./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --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/weaver/chl-simpl-str-symm.wvr.c', '-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', '86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9']
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/weaver/chl-simpl-str-symm.wvr.c -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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 11:23:55,076 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 11:23:55,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 11:23:55,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 11:23:55,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 11:23:55,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 11:23:55,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 11:23:55,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 11:23:55,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 11:23:55,205 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 11:23:55,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 11:23:55,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 11:23:55,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 11:23:55,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 11:23:55,207 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 11:23:55,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 11:23:55,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 11:23:55,208 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 11:23:55,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 11:23:55,208 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 11:23:55,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 11:23:55,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 11:23:55,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 11:23:55,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 11:23:55,209 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 11:23:55,209 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 11:23:55,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 11:23:55,209 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 11:23:55,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 11:23:55,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 11:23:55,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 11:23:55,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 11:23:55,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:23:55,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 11:23:55,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 11:23:55,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 11:23:55,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 11:23:55,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 11:23:55,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 11:23:55,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 11:23:55,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 11:23:55,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 11:23:55,212 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 -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9
[2024-11-07 11:23:55,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 11:23:55,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 11:23:55,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 11:23:55,502 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 11:23:55,502 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 11:23:55,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c
[2024-11-07 11:23:56,777 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 11:23:56,995 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 11:23:56,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c
[2024-11-07 11:23:57,002 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/153a2cc18/62c50fd4cd6f4190bf58c1e772c7a221/FLAG6ae2f84e0
[2024-11-07 11:23:57,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/153a2cc18/62c50fd4cd6f4190bf58c1e772c7a221
[2024-11-07 11:23:57,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 11:23:57,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 11:23:57,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 11:23:57,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 11:23:57,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 11:23:57,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7538e561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57, skipping insertion in model container
[2024-11-07 11:23:57,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,055 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 11:23:57,203 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/weaver/chl-simpl-str-symm.wvr.c[2329,2342]
[2024-11-07 11:23:57,211 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:23:57,221 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 11:23:57,238 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/weaver/chl-simpl-str-symm.wvr.c[2329,2342]
[2024-11-07 11:23:57,240 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:23:57,253 INFO L204 MainTranslator]: Completed translation
[2024-11-07 11:23:57,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57 WrapperNode
[2024-11-07 11:23:57,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 11:23:57,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 11:23:57,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 11:23:57,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 11:23:57,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,282 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 115
[2024-11-07 11:23:57,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 11:23:57,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 11:23:57,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 11:23:57,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 11:23:57,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,303 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 11:23:57,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 11:23:57,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 11:23:57,323 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 11:23:57,323 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 11:23:57,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (1/1) ...
[2024-11-07 11:23:57,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:23:57,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 11:23:57,352 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 11:23:57,359 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 11:23:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 11:23:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-07 11:23:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-07 11:23:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-07 11:23:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-07 11:23:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 11:23:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 11:23:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 11:23:57,383 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 11:23:57,456 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 11:23:57,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 11:23:57,673 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 11:23:57,673 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 11:23:57,950 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 11:23:57,952 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 11:23:57,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:23:57 BoogieIcfgContainer
[2024-11-07 11:23:57,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 11:23:57,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 11:23:57,955 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 11:23:57,959 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 11:23:57,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:23:57" (1/3) ...
[2024-11-07 11:23:57,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1427d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:23:57, skipping insertion in model container
[2024-11-07 11:23:57,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:57" (2/3) ...
[2024-11-07 11:23:57,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1427d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:23:57, skipping insertion in model container
[2024-11-07 11:23:57,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:23:57" (3/3) ...
[2024-11-07 11:23:57,963 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c
[2024-11-07 11:23:57,977 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 11:23:57,977 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 11:23:57,977 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 11:23:58,023 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-07 11:23:58,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 14 transitions, 42 flow
[2024-11-07 11:23:58,089 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events.
[2024-11-07 11:23:58,092 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-07 11:23:58,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 12 events. 0/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place.
[2024-11-07 11:23:58,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 14 transitions, 42 flow
[2024-11-07 11:23:58,098 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 11 transitions, 34 flow
[2024-11-07 11:23:58,108 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 11:23:58,121 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;@5fd6a010, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 11:23:58,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-07 11:23:58,134 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 11:23:58,136 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events.
[2024-11-07 11:23:58,136 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-07 11:23:58,136 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:23:58,137 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:23:58,138 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 11:23:58,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:23:58,143 INFO L85 PathProgramCache]: Analyzing trace with hash -505272939, now seen corresponding path program 1 times
[2024-11-07 11:23:58,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:23:58,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383075332]
[2024-11-07 11:23:58,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:23:58,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:23:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:23:59,218 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 11:23:59,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:23:59,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383075332]
[2024-11-07 11:23:59,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383075332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:23:59,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:23:59,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 11:23:59,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123403524]
[2024-11-07 11:23:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:23:59,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 11:23:59,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:23:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 11:23:59,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 11:23:59,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 14
[2024-11-07 11:23:59,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:23:59,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:23:59,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 14
[2024-11-07 11:23:59,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:23:59,378 INFO L124 PetriNetUnfolderBase]: 7/29 cut-off events.
[2024-11-07 11:23:59,379 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-07 11:23:59,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 29 events. 7/29 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 42. Up to 10 conditions per place.
[2024-11-07 11:23:59,381 INFO L140 encePairwiseOnDemand]: 10/14 looper letters, 12 selfloop transitions, 3 changer transitions 5/21 dead transitions.
[2024-11-07 11:23:59,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 106 flow
[2024-11-07 11:23:59,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 11:23:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 11:23:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions.
[2024-11-07 11:23:59,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5142857142857142
[2024-11-07 11:23:59,397 INFO L175 Difference]: Start difference. First operand has 18 places, 11 transitions, 34 flow. Second operand 5 states and 36 transitions.
[2024-11-07 11:23:59,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 106 flow
[2024-11-07 11:23:59,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 21 transitions, 90 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-07 11:23:59,404 INFO L231 Difference]: Finished difference. Result has 19 places, 11 transitions, 34 flow
[2024-11-07 11:23:59,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=34, PETRI_PLACES=19, PETRI_TRANSITIONS=11}
[2024-11-07 11:23:59,411 INFO L277 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places.
[2024-11-07 11:23:59,412 INFO L471 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 34 flow
[2024-11-07 11:23:59,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:23:59,412 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:23:59,413 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:23:59,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 11:23:59,413 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 11:23:59,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:23:59,414 INFO L85 PathProgramCache]: Analyzing trace with hash 858555519, now seen corresponding path program 2 times
[2024-11-07 11:23:59,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:23:59,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937163622]
[2024-11-07 11:23:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:23:59,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:23:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:24:00,042 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 11:24:00,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:24:00,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937163622]
[2024-11-07 11:24:00,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937163622] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:24:00,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:24:00,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 11:24:00,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60220282]
[2024-11-07 11:24:00,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:24:00,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 11:24:00,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:24:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 11:24:00,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 11:24:00,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 14
[2024-11-07 11:24:00,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:24:00,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:24:00,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 14
[2024-11-07 11:24:00,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:24:00,137 INFO L124 PetriNetUnfolderBase]: 5/19 cut-off events.
[2024-11-07 11:24:00,137 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-11-07 11:24:00,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 19 events. 5/19 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/20 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place.
[2024-11-07 11:24:00,137 INFO L140 encePairwiseOnDemand]: 10/14 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions.
[2024-11-07 11:24:00,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 14 transitions, 68 flow
[2024-11-07 11:24:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 11:24:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 11:24:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions.
[2024-11-07 11:24:00,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855
[2024-11-07 11:24:00,140 INFO L175 Difference]: Start difference. First operand has 19 places, 11 transitions, 34 flow. Second operand 5 states and 30 transitions.
[2024-11-07 11:24:00,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 14 transitions, 68 flow
[2024-11-07 11:24:00,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 14 transitions, 66 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 11:24:00,140 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow
[2024-11-07 11:24:00,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0}
[2024-11-07 11:24:00,141 INFO L277 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places.
[2024-11-07 11:24:00,141 INFO L471 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow
[2024-11-07 11:24:00,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:24:00,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-07 11:24:00,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-07 11:24:00,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-07 11:24:00,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 11:24:00,146 INFO L407 BasicCegarLoop]: Path program histogram: [2]
[2024-11-07 11:24:00,150 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 11:24:00,150 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 11:24:00,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:24:00 BasicIcfg
[2024-11-07 11:24:00,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 11:24:00,159 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 11:24:00,160 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 11:24:00,160 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 11:24:00,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:23:57" (3/4) ...
[2024-11-07 11:24:00,162 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-07 11:24:00,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-07 11:24:00,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-07 11:24:00,169 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges
[2024-11-07 11:24:00,171 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-07 11:24:00,171 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-07 11:24:00,172 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-07 11:24:00,239 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 11:24:00,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 11:24:00,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 11:24:00,241 INFO L158 Benchmark]: Toolchain (without parser) took 3211.72ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 76.9MB in the beginning and 42.5MB in the end (delta: 34.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB.
[2024-11-07 11:24:00,242 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:24:00,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.20ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 65.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 11:24:00,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.80ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:24:00,244 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 11:24:00,244 INFO L158 Benchmark]: RCFGBuilder took 629.71ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 57.5MB in the end (delta: 4.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB.
[2024-11-07 11:24:00,244 INFO L158 Benchmark]: TraceAbstraction took 2203.99ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 57.0MB in the beginning and 46.6MB in the end (delta: 10.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB.
[2024-11-07 11:24:00,245 INFO L158 Benchmark]: Witness Printer took 80.55ms. Allocated memory is still 125.8MB. Free memory was 46.6MB in the beginning and 42.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:24:00,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.78ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 224.20ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 65.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.80ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 38.15ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 629.71ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 57.5MB in the end (delta: 4.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 2203.99ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 57.0MB in the beginning and 46.6MB in the end (delta: 10.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB.
* Witness Printer took 80.55ms. Allocated memory is still 125.8MB. Free memory was 46.6MB in the beginning and 42.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 72]: 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, 21 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: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 1.4s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 11:24:00,278 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