwiseOnDemand]: 26/31 looper letters, 16 selfloop transitions, 6 changer transitions 1/37 dead transitions.
[2024-11-07 11:15:53,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 37 transitions, 151 flow
[2024-11-07 11:15:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 11:15:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 11:15:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions.
[2024-11-07 11:15:53,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7096774193548387
[2024-11-07 11:15:53,797 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 82 flow. Second operand 5 states and 110 transitions.
[2024-11-07 11:15:53,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 37 transitions, 151 flow
[2024-11-07 11:15:53,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 37 transitions, 142 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-07 11:15:53,798 INFO L231 Difference]: Finished difference. Result has 40 places, 28 transitions, 98 flow
[2024-11-07 11:15:53,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=98, PETRI_PLACES=40, PETRI_TRANSITIONS=28}
[2024-11-07 11:15:53,799 INFO L277 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places.
[2024-11-07 11:15:53,799 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 98 flow
[2024-11-07 11:15:53,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 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 11:15:53,799 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:15:53,799 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 11:15:53,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 11:15:53,800 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:15:53,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:15:53,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1406363561, now seen corresponding path program 1 times
[2024-11-07 11:15:53,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:15:53,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165743940]
[2024-11-07 11:15:53,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:15:53,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:15:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:15:53,924 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 11:15:53,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:15:53,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165743940]
[2024-11-07 11:15:53,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165743940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:15:53,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:15:53,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-07 11:15:53,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698047591]
[2024-11-07 11:15:53,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:15:53,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 11:15:53,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:15:53,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 11:15:53,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-07 11:15:53,944 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 31
[2024-11-07 11:15:53,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 98 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 11:15:53,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:15:53,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 31
[2024-11-07 11:15:53,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:15:54,053 INFO L124 PetriNetUnfolderBase]: 73/204 cut-off events.
[2024-11-07 11:15:54,053 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES.
[2024-11-07 11:15:54,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 204 events. 73/204 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 786 event pairs, 22 based on Foata normal form. 4/194 useless extension candidates. Maximal degree in co-relation 451. Up to 84 conditions per place.
[2024-11-07 11:15:54,055 INFO L140 encePairwiseOnDemand]: 25/31 looper letters, 19 selfloop transitions, 3 changer transitions 8/44 dead transitions.
[2024-11-07 11:15:54,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 198 flow
[2024-11-07 11:15:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 11:15:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-07 11:15:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 121 transitions.
[2024-11-07 11:15:54,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6505376344086021
[2024-11-07 11:15:54,057 INFO L175 Difference]: Start difference. First operand has 40 places, 28 transitions, 98 flow. Second operand 6 states and 121 transitions.
[2024-11-07 11:15:54,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 198 flow
[2024-11-07 11:15:54,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 164 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-07 11:15:54,058 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 95 flow
[2024-11-07 11:15:54,059 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=95, PETRI_PLACES=43, PETRI_TRANSITIONS=30}
[2024-11-07 11:15:54,059 INFO L277 CegarLoopForPetriNet]: 33 programPoint places, 10 predicate places.
[2024-11-07 11:15:54,059 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 95 flow
[2024-11-07 11:15:54,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 11:15:54,060 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:15:54,060 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 11:15:54,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 11:15:54,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:15:54,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:15:54,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1367405591, now seen corresponding path program 2 times
[2024-11-07 11:15:54,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:15:54,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229748137]
[2024-11-07 11:15:54,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:15:54,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:15:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:15:54,168 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 11:15:54,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:15:54,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229748137]
[2024-11-07 11:15:54,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229748137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:15:54,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:15:54,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-07 11:15:54,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407826709]
[2024-11-07 11:15:54,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:15:54,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 11:15:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:15:54,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 11:15:54,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-07 11:15:54,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 31
[2024-11-07 11:15:54,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 95 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 11:15:54,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:15:54,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 31
[2024-11-07 11:15:54,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:15:54,276 INFO L124 PetriNetUnfolderBase]: 65/186 cut-off events.
[2024-11-07 11:15:54,276 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES.
[2024-11-07 11:15:54,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 186 events. 65/186 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 773 event pairs, 14 based on Foata normal form. 4/177 useless extension candidates. Maximal degree in co-relation 395. Up to 54 conditions per place.
[2024-11-07 11:15:54,277 INFO L140 encePairwiseOnDemand]: 25/31 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions.
[2024-11-07 11:15:54,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 173 flow
[2024-11-07 11:15:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 11:15:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-07 11:15:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions.
[2024-11-07 11:15:54,279 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6236559139784946
[2024-11-07 11:15:54,279 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 95 flow. Second operand 6 states and 116 transitions.
[2024-11-07 11:15:54,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 173 flow
[2024-11-07 11:15:54,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 170 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-07 11:15:54,280 INFO L231 Difference]: Finished difference. Result has 42 places, 0 transitions, 0 flow
[2024-11-07 11:15:54,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=42, PETRI_TRANSITIONS=0}
[2024-11-07 11:15:54,280 INFO L277 CegarLoopForPetriNet]: 33 programPoint places, 9 predicate places.
[2024-11-07 11:15:54,281 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 0 transitions, 0 flow
[2024-11-07 11:15:54,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 11:15:54,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-07 11:15:54,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-07 11:15:54,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-07 11:15:54,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 11:15:54,284 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2024-11-07 11:15:54,286 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 11:15:54,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 11:15:54,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:15:54 BasicIcfg
[2024-11-07 11:15:54,290 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 11:15:54,291 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 11:15:54,291 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 11:15:54,291 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 11:15:54,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:52" (3/4) ...
[2024-11-07 11:15:54,293 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-07 11:15:54,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-07 11:15:54,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-07 11:15:54,298 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges
[2024-11-07 11:15:54,298 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-07 11:15:54,298 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-07 11:15:54,298 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 11:15:54,346 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 11:15:54,346 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 11:15:54,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 11:15:54,347 INFO L158 Benchmark]: Toolchain (without parser) took 2242.17ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 48.7MB in the end (delta: 42.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB.
[2024-11-07 11:15:54,347 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:15:54,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.20ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 71.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 11:15:54,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.53ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 11:15:54,348 INFO L158 Benchmark]: Boogie Preprocessor took 26.63ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:15:54,348 INFO L158 Benchmark]: RCFGBuilder took 285.30ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 52.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 11:15:54,348 INFO L158 Benchmark]: TraceAbstraction took 1539.39ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 52.3MB in the end (delta: -556.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:15:54,348 INFO L158 Benchmark]: Witness Printer took 55.82ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 48.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:15:54,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 304.20ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 71.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 24.53ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.63ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 285.30ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 52.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1539.39ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 52.3MB in the end (delta: -556.5kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 55.82ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 48.7MB in the end (delta: 3.6MB). 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 5 procedures, 49 locations, 3 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 264 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 22 mSDtfsCounter, 264 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=2, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 11:15:54,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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