./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for overflows
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/ldv-sets/test_mutex_unbounded-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f']
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/ldv-sets/test_mutex_unbounded-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 20:02:06,165 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 20:02:06,237 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-07 20:02:06,243 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 20:02:06,243 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 20:02:06,265 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 20:02:06,266 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 20:02:06,266 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 20:02:06,266 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 20:02:06,266 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 20:02:06,266 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 20:02:06,267 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 20:02:06,267 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 20:02:06,267 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 20:02:06,267 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 20:02:06,267 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 20:02:06,268 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 20:02:06,269 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 20:02:06,269 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 20:02:06,269 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 20:02:06,269 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 20:02:06,269 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 20:02:06,269 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 20:02:06,269 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 20:02:06,272 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 20:02:06,272 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 20:02:06,273 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 20:02:06,273 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 20:02:06,273 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 20:02:06,273 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 ! overflow) )


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 -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f
[2024-11-07 20:02:06,562 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 20:02:06,572 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 20:02:06,574 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 20:02:06,576 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 20:02:06,576 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 20:02:06,578 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i
[2024-11-07 20:02:07,853 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 20:02:08,110 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 20:02:08,111 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i
[2024-11-07 20:02:08,124 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2566d2b85/cbb6aab9c84144febc2c6f7c29a28a4a/FLAG39bdd2077
[2024-11-07 20:02:08,145 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2566d2b85/cbb6aab9c84144febc2c6f7c29a28a4a
[2024-11-07 20:02:08,147 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 20:02:08,149 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 20:02:08,152 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 20:02:08,152 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 20:02:08,156 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 20:02:08,157 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,160 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1689a607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08, skipping insertion in model container
[2024-11-07 20:02:08,160 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,202 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 20:02:08,491 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 20:02:08,499 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 20:02:08,553 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 20:02:08,594 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 20:02:08,594 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08 WrapperNode
[2024-11-07 20:02:08,595 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 20:02:08,596 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 20:02:08,596 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 20:02:08,597 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 20:02:08,603 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,622 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,659 INFO  L138                Inliner]: procedures = 142, calls = 66, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 189
[2024-11-07 20:02:08,660 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 20:02:08,661 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 20:02:08,661 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 20:02:08,662 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 20:02:08,670 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,670 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,678 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,726 INFO  L175           MemorySlicer]: Split 28 memory accesses to 2 slices as follows [2, 26]. 93 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 7 writes are split as follows [0, 7].
[2024-11-07 20:02:08,726 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,727 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,741 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,747 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,750 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,754 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,757 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 20:02:08,762 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 20:02:08,762 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 20:02:08,762 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 20:02:08,763 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (1/1) ...
[2024-11-07 20:02:08,776 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 20:02:08,789 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:02:08,804 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 20:02:08,811 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 20:02:08,834 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-11-07 20:02:08,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-11-07 20:02:08,834 INFO  L130     BoogieDeclarations]: Found specification of procedure __ldv_list_add
[2024-11-07 20:02:08,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure __ldv_list_add
[2024-11-07 20:02:08,834 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_list_add
[2024-11-07 20:02:08,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_list_add
[2024-11-07 20:02:08,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-07 20:02:08,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 20:02:08,836 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-07 20:02:08,836 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-07 20:02:08,836 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_in_set
[2024-11-07 20:02:08,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_in_set
[2024-11-07 20:02:08,836 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-07 20:02:08,836 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-07 20:02:08,836 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_list_del
[2024-11-07 20:02:08,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_list_del
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_successful_malloc
[2024-11-07 20:02:08,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc
[2024-11-07 20:02:08,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 20:02:08,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 20:02:09,001 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 20:02:09,003 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 20:02:09,330 INFO  L?                        ?]: Removed 75 outVars from TransFormulas that were not future-live.
[2024-11-07 20:02:09,331 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 20:02:09,340 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 20:02:09,340 INFO  L316             CfgBuilder]: Removed 5 assume(true) statements.
[2024-11-07 20:02:09,341 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:09 BoogieIcfgContainer
[2024-11-07 20:02:09,341 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 20:02:09,343 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 20:02:09,343 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 20:02:09,348 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 20:02:09,348 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:02:08" (1/3) ...
[2024-11-07 20:02:09,348 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7339d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:09, skipping insertion in model container
[2024-11-07 20:02:09,349 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:08" (2/3) ...
[2024-11-07 20:02:09,349 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7339d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:09, skipping insertion in model container
[2024-11-07 20:02:09,349 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:09" (3/3) ...
[2024-11-07 20:02:09,350 INFO  L112   eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded-2.i
[2024-11-07 20:02:09,362 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 20:02:09,362 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 20:02:09,411 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 20:02:09,424 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;@690edbd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 20:02:09,425 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 20:02:09,430 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 86 states, 64 states have (on average 1.3125) internal successors, (84), 66 states have internal predecessors, (84), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 20:02:09,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-07 20:02:09,439 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:02:09,439 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:02:09,440 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:02:09,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:02:09,444 INFO  L85        PathProgramCache]: Analyzing trace with hash -1904117342, now seen corresponding path program 1 times
[2024-11-07 20:02:09,451 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:02:09,451 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672417917]
[2024-11-07 20:02:09,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:09,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:02:09,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:09,674 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-07 20:02:09,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:09,715 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-07 20:02:09,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:09,758 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:09,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:09,795 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 20:02:09,796 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:02:09,797 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672417917]
[2024-11-07 20:02:09,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672417917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:02:09,798 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:02:09,800 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 20:02:09,801 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664248894]
[2024-11-07 20:02:09,802 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:02:09,805 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 20:02:09,807 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:02:09,825 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 20:02:09,826 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:02:09,828 INFO  L87              Difference]: Start difference. First operand  has 86 states, 64 states have (on average 1.3125) internal successors, (84), 66 states have internal predecessors, (84), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand  has 4 states, 4 states have (on average 4.25) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-07 20:02:10,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:02:10,087 INFO  L93              Difference]: Finished difference Result 164 states and 218 transitions.
[2024-11-07 20:02:10,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 20:02:10,090 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.25) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23
[2024-11-07 20:02:10,091 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:02:10,096 INFO  L225             Difference]: With dead ends: 164
[2024-11-07 20:02:10,096 INFO  L226             Difference]: Without dead ends: 26
[2024-11-07 20:02:10,101 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 20:02:10,106 INFO  L432           NwaCegarLoop]: 73 mSDtfsCounter, 29 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-07 20:02:10,107 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 165 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-07 20:02:10,120 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-07 20:02:10,133 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-07 20:02:10,134 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 20:02:10,136 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions.
[2024-11-07 20:02:10,138 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 23
[2024-11-07 20:02:10,139 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:02:10,139 INFO  L471      AbstractCegarLoop]: Abstraction has 26 states and 26 transitions.
[2024-11-07 20:02:10,139 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.25) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-07 20:02:10,139 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions.
[2024-11-07 20:02:10,140 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-07 20:02:10,140 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:02:10,140 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:02:10,141 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 20:02:10,141 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:02:10,142 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:02:10,142 INFO  L85        PathProgramCache]: Analyzing trace with hash 802502052, now seen corresponding path program 1 times
[2024-11-07 20:02:10,142 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:02:10,142 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277948177]
[2024-11-07 20:02:10,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:10,142 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:02:10,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,380 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-07 20:02:10,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,411 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-07 20:02:10,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,452 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:10,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,472 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 20:02:10,473 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:02:10,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277948177]
[2024-11-07 20:02:10,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277948177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:02:10,473 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:02:10,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 20:02:10,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193316668]
[2024-11-07 20:02:10,474 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:02:10,475 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 20:02:10,475 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:02:10,476 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 20:02:10,476 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-07 20:02:10,476 INFO  L87              Difference]: Start difference. First operand 26 states and 26 transitions. Second operand  has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-07 20:02:10,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:02:10,609 INFO  L93              Difference]: Finished difference Result 36 states and 38 transitions.
[2024-11-07 20:02:10,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-07 20:02:10,610 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23
[2024-11-07 20:02:10,610 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:02:10,611 INFO  L225             Difference]: With dead ends: 36
[2024-11-07 20:02:10,611 INFO  L226             Difference]: Without dead ends: 34
[2024-11-07 20:02:10,611 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-07 20:02:10,612 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 20:02:10,612 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 36 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 20:02:10,613 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2024-11-07 20:02:10,617 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2024-11-07 20:02:10,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 34 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-07 20:02:10,618 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions.
[2024-11-07 20:02:10,618 INFO  L78                 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 23
[2024-11-07 20:02:10,620 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:02:10,620 INFO  L471      AbstractCegarLoop]: Abstraction has 34 states and 36 transitions.
[2024-11-07 20:02:10,620 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-07 20:02:10,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions.
[2024-11-07 20:02:10,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-07 20:02:10,625 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:02:10,625 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:02:10,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 20:02:10,626 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:02:10,627 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:02:10,627 INFO  L85        PathProgramCache]: Analyzing trace with hash -1307958444, now seen corresponding path program 1 times
[2024-11-07 20:02:10,627 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:02:10,627 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948847344]
[2024-11-07 20:02:10,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:10,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:02:10,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,873 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-07 20:02:10,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,903 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-07 20:02:10,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,939 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:10,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,962 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2024-11-07 20:02:10,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:10,978 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 20:02:10,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,006 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:11,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-07 20:02:11,022 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:02:11,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948847344]
[2024-11-07 20:02:11,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948847344] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:02:11,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030054444]
[2024-11-07 20:02:11,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:11,023 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:02:11,023 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:02:11,026 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-07 20:02:11,028 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-07 20:02:11,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,217 INFO  L255         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 20:02:11,222 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:02:11,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-07 20:02:11,301 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 20:02:11,301 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030054444] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:02:11,301 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-07 20:02:11,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9
[2024-11-07 20:02:11,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992076309]
[2024-11-07 20:02:11,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:02:11,301 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 20:02:11,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:02:11,302 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 20:02:11,302 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2024-11-07 20:02:11,302 INFO  L87              Difference]: Start difference. First operand 34 states and 36 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-11-07 20:02:11,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:02:11,344 INFO  L93              Difference]: Finished difference Result 34 states and 36 transitions.
[2024-11-07 20:02:11,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-07 20:02:11,345 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44
[2024-11-07 20:02:11,345 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:02:11,346 INFO  L225             Difference]: With dead ends: 34
[2024-11-07 20:02:11,346 INFO  L226             Difference]: Without dead ends: 33
[2024-11-07 20:02:11,346 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2024-11-07 20:02:11,347 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:02:11,347 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:02:11,347 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-07 20:02:11,353 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2024-11-07 20:02:11,356 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-07 20:02:11,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions.
[2024-11-07 20:02:11,358 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 44
[2024-11-07 20:02:11,358 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:02:11,359 INFO  L471      AbstractCegarLoop]: Abstraction has 33 states and 35 transitions.
[2024-11-07 20:02:11,359 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-11-07 20:02:11,359 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions.
[2024-11-07 20:02:11,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-07 20:02:11,360 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:02:11,361 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-07 20:02:11,380 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-07 20:02:11,562 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:02:11,562 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:02:11,562 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:02:11,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -1892006022, now seen corresponding path program 1 times
[2024-11-07 20:02:11,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:02:11,563 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202498505]
[2024-11-07 20:02:11,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:11,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:02:11,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,767 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-07 20:02:11,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,789 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-07 20:02:11,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,811 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:11,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,825 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2024-11-07 20:02:11,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,837 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 20:02:11,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,861 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:11,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:11,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-07 20:02:11,876 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:02:11,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202498505]
[2024-11-07 20:02:11,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202498505] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:02:11,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152216457]
[2024-11-07 20:02:11,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:11,877 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:02:11,877 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:02:11,880 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-07 20:02:11,882 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-07 20:02:12,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:12,071 INFO  L255         TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 20:02:12,073 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:02:12,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-07 20:02:12,138 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 20:02:12,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-07 20:02:12,265 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152216457] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 20:02:12,265 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 20:02:12,265 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13
[2024-11-07 20:02:12,266 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522616554]
[2024-11-07 20:02:12,266 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 20:02:12,266 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-07 20:02:12,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:02:12,267 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-07 20:02:12,267 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182
[2024-11-07 20:02:12,267 INFO  L87              Difference]: Start difference. First operand 33 states and 35 transitions. Second operand  has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11)
[2024-11-07 20:02:12,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:02:12,486 INFO  L93              Difference]: Finished difference Result 58 states and 68 transitions.
[2024-11-07 20:02:12,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-07 20:02:12,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 45
[2024-11-07 20:02:12,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:02:12,488 INFO  L225             Difference]: With dead ends: 58
[2024-11-07 20:02:12,488 INFO  L226             Difference]: Without dead ends: 57
[2024-11-07 20:02:12,488 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210
[2024-11-07 20:02:12,489 INFO  L432           NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-07 20:02:12,489 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 56 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-07 20:02:12,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-07 20:02:12,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-07 20:02:12,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-07 20:02:12,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions.
[2024-11-07 20:02:12,504 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 45
[2024-11-07 20:02:12,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:02:12,505 INFO  L471      AbstractCegarLoop]: Abstraction has 57 states and 65 transitions.
[2024-11-07 20:02:12,506 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11)
[2024-11-07 20:02:12,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions.
[2024-11-07 20:02:12,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-07 20:02:12,509 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:02:12,509 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1]
[2024-11-07 20:02:12,528 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-07 20:02:12,710 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:02:12,710 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:02:12,711 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:02:12,711 INFO  L85        PathProgramCache]: Analyzing trace with hash -1128684758, now seen corresponding path program 2 times
[2024-11-07 20:02:12,711 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:02:12,711 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727114387]
[2024-11-07 20:02:12,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:02:12,711 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:02:12,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,177 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-07 20:02:13,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,199 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-07 20:02:13,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,213 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:13,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,224 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2024-11-07 20:02:13,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,231 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 20:02:13,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,248 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:13,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,258 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2024-11-07 20:02:13,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,266 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2024-11-07 20:02:13,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,288 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:13,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,301 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 20:02:13,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,314 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-07 20:02:13,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,331 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:13,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,342 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-07 20:02:13,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,349 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2024-11-07 20:02:13,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,363 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 20:02:13,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,374 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2024-11-07 20:02:13,374 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:02:13,374 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727114387]
[2024-11-07 20:02:13,375 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727114387] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:02:13,375 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544150036]
[2024-11-07 20:02:13,375 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-07 20:02:13,375 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:02:13,375 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:02:13,377 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-07 20:02:13,379 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-07 20:02:13,581 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-07 20:02:13,581 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 20:02:13,583 INFO  L255         TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 20:02:13,586 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:02:13,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked.
[2024-11-07 20:02:13,708 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 20:02:13,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked.
[2024-11-07 20:02:13,878 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544150036] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 20:02:13,878 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 20:02:13,878 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16
[2024-11-07 20:02:13,878 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861338912]
[2024-11-07 20:02:13,878 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 20:02:13,879 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-07 20:02:13,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:02:13,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-07 20:02:13,880 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272
[2024-11-07 20:02:13,880 INFO  L87              Difference]: Start difference. First operand 57 states and 65 transitions. Second operand  has 17 states, 16 states have (on average 3.625) internal successors, (58), 15 states have internal predecessors, (58), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15)
[2024-11-07 20:02:14,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:02:14,234 INFO  L93              Difference]: Finished difference Result 66 states and 77 transitions.
[2024-11-07 20:02:14,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-07 20:02:14,234 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 16 states have (on average 3.625) internal successors, (58), 15 states have internal predecessors, (58), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 108
[2024-11-07 20:02:14,235 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:02:14,237 INFO  L225             Difference]: With dead ends: 66
[2024-11-07 20:02:14,237 INFO  L226             Difference]: Without dead ends: 0
[2024-11-07 20:02:14,237 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 238 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=697, Unknown=0, NotChecked=0, Total=870
[2024-11-07 20:02:14,238 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-07 20:02:14,238 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 54 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-07 20:02:14,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-07 20:02:14,239 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-07 20:02:14,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 20:02:14,239 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-07 20:02:14,241 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108
[2024-11-07 20:02:14,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:02:14,242 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 20:02:14,242 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 16 states have (on average 3.625) internal successors, (58), 15 states have internal predecessors, (58), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15)
[2024-11-07 20:02:14,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-07 20:02:14,242 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-07 20:02:14,244 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 20:02:14,245 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 20:02:14,261 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-07 20:02:14,445 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:02:14,448 INFO  L407         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2024-11-07 20:02:14,450 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-07 20:02:14,604 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 20:02:14,623 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 20:02:14,624 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 20:02:14,624 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 20:02:14,627 WARN  L156        FloydHoareUtils]: Requires clause for ldv_list_add contained old-variable. Original clause: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|))  Eliminated clause: true
[2024-11-07 20:02:14,629 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 20:02:14,630 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 20:02:14,630 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 20:02:14,630 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function ldv_list_add
[2024-11-07 20:02:14,630 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function ldv_list_add
[2024-11-07 20:02:14,631 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 20:02:14,631 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 20:02:14,632 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 20:02:14,633 WARN  L156        FloydHoareUtils]: Requires clause for ldv_list_del contained old-variable. Original clause: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|))  Eliminated clause: true
[2024-11-07 20:02:14,637 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 20:02:14,637 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 20:02:14,637 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 20:02:14,637 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function ldv_list_del
[2024-11-07 20:02:14,637 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function ldv_list_del
[2024-11-07 20:02:14,638 WARN  L156        FloydHoareUtils]: Requires clause for ldv_successful_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))  Eliminated clause: true
[2024-11-07 20:02:14,638 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 20:02:14,638 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 20:02:14,638 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 20:02:14,639 WARN  L156        FloydHoareUtils]: Requires clause for __ldv_list_add contained old-variable. Original clause: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|))  Eliminated clause: true
[2024-11-07 20:02:14,639 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-07 20:02:14,639 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-07 20:02:14,639 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-07 20:02:14,639 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function __ldv_list_add
[2024-11-07 20:02:14,639 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function __ldv_list_add
[2024-11-07 20:02:14,640 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:02:14 BoogieIcfgContainer
[2024-11-07 20:02:14,640 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 20:02:14,644 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 20:02:14,644 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 20:02:14,644 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 20:02:14,645 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:09" (3/4) ...
[2024-11-07 20:02:14,647 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 20:02:14,652 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error
[2024-11-07 20:02:14,652 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add
[2024-11-07 20:02:14,652 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_in_set
[2024-11-07 20:02:14,652 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del
[2024-11-07 20:02:14,652 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_successful_malloc
[2024-11-07 20:02:14,652 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add
[2024-11-07 20:02:14,657 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges
[2024-11-07 20:02:14,660 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-07 20:02:14,661 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 20:02:14,661 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 20:02:14,751 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 20:02:14,751 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 20:02:14,751 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 20:02:14,753 INFO  L158              Benchmark]: Toolchain (without parser) took 6602.81ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.5MB in the beginning and 61.1MB in the end (delta: 29.4MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB.
[2024-11-07 20:02:14,755 INFO  L158              Benchmark]: CDTParser took 1.21ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:02:14,755 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 444.06ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 70.0MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 20:02:14,755 INFO  L158              Benchmark]: Boogie Procedure Inliner took 64.38ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:02:14,755 INFO  L158              Benchmark]: Boogie Preprocessor took 99.94ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 62.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:02:14,755 INFO  L158              Benchmark]: RCFGBuilder took 579.23ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 84.2MB in the end (delta: -21.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB.
[2024-11-07 20:02:14,756 INFO  L158              Benchmark]: TraceAbstraction took 5296.52ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 83.7MB in the beginning and 69.3MB in the end (delta: 14.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
[2024-11-07 20:02:14,756 INFO  L158              Benchmark]: Witness Printer took 107.55ms. Allocated memory is still 159.4MB. Free memory was 67.8MB in the beginning and 61.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 20:02:14,759 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.21ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 444.06ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 70.0MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 64.38ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 99.94ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 62.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 579.23ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 84.2MB in the end (delta: -21.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5296.52ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 83.7MB in the beginning and 69.3MB in the end (delta: 14.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
 * Witness Printer took 107.55ms. Allocated memory is still 159.4MB. Free memory was 67.8MB in the beginning and 61.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function ldv_list_add
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function ldv_list_add
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function ldv_list_del
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function ldv_list_del
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function __ldv_list_add
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function __ldv_list_add
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 693]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 693]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 7 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 405 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 276 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 129 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 457 GetRequests, 398 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 440 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 1257 SizeOfPredicates, 2 NumberOfNonLiveVariables, 890 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 566/733 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
    2 specifications checked. All of them hold
  - InvariantResult [Line: 693]: Loop Invariant
    Derived loop invariant: (((N <= 2147483647) && (1 <= i)) || ((i == 0) && (N <= 2147483647)))
  - InvariantResult [Line: 650]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 702]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 659]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 698]: Loop Invariant
    Derived loop invariant: 1
  - ProcedureContractResult [Line: 566]: Procedure Contract for reach_error
    Derived contract for procedure reach_error. Ensures: (0 && ((mutexes == \old(mutexes)) && (drvlist == \old(drvlist))))
  - ProcedureContractResult [Line: 657]: Procedure Contract for ldv_is_in_set
    Derived contract for procedure ldv_is_in_set. Ensures: ((mutexes == \old(mutexes)) && (drvlist == \old(drvlist)))
  - ProcedureContractResult [Line: 579]: Procedure Contract for ldv_successful_malloc
    Derived contract for procedure ldv_successful_malloc. Ensures: ((mutexes == \old(mutexes)) && (drvlist == \old(drvlist)))
RESULT: Ultimate proved your program to be correct!
[2024-11-07 20:02:14,794 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