./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
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/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '7aa541197ab3d76d3553dcc8603f5c865e8a029202164eb406db53a61111f080']
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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aa541197ab3d76d3553dcc8603f5c865e8a029202164eb406db53a61111f080
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 19:22:50,526 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 19:22:50,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-07 19:22:50,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 19:22:50,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 19:22:50,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 19:22:50,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 19:22:50,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 19:22:50,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 19:22:50,644 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 19:22:50,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 19:22:50,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 19:22:50,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 19:22:50,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 19:22:50,645 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 19:22:50,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 19:22:50,645 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 19:22:50,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 19:22:50,645 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 19:22:50,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 19:22:50,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 19:22:50,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 19:22:50,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 19:22:50,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 19:22:50,647 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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa541197ab3d76d3553dcc8603f5c865e8a029202164eb406db53a61111f080
[2024-11-07 19:22:50,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 19:22:50,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 19:22:50,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 19:22:50,965 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 19:22:50,966 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 19:22:50,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i
[2024-11-07 19:22:52,213 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 19:22:52,554 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 19:22:52,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_13-equ_proc_nr.i
[2024-11-07 19:22:52,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35134afe3/827f197a5e014e51ba0ceeba35539fa6/FLAG00c009184
[2024-11-07 19:22:52,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35134afe3/827f197a5e014e51ba0ceeba35539fa6
[2024-11-07 19:22:52,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 19:22:52,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 19:22:52,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 19:22:52,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 19:22:52,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 19:22:52,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:22:52" (1/1) ...
[2024-11-07 19:22:52,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2812d836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:52, skipping insertion in model container
[2024-11-07 19:22:52,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:22:52" (1/1) ...
[2024-11-07 19:22:52,837 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 19:22:53,156 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 19:22:53,172 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 19:22:53,217 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 19:22:53,276 INFO L204 MainTranslator]: Completed translation
[2024-11-07 19:22:53,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53 WrapperNode
[2024-11-07 19:22:53,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 19:22:53,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 19:22:53,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 19:22:53,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 19:22:53,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,316 INFO L138 Inliner]: procedures = 266, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52
[2024-11-07 19:22:53,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 19:22:53,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 19:22:53,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 19:22:53,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 19:22:53,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,340 INFO L175 MemorySlicer]: Split 14 memory accesses to 1 slices as follows [14]. 100 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [12]. The 2 writes are split as follows [2].
[2024-11-07 19:22:53,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 19:22:53,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 19:22:53,353 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 19:22:53,353 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 19:22:53,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (1/1) ...
[2024-11-07 19:22:53,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 19:22:53,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 19:22:53,378 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 19:22:53,381 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 19:22:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-07 19:22:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-07 19:22:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-07 19:22:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 19:22:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-07 19:22:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-07 19:22:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 19:22:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 19:22:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 19:22:53,406 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 19:22:53,518 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 19:22:53,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 19:22:53,661 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 19:22:53,661 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 19:22:53,782 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 19:22:53,783 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 19:22:53,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:53 BoogieIcfgContainer
[2024-11-07 19:22:53,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 19:22:53,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 19:22:53,785 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 19:22:53,790 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 19:22:53,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:22:52" (1/3) ...
[2024-11-07 19:22:53,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62dc48fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:22:53, skipping insertion in model container
[2024-11-07 19:22:53,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:53" (2/3) ...
[2024-11-07 19:22:53,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62dc48fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:22:53, skipping insertion in model container
[2024-11-07 19:22:53,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:53" (3/3) ...
[2024-11-07 19:22:53,793 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_13-equ_proc_nr.i
[2024-11-07 19:22:53,806 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 19:22:53,806 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2024-11-07 19:22:53,806 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 19:22:53,838 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-07 19:22:53,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 25 places, 21 transitions, 46 flow
[2024-11-07 19:22:53,897 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events.
[2024-11-07 19:22:53,901 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 19:22:53,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 20 events. 0/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 30 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-07 19:22:53,905 INFO L82 GeneralOperation]: Start removeDead. Operand has 25 places, 21 transitions, 46 flow
[2024-11-07 19:22:53,907 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 20 transitions, 43 flow
[2024-11-07 19:22:53,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 19:22:53,929 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=None, 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;@246e0dda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 19:22:53,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-07 19:22:53,935 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 19:22:53,935 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events.
[2024-11-07 19:22:53,935 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 19:22:53,935 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 19:22:53,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-07 19:22:53,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-07 19:22:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:22:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1340882196, now seen corresponding path program 1 times
[2024-11-07 19:22:53,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 19:22:53,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18025897]
[2024-11-07 19:22:53,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:22:53,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 19:22:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:22:54,226 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 19:22:54,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 19:22:54,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18025897]
[2024-11-07 19:22:54,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18025897] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:22:54,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:22:54,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 19:22:54,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938503882]
[2024-11-07 19:22:54,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:22:54,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:22:54,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 19:22:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:22:54,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:22:54,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 21
[2024-11-07 19:22:54,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:22:54,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 19:22:54,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 21
[2024-11-07 19:22:54,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 19:22:54,330 INFO L124 PetriNetUnfolderBase]: 21/67 cut-off events.
[2024-11-07 19:22:54,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 19:22:54,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 67 events. 21/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 220 event pairs, 21 based on Foata normal form. 7/67 useless extension candidates. Maximal degree in co-relation 117. Up to 54 conditions per place.
[2024-11-07 19:22:54,333 INFO L140 encePairwiseOnDemand]: 19/21 looper letters, 11 selfloop transitions, 1 changer transitions 0/19 dead transitions.
[2024-11-07 19:22:54,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 19 transitions, 65 flow
[2024-11-07 19:22:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:22:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-07 19:22:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions.
[2024-11-07 19:22:54,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5873015873015873
[2024-11-07 19:22:54,349 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 3 states and 37 transitions.
[2024-11-07 19:22:54,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 19 transitions, 65 flow
[2024-11-07 19:22:54,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 19 transitions, 64 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 19:22:54,356 INFO L231 Difference]: Finished difference. Result has 24 places, 19 transitions, 42 flow
[2024-11-07 19:22:54,358 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=24, PETRI_TRANSITIONS=19}
[2024-11-07 19:22:54,362 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places.
[2024-11-07 19:22:54,364 INFO L471 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 42 flow
[2024-11-07 19:22:54,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:22:54,364 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 19:22:54,364 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-07 19:22:54,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 19:22:54,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-07 19:22:54,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:22:54,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1340633723, now seen corresponding path program 1 times
[2024-11-07 19:22:54,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 19:22:54,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656839015]
[2024-11-07 19:22:54,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:22:54,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 19:22:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:22:54,645 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 19:22:54,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 19:22:54,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656839015]
[2024-11-07 19:22:54,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656839015] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:22:54,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:22:54,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 19:22:54,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118709318]
[2024-11-07 19:22:54,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:22:54,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:22:54,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 19:22:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:22:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:22:54,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 21
[2024-11-07 19:22:54,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 19 transitions, 42 flow. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 19:22:54,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 19:22:54,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 21
[2024-11-07 19:22:54,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 19:22:54,757 INFO L124 PetriNetUnfolderBase]: 21/65 cut-off events.
[2024-11-07 19:22:54,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 19:22:54,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 65 events. 21/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 212 event pairs, 15 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 119. Up to 40 conditions per place.
[2024-11-07 19:22:54,758 INFO L140 encePairwiseOnDemand]: 16/21 looper letters, 12 selfloop transitions, 4 changer transitions 2/24 dead transitions.
[2024-11-07 19:22:54,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 24 transitions, 88 flow
[2024-11-07 19:22:54,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:22:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 19:22:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions.
[2024-11-07 19:22:54,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6071428571428571
[2024-11-07 19:22:54,760 INFO L175 Difference]: Start difference. First operand has 24 places, 19 transitions, 42 flow. Second operand 4 states and 51 transitions.
[2024-11-07 19:22:54,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 24 transitions, 88 flow
[2024-11-07 19:22:54,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 24 transitions, 87 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 19:22:54,761 INFO L231 Difference]: Finished difference. Result has 25 places, 18 transitions, 47 flow
[2024-11-07 19:22:54,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=39, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=47, PETRI_PLACES=25, PETRI_TRANSITIONS=18}
[2024-11-07 19:22:54,761 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 1 predicate places.
[2024-11-07 19:22:54,762 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 18 transitions, 47 flow
[2024-11-07 19:22:54,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 19:22:54,762 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 19:22:54,762 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-07 19:22:54,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 19:22:54,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-07 19:22:54,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:22:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1340633724, now seen corresponding path program 1 times
[2024-11-07 19:22:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 19:22:54,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984453703]
[2024-11-07 19:22:54,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:22:54,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 19:22:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:22:55,137 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 19:22:55,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 19:22:55,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984453703]
[2024-11-07 19:22:55,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984453703] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:22:55,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:22:55,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 19:22:55,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402309553]
[2024-11-07 19:22:55,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:22:55,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:22:55,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 19:22:55,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:22:55,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:22:55,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 21
[2024-11-07 19:22:55,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 47 flow. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 19:22:55,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 19:22:55,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 21
[2024-11-07 19:22:55,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 19:22:55,236 INFO L124 PetriNetUnfolderBase]: 21/61 cut-off events.
[2024-11-07 19:22:55,236 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-07 19:22:55,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 61 events. 21/61 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 193 event pairs, 15 based on Foata normal form. 4/61 useless extension candidates. Maximal degree in co-relation 127. Up to 40 conditions per place.
[2024-11-07 19:22:55,237 INFO L140 encePairwiseOnDemand]: 16/21 looper letters, 12 selfloop transitions, 4 changer transitions 2/23 dead transitions.
[2024-11-07 19:22:55,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 23 transitions, 93 flow
[2024-11-07 19:22:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:22:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 19:22:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions.
[2024-11-07 19:22:55,239 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6071428571428571
[2024-11-07 19:22:55,239 INFO L175 Difference]: Start difference. First operand has 25 places, 18 transitions, 47 flow. Second operand 4 states and 51 transitions.
[2024-11-07 19:22:55,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 23 transitions, 93 flow
[2024-11-07 19:22:55,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 85 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-07 19:22:55,241 INFO L231 Difference]: Finished difference. Result has 24 places, 17 transitions, 45 flow
[2024-11-07 19:22:55,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=45, PETRI_PLACES=24, PETRI_TRANSITIONS=17}
[2024-11-07 19:22:55,242 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places.
[2024-11-07 19:22:55,242 INFO L471 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 45 flow
[2024-11-07 19:22:55,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 19:22:55,243 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 19:22:55,243 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-07 19:22:55,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 19:22:55,243 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-07 19:22:55,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:22:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1340882197, now seen corresponding path program 1 times
[2024-11-07 19:22:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 19:22:55,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845276264]
[2024-11-07 19:22:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:22:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 19:22:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:22:55,330 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 19:22:55,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 19:22:55,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845276264]
[2024-11-07 19:22:55,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845276264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:22:55,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:22:55,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 19:22:55,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810634939]
[2024-11-07 19:22:55,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:22:55,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:22:55,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 19:22:55,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:22:55,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:22:55,354 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 21
[2024-11-07 19:22:55,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:22:55,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 19:22:55,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 21
[2024-11-07 19:22:55,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 19:22:55,395 INFO L124 PetriNetUnfolderBase]: 21/60 cut-off events.
[2024-11-07 19:22:55,396 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-07 19:22:55,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 60 events. 21/60 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 182 event pairs, 21 based on Foata normal form. 7/64 useless extension candidates. Maximal degree in co-relation 126. Up to 54 conditions per place.
[2024-11-07 19:22:55,399 INFO L140 encePairwiseOnDemand]: 19/21 looper letters, 10 selfloop transitions, 1 changer transitions 1/16 dead transitions.
[2024-11-07 19:22:55,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 16 transitions, 67 flow
[2024-11-07 19:22:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:22:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-07 19:22:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions.
[2024-11-07 19:22:55,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5873015873015873
[2024-11-07 19:22:55,400 INFO L175 Difference]: Start difference. First operand has 24 places, 17 transitions, 45 flow. Second operand 3 states and 37 transitions.
[2024-11-07 19:22:55,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 16 transitions, 67 flow
[2024-11-07 19:22:55,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 16 transitions, 59 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-07 19:22:55,401 INFO L231 Difference]: Finished difference. Result has 22 places, 15 transitions, 35 flow
[2024-11-07 19:22:55,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=35, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=35, PETRI_PLACES=22, PETRI_TRANSITIONS=15}
[2024-11-07 19:22:55,401 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places.
[2024-11-07 19:22:55,402 INFO L471 AbstractCegarLoop]: Abstraction has has 22 places, 15 transitions, 35 flow
[2024-11-07 19:22:55,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:22:55,402 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 19:22:55,402 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:22:55,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 19:22:55,402 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-07 19:22:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:22:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash -81436623, now seen corresponding path program 1 times
[2024-11-07 19:22:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 19:22:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179991950]
[2024-11-07 19:22:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:22:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 19:22:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:22:55,436 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 19:22:55,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 19:22:55,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179991950]
[2024-11-07 19:22:55,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179991950] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:22:55,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:22:55,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 19:22:55,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103177599]
[2024-11-07 19:22:55,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:22:55,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:22:55,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 19:22:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:22:55,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:22:55,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 21
[2024-11-07 19:22:55,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 15 transitions, 35 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 19:22:55,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 19:22:55,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 21
[2024-11-07 19:22:55,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 19:22:55,470 INFO L124 PetriNetUnfolderBase]: 18/50 cut-off events.
[2024-11-07 19:22:55,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 19:22:55,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 50 events. 18/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 139 event pairs, 18 based on Foata normal form. 4/51 useless extension candidates. Maximal degree in co-relation 97. Up to 47 conditions per place.
[2024-11-07 19:22:55,471 INFO L140 encePairwiseOnDemand]: 19/21 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions.
[2024-11-07 19:22:55,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 14 transitions, 55 flow
[2024-11-07 19:22:55,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:22:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-07 19:22:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions.
[2024-11-07 19:22:55,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714
[2024-11-07 19:22:55,472 INFO L175 Difference]: Start difference. First operand has 22 places, 15 transitions, 35 flow. Second operand 3 states and 36 transitions.
[2024-11-07 19:22:55,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 14 transitions, 55 flow
[2024-11-07 19:22:55,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 14 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 19:22:55,473 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow
[2024-11-07 19:22:55,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0}
[2024-11-07 19:22:55,474 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places.
[2024-11-07 19:22:55,474 INFO L471 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow
[2024-11-07 19:22:55,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 19:22:55,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 8 remaining)
[2024-11-07 19:22:55,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 8 remaining)
[2024-11-07 19:22:55,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining)
[2024-11-07 19:22:55,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining)
[2024-11-07 19:22:55,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 8 remaining)
[2024-11-07 19:22:55,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 8 remaining)
[2024-11-07 19:22:55,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 8 remaining)
[2024-11-07 19:22:55,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 8 remaining)
[2024-11-07 19:22:55,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-07 19:22:55,477 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-07 19:22:55,484 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 19:22:55,485 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 19:22:55,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:22:55 BasicIcfg
[2024-11-07 19:22:55,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 19:22:55,492 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 19:22:55,492 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 19:22:55,494 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 19:22:55,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:53" (3/4) ...
[2024-11-07 19:22:55,496 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-07 19:22:55,498 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2024-11-07 19:22:55,501 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges
[2024-11-07 19:22:55,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-07 19:22:55,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-07 19:22:55,572 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 19:22:55,572 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 19:22:55,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 19:22:55,573 INFO L158 Benchmark]: Toolchain (without parser) took 2778.20ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 54.0MB in the end (delta: 21.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB.
[2024-11-07 19:22:55,574 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 19:22:55,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.62ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 47.8MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 19:22:55,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.39ms. Allocated memory is still 100.7MB. Free memory was 47.8MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 19:22:55,575 INFO L158 Benchmark]: Boogie Preprocessor took 35.37ms. Allocated memory is still 100.7MB. Free memory was 45.9MB in the beginning and 44.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 19:22:55,577 INFO L158 Benchmark]: RCFGBuilder took 430.70ms. Allocated memory is still 100.7MB. Free memory was 44.2MB in the beginning and 55.7MB in the end (delta: -11.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
[2024-11-07 19:22:55,577 INFO L158 Benchmark]: TraceAbstraction took 1706.27ms. Allocated memory is still 100.7MB. Free memory was 55.3MB in the beginning and 58.9MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 19:22:55,579 INFO L158 Benchmark]: Witness Printer took 80.53ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 54.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 19:22:55,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.86ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 480.62ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 47.8MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.39ms. Allocated memory is still 100.7MB. Free memory was 47.8MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.37ms. Allocated memory is still 100.7MB. Free memory was 45.9MB in the beginning and 44.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 430.70ms. Allocated memory is still 100.7MB. Free memory was 44.2MB in the beginning and 55.7MB in the end (delta: -11.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1706.27ms. Allocated memory is still 100.7MB. Free memory was 55.3MB in the beginning and 58.9MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 80.53ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 54.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 1001]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 32 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 0.9s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-07 19:22:55,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE