./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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', '8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 23:28:03,092 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 23:28:03,204 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-07 23:28:03,209 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 23:28:03,210 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 23:28:03,229 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 23:28:03,230 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 23:28:03,230 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 23:28:03,231 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 23:28:03,231 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 23:28:03,231 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 23:28:03,231 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 23:28:03,231 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 23:28:03,232 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 23:28:03,232 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 23:28:03,232 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 23:28:03,232 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 23:28:03,232 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 23:28:03,232 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 23:28:03,232 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 23:28:03,233 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 23:28:03,234 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 23:28:03,234 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 23:28:03,234 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 23:28:03,234 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 23:28:03,234 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 23:28:03,234 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 23:28:03,235 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 23:28:03,235 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 23:28:03,236 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 23:28:03,236 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 -> 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b
[2024-11-07 23:28:03,484 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 23:28:03,490 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 23:28:03,492 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 23:28:03,493 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 23:28:03,493 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 23:28:03,495 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2024-11-07 23:28:04,760 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 23:28:05,020 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 23:28:05,021 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2024-11-07 23:28:05,033 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d3e37ac8a/852c025f22194b79be6805ba85078695/FLAG44b494bbf
[2024-11-07 23:28:05,353 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d3e37ac8a/852c025f22194b79be6805ba85078695
[2024-11-07 23:28:05,356 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 23:28:05,357 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 23:28:05,358 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 23:28:05,358 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 23:28:05,362 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 23:28:05,362 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,363 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d40c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05, skipping insertion in model container
[2024-11-07 23:28:05,363 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,402 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 23:28:05,636 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:28:05,646 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 23:28:05,698 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:28:05,738 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 23:28:05,739 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05 WrapperNode
[2024-11-07 23:28:05,740 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 23:28:05,741 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 23:28:05,741 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 23:28:05,741 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 23:28:05,746 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,759 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,776 INFO  L138                Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59
[2024-11-07 23:28:05,777 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 23:28:05,777 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 23:28:05,777 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 23:28:05,777 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 23:28:05,784 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,784 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,786 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,796 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 23:28:05,797 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,797 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,801 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,803 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,804 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,805 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,806 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 23:28:05,807 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 23:28:05,807 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 23:28:05,807 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 23:28:05,807 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (1/1) ...
[2024-11-07 23:28:05,811 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 23:28:05,831 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:28:05,846 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 23:28:05,850 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 23:28:05,871 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-07 23:28:05,871 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 23:28:05,871 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-07 23:28:05,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-07 23:28:05,872 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-07 23:28:05,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-07 23:28:05,872 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-07 23:28:05,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-07 23:28:05,872 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 23:28:05,872 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-07 23:28:05,872 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 23:28:05,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 23:28:05,873 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-07 23:28:05,994 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 23:28:05,996 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 23:28:06,159 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 23:28:06,159 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 23:28:06,252 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 23:28:06,252 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 23:28:06,253 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:06 BoogieIcfgContainer
[2024-11-07 23:28:06,254 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 23:28:06,256 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 23:28:06,257 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 23:28:06,262 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 23:28:06,262 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:28:05" (1/3) ...
[2024-11-07 23:28:06,262 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78154b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:28:06, skipping insertion in model container
[2024-11-07 23:28:06,263 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:05" (2/3) ...
[2024-11-07 23:28:06,263 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78154b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:28:06, skipping insertion in model container
[2024-11-07 23:28:06,264 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:06" (3/3) ...
[2024-11-07 23:28:06,265 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2024-11-07 23:28:06,293 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 23:28:06,294 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-07 23:28:06,294 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 23:28:06,347 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-07 23:28:06,382 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow
[2024-11-07 23:28:06,408 INFO  L124   PetriNetUnfolderBase]: 0/36 cut-off events.
[2024-11-07 23:28:06,412 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 23:28:06,414 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 89 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. 
[2024-11-07 23:28:06,414 INFO  L82        GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow
[2024-11-07 23:28:06,417 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow
[2024-11-07 23:28:06,423 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 23:28:06,437 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;@69ad549d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 23:28:06,437 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-07 23:28:06,445 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 23:28:06,448 INFO  L124   PetriNetUnfolderBase]: 0/16 cut-off events.
[2024-11-07 23:28:06,448 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 23:28:06,448 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:28:06,449 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:28:06,449 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:28:06,453 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:28:06,454 INFO  L85        PathProgramCache]: Analyzing trace with hash 1143595776, now seen corresponding path program 1 times
[2024-11-07 23:28:06,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:28:06,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99269372]
[2024-11-07 23:28:06,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:28:06,462 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:28:06,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:28:06,696 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 23:28:06,696 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:28:06,696 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99269372]
[2024-11-07 23:28:06,698 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99269372] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:28:06,700 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:28:06,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 23:28:06,701 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809378273]
[2024-11-07 23:28:06,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:28:06,708 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 23:28:06,711 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:28:06,731 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 23:28:06,732 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 23:28:06,740 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39
[2024-11-07 23:28:06,743 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 23:28:06,743 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:28:06,743 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39
[2024-11-07 23:28:06,744 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:28:07,067 INFO  L124   PetriNetUnfolderBase]: 842/1294 cut-off events.
[2024-11-07 23:28:07,067 INFO  L125   PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-11-07 23:28:07,073 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 1294 events. 842/1294 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 7316 event pairs, 420 based on Foata normal form. 0/885 useless extension candidates. Maximal degree in co-relation 2609. Up to 1271 conditions per place. 
[2024-11-07 23:28:07,085 INFO  L140   encePairwiseOnDemand]: 29/39 looper letters, 27 selfloop transitions, 4 changer transitions 0/46 dead transitions.
[2024-11-07 23:28:07,085 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 46 transitions, 169 flow
[2024-11-07 23:28:07,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 23:28:07,089 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-07 23:28:07,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions.
[2024-11-07 23:28:07,098 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7777777777777778
[2024-11-07 23:28:07,099 INFO  L175             Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 91 transitions.
[2024-11-07 23:28:07,100 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 46 transitions, 169 flow
[2024-11-07 23:28:07,104 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 164 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-07 23:28:07,107 INFO  L231             Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow
[2024-11-07 23:28:07,111 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39}
[2024-11-07 23:28:07,116 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places.
[2024-11-07 23:28:07,117 INFO  L471      AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow
[2024-11-07 23:28:07,117 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 23:28:07,117 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:28:07,117 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:28:07,118 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 23:28:07,118 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:28:07,119 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:28:07,119 INFO  L85        PathProgramCache]: Analyzing trace with hash -71693061, now seen corresponding path program 1 times
[2024-11-07 23:28:07,119 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:28:07,120 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782422799]
[2024-11-07 23:28:07,120 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:28:07,120 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:28:07,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:28:07,236 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 23:28:07,237 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:28:07,237 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782422799]
[2024-11-07 23:28:07,237 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782422799] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:28:07,237 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:28:07,237 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 23:28:07,237 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334701183]
[2024-11-07 23:28:07,238 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:28:07,239 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 23:28:07,240 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:28:07,240 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 23:28:07,242 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 23:28:07,249 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39
[2024-11-07 23:28:07,249 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand  has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 23:28:07,250 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:28:07,250 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39
[2024-11-07 23:28:07,250 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:28:07,407 INFO  L124   PetriNetUnfolderBase]: 476/752 cut-off events.
[2024-11-07 23:28:07,414 INFO  L125   PetriNetUnfolderBase]: For 87/91 co-relation queries the response was YES.
[2024-11-07 23:28:07,417 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1868 conditions, 752 events. 476/752 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 3866 event pairs, 212 based on Foata normal form. 2/593 useless extension candidates. Maximal degree in co-relation 1857. Up to 728 conditions per place. 
[2024-11-07 23:28:07,425 INFO  L140   encePairwiseOnDemand]: 32/39 looper letters, 24 selfloop transitions, 4 changer transitions 0/43 dead transitions.
[2024-11-07 23:28:07,425 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 176 flow
[2024-11-07 23:28:07,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 23:28:07,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 23:28:07,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions.
[2024-11-07 23:28:07,427 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6602564102564102
[2024-11-07 23:28:07,429 INFO  L175             Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 103 transitions.
[2024-11-07 23:28:07,429 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 176 flow
[2024-11-07 23:28:07,430 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 23:28:07,431 INFO  L231             Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow
[2024-11-07 23:28:07,431 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36}
[2024-11-07 23:28:07,433 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places.
[2024-11-07 23:28:07,433 INFO  L471      AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow
[2024-11-07 23:28:07,434 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 23:28:07,434 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:28:07,434 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:28:07,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 23:28:07,435 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:28:07,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:28:07,435 INFO  L85        PathProgramCache]: Analyzing trace with hash -71693060, now seen corresponding path program 1 times
[2024-11-07 23:28:07,435 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:28:07,436 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117333341]
[2024-11-07 23:28:07,436 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:28:07,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:28:07,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:28:07,557 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 23:28:07,558 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:28:07,558 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117333341]
[2024-11-07 23:28:07,558 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117333341] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:28:07,558 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:28:07,558 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 23:28:07,558 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762035702]
[2024-11-07 23:28:07,558 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:28:07,559 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 23:28:07,559 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:28:07,559 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 23:28:07,559 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 23:28:07,564 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39
[2024-11-07 23:28:07,565 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand  has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 23:28:07,565 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:28:07,565 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39
[2024-11-07 23:28:07,565 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:28:07,709 INFO  L124   PetriNetUnfolderBase]: 302/498 cut-off events.
[2024-11-07 23:28:07,709 INFO  L125   PetriNetUnfolderBase]: For 107/111 co-relation queries the response was YES.
[2024-11-07 23:28:07,711 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 498 events. 302/498 cut-off events. For 107/111 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 2257 event pairs, 40 based on Foata normal form. 2/443 useless extension candidates. Maximal degree in co-relation 1189. Up to 409 conditions per place. 
[2024-11-07 23:28:07,714 INFO  L140   encePairwiseOnDemand]: 32/39 looper letters, 29 selfloop transitions, 7 changer transitions 3/54 dead transitions.
[2024-11-07 23:28:07,715 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 232 flow
[2024-11-07 23:28:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 23:28:07,715 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 23:28:07,717 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions.
[2024-11-07 23:28:07,718 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7307692307692307
[2024-11-07 23:28:07,719 INFO  L175             Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 114 transitions.
[2024-11-07 23:28:07,719 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 232 flow
[2024-11-07 23:28:07,720 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-07 23:28:07,722 INFO  L231             Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow
[2024-11-07 23:28:07,722 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36}
[2024-11-07 23:28:07,723 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places.
[2024-11-07 23:28:07,723 INFO  L471      AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow
[2024-11-07 23:28:07,724 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 23:28:07,724 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:28:07,724 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 23:28:07,724 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 23:28:07,724 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-07 23:28:07,725 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:28:07,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -1783647981, now seen corresponding path program 1 times
[2024-11-07 23:28:07,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:28:07,725 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383771361]
[2024-11-07 23:28:07,725 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:28:07,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:28:07,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:28:07,859 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 23:28:07,859 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:28:07,859 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383771361]
[2024-11-07 23:28:07,859 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383771361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:28:07,859 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:28:07,860 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 23:28:07,860 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138469317]
[2024-11-07 23:28:07,860 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:28:07,860 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 23:28:07,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:28:07,861 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 23:28:07,862 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-07 23:28:07,867 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39
[2024-11-07 23:28:07,868 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand  has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 23:28:07,868 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:28:07,868 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39
[2024-11-07 23:28:07,868 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:28:07,962 INFO  L124   PetriNetUnfolderBase]: 130/246 cut-off events.
[2024-11-07 23:28:07,963 INFO  L125   PetriNetUnfolderBase]: For 268/276 co-relation queries the response was YES.
[2024-11-07 23:28:07,964 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 732 conditions, 246 events. 130/246 cut-off events. For 268/276 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1064 event pairs, 0 based on Foata normal form. 52/289 useless extension candidates. Maximal degree in co-relation 719. Up to 156 conditions per place. 
[2024-11-07 23:28:07,964 INFO  L140   encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions.
[2024-11-07 23:28:07,964 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 211 flow
[2024-11-07 23:28:07,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 23:28:07,965 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-07 23:28:07,965 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions.
[2024-11-07 23:28:07,965 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6461538461538462
[2024-11-07 23:28:07,965 INFO  L175             Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 126 transitions.
[2024-11-07 23:28:07,965 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 211 flow
[2024-11-07 23:28:07,966 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 187 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-07 23:28:07,967 INFO  L231             Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow
[2024-11-07 23:28:07,967 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0}
[2024-11-07 23:28:07,967 INFO  L277   CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places.
[2024-11-07 23:28:07,968 INFO  L471      AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow
[2024-11-07 23:28:07,968 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 23:28:07,972 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-11-07 23:28:07,975 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-11-07 23:28:07,975 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-11-07 23:28:07,975 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-11-07 23:28:07,975 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-11-07 23:28:07,975 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-11-07 23:28:07,976 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-11-07 23:28:07,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 23:28:07,977 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-07 23:28:07,982 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 23:28:07,982 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 23:28:07,988 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:28:07 BasicIcfg
[2024-11-07 23:28:07,989 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 23:28:07,989 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 23:28:07,990 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 23:28:07,990 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 23:28:07,990 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:06" (3/4) ...
[2024-11-07 23:28:07,992 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 23:28:07,995 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-07 23:28:07,995 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-07 23:28:07,995 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-07 23:28:07,998 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges
[2024-11-07 23:28:07,998 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-07 23:28:07,999 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-07 23:28:07,999 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 23:28:08,055 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 23:28:08,055 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 23:28:08,056 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 23:28:08,056 INFO  L158              Benchmark]: Toolchain (without parser) took 2699.49ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 90.3MB in the beginning and 67.9MB in the end (delta: 22.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB.
[2024-11-07 23:28:08,056 INFO  L158              Benchmark]: CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:28:08,057 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 381.85ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 70.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 23:28:08,057 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.03ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 23:28:08,057 INFO  L158              Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:28:08,057 INFO  L158              Benchmark]: RCFGBuilder took 447.09ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 46.5MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 23:28:08,057 INFO  L158              Benchmark]: TraceAbstraction took 1732.40ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 46.1MB in the beginning and 72.4MB in the end (delta: -26.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB.
[2024-11-07 23:28:08,058 INFO  L158              Benchmark]: Witness Printer took 66.12ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 67.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 23:28:08,059 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 381.85ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 70.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.03ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 29.06ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 67.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 447.09ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 46.5MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1732.40ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 46.1MB in the beginning and 72.4MB in the end (delta: -26.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB.
 * Witness Printer took 66.12ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 67.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 733]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 733]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 745]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 745]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 760]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 760]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 70 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 2 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-07 23:28:08,084 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE