./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.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/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.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', '206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7']
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/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.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 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 11:17:44,613 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 11:17:44,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 11:17:44,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 11:17:44,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 11:17:44,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 11:17:44,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 11:17:44,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 11:17:44,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 11:17:44,739 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 11:17:44,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 11:17:44,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 11:17:44,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 11:17:44,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 11:17:44,740 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 11:17:44,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 11:17:44,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 11:17:44,740 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 11:17:44,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 11:17:44,741 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 11:17:44,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:17:44,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 11:17:44,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 11:17:44,742 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 -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7
[2024-11-07 11:17:45,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 11:17:45,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 11:17:45,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 11:17:45,014 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 11:17:45,014 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 11:17:45,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i
[2024-11-07 11:17:46,364 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 11:17:46,672 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 11:17:46,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i
[2024-11-07 11:17:46,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb316278f/51b470308a1441a0a2c3290cfa1eb00d/FLAG9a33f6065
[2024-11-07 11:17:46,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb316278f/51b470308a1441a0a2c3290cfa1eb00d
[2024-11-07 11:17:46,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 11:17:46,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 11:17:46,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 11:17:46,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 11:17:46,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 11:17:46,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:17:46" (1/1) ...
[2024-11-07 11:17:46,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8b4ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:46, skipping insertion in model container
[2024-11-07 11:17:46,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:17:46" (1/1) ...
[2024-11-07 11:17:46,761 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 11:17:46,903 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/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116]
[2024-11-07 11:17:47,013 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:17:47,032 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 11:17:47,046 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/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116]
[2024-11-07 11:17:47,083 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:17:47,126 INFO L204 MainTranslator]: Completed translation
[2024-11-07 11:17:47,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47 WrapperNode
[2024-11-07 11:17:47,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 11:17:47,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 11:17:47,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 11:17:47,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 11:17:47,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,171 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45
[2024-11-07 11:17:47,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 11:17:47,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 11:17:47,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 11:17:47,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 11:17:47,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,197 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0].
[2024-11-07 11:17:47,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 11:17:47,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 11:17:47,216 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 11:17:47,216 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 11:17:47,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (1/1) ...
[2024-11-07 11:17:47,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:17:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 11:17:47,247 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 11:17:47,254 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 11:17:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-07 11:17:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-07 11:17:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 11:17:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 11:17:47,273 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 11:17:47,382 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 11:17:47,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 11:17:47,526 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 11:17:47,526 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 11:17:47,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 11:17:47,657 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 11:17:47,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:17:47 BoogieIcfgContainer
[2024-11-07 11:17:47,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 11:17:47,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 11:17:47,661 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 11:17:47,665 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 11:17:47,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:17:46" (1/3) ...
[2024-11-07 11:17:47,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf847ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:17:47, skipping insertion in model container
[2024-11-07 11:17:47,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:17:47" (2/3) ...
[2024-11-07 11:17:47,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf847ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:17:47, skipping insertion in model container
[2024-11-07 11:17:47,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:17:47" (3/3) ...
[2024-11-07 11:17:47,669 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i
[2024-11-07 11:17:47,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 11:17:47,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 11:17:47,681 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 11:17:47,716 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-07 11:17:47,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 28 transitions, 63 flow
[2024-11-07 11:17:47,777 INFO L124 PetriNetUnfolderBase]: 1/27 cut-off events.
[2024-11-07 11:17:47,779 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-07 11:17:47,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 27 events. 1/27 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place.
[2024-11-07 11:17:47,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 28 transitions, 63 flow
[2024-11-07 11:17:47,785 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 20 transitions, 43 flow
[2024-11-07 11:17:47,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 11:17:47,802 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;@2a5a6afe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 11:17:47,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 11:17:47,812 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 11:17:47,813 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events.
[2024-11-07 11:17:47,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 11:17:47,814 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:17:47,814 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:17:47,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:17:47,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:17:47,818 INFO L85 PathProgramCache]: Analyzing trace with hash 788210750, now seen corresponding path program 1 times
[2024-11-07 11:17:47,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:17:47,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659132658]
[2024-11-07 11:17:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:17:47,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:17:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:17:48,132 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 11:17:48,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:17:48,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659132658]
[2024-11-07 11:17:48,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659132658] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:17:48,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:17:48,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 11:17:48,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762061783]
[2024-11-07 11:17:48,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:17:48,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 11:17:48,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:17:48,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 11:17:48,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 11:17:48,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 28
[2024-11-07 11:17:48,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 11:17:48,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:17:48,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 28
[2024-11-07 11:17:48,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:17:48,337 INFO L124 PetriNetUnfolderBase]: 32/101 cut-off events.
[2024-11-07 11:17:48,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 11:17:48,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 101 events. 32/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 302 event pairs, 16 based on Foata normal form. 10/110 useless extension candidates. Maximal degree in co-relation 184. Up to 46 conditions per place.
[2024-11-07 11:17:48,340 INFO L140 encePairwiseOnDemand]: 23/28 looper letters, 15 selfloop transitions, 3 changer transitions 10/33 dead transitions.
[2024-11-07 11:17:48,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 33 transitions, 125 flow
[2024-11-07 11:17:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 11:17:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 11:17:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions.
[2024-11-07 11:17:48,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143
[2024-11-07 11:17:48,360 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 5 states and 65 transitions.
[2024-11-07 11:17:48,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 33 transitions, 125 flow
[2024-11-07 11:17:48,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 33 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 11:17:48,369 INFO L231 Difference]: Finished difference. Result has 30 places, 20 transitions, 57 flow
[2024-11-07 11:17:48,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=57, PETRI_PLACES=30, PETRI_TRANSITIONS=20}
[2024-11-07 11:17:48,375 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 6 predicate places.
[2024-11-07 11:17:48,376 INFO L471 AbstractCegarLoop]: Abstraction has has 30 places, 20 transitions, 57 flow
[2024-11-07 11:17:48,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 11:17:48,376 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:17:48,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:17:48,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 11:17:48,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:17:48,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:17:48,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1656610497, now seen corresponding path program 1 times
[2024-11-07 11:17:48,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:17:48,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468046643]
[2024-11-07 11:17:48,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:17:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:17:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:17:48,506 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 11:17:48,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:17:48,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468046643]
[2024-11-07 11:17:48,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468046643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:17:48,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:17:48,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 11:17:48,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417338563]
[2024-11-07 11:17:48,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:17:48,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 11:17:48,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:17:48,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 11:17:48,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 11:17:48,510 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 28
[2024-11-07 11:17:48,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 20 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:17:48,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 11:17:48,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 28
[2024-11-07 11:17:48,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 11:17:48,576 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events.
[2024-11-07 11:17:48,576 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-07 11:17:48,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 47 events. 11/47 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 5 based on Foata normal form. 7/51 useless extension candidates. Maximal degree in co-relation 96. Up to 21 conditions per place.
[2024-11-07 11:17:48,577 INFO L140 encePairwiseOnDemand]: 22/28 looper letters, 7 selfloop transitions, 3 changer transitions 9/24 dead transitions.
[2024-11-07 11:17:48,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 101 flow
[2024-11-07 11:17:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 11:17:48,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-07 11:17:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions.
[2024-11-07 11:17:48,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714
[2024-11-07 11:17:48,580 INFO L175 Difference]: Start difference. First operand has 30 places, 20 transitions, 57 flow. Second operand 3 states and 48 transitions.
[2024-11-07 11:17:48,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 101 flow
[2024-11-07 11:17:48,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 91 flow, removed 2 selfloop flow, removed 4 redundant places.
[2024-11-07 11:17:48,581 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 40 flow
[2024-11-07 11:17:48,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=14}
[2024-11-07 11:17:48,582 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places.
[2024-11-07 11:17:48,582 INFO L471 AbstractCegarLoop]: Abstraction has has 26 places, 14 transitions, 40 flow
[2024-11-07 11:17:48,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:17:48,582 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 11:17:48,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 11:17:48,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 11:17:48,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-07 11:17:48,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:17:48,585 INFO L85 PathProgramCache]: Analyzing trace with hash -888231877, now seen corresponding path program 1 times
[2024-11-07 11:17:48,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:17:48,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89339479]
[2024-11-07 11:17:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:17:48,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:17:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 11:17:48,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 11:17:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 11:17:48,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 11:17:48,658 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 11:17:48,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-11-07 11:17:48,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-07 11:17:48,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 11:17:48,661 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-07 11:17:48,685 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 11:17:48,685 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 11:17:48,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:17:48 BasicIcfg
[2024-11-07 11:17:48,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 11:17:48,690 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 11:17:48,690 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 11:17:48,690 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 11:17:48,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:17:47" (3/4) ...
[2024-11-07 11:17:48,692 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-07 11:17:48,732 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 11:17:48,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 11:17:48,733 INFO L158 Benchmark]: Toolchain (without parser) took 2014.98ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 46.0MB in the end (delta: 29.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2024-11-07 11:17:48,733 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:17:48,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.35ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 56.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 11:17:48,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.33ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 54.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:17:48,736 INFO L158 Benchmark]: Boogie Preprocessor took 42.37ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 11:17:48,736 INFO L158 Benchmark]: RCFGBuilder took 441.33ms. Allocated memory is still 100.7MB. Free memory was 53.1MB in the beginning and 68.4MB in the end (delta: -15.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2024-11-07 11:17:48,738 INFO L158 Benchmark]: TraceAbstraction took 1028.28ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 49.0MB in the end (delta: 19.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB.
[2024-11-07 11:17:48,739 INFO L158 Benchmark]: Witness Printer took 42.39ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 46.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 11:17:48,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 408.35ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 56.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.33ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 54.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.37ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 441.33ms. Allocated memory is still 100.7MB. Free memory was 53.1MB in the beginning and 68.4MB in the end (delta: -15.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 1028.28ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 49.0MB in the end (delta: 19.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB.
* Witness Printer took 42.39ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 46.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L681] 0 int glob1 = 0;
[L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L696] 0 pthread_t id;
[L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}]
[L687] 1 glob1 = 5
VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}]
[L699] CALL 0 __VERIFIER_assert(!(glob1 == 5))
[L19] COND TRUE 0 !(cond)
VAL [\old(arg)={0:0}, \old(cond)=0, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}]
[L19] 0 reach_error()
VAL [\old(arg)={0:0}, \old(cond)=0, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}]
- UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 43 locations, 2 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=1, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-07 11:17:48,761 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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE