./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/unroll-3.wvr.c --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/weaver/unroll-3.wvr.c', '-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', 'a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/unroll-3.wvr.c -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 a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 23:43:22,442 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 23:43:22,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-07 23:43:22,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 23:43:22,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 23:43:22,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 23:43:22,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 23:43:22,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 23:43:22,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 23:43:22,572 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 23:43:22,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 23:43:22,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 23:43:22,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 23:43:22,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 23:43:22,574 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 23:43:22,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 23:43:22,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 23:43:22,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 23:43:22,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 23:43:22,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 23:43:22,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 23:43:22,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 23:43:22,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 23:43:22,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 23:43:22,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 23:43:22,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 23:43:22,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 23:43:22,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 23:43:22,578 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 -> a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189
[2024-11-07 23:43:22,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 23:43:22,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 23:43:22,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 23:43:22,889 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 23:43:22,889 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 23:43:22,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-3.wvr.c
[2024-11-07 23:43:24,151 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 23:43:24,395 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 23:43:24,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/unroll-3.wvr.c
[2024-11-07 23:43:24,402 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1dc94b0c3/af781568a6b24d5db65c8c56acc6457f/FLAG96ed48dae
[2024-11-07 23:43:24,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1dc94b0c3/af781568a6b24d5db65c8c56acc6457f
[2024-11-07 23:43:24,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 23:43:24,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 23:43:24,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 23:43:24,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 23:43:24,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 23:43:24,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12de3e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24, skipping insertion in model container
[2024-11-07 23:43:24,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,442 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 23:43:24,604 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:43:24,617 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 23:43:24,645 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:43:24,658 INFO L204 MainTranslator]: Completed translation
[2024-11-07 23:43:24,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24 WrapperNode
[2024-11-07 23:43:24,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 23:43:24,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 23:43:24,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 23:43:24,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 23:43:24,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,693 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 141
[2024-11-07 23:43:24,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 23:43:24,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 23:43:24,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 23:43:24,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 23:43:24,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,731 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-07 23:43:24,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 23:43:24,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 23:43:24,755 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 23:43:24,755 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 23:43:24,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (1/1) ...
[2024-11-07 23:43:24,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 23:43:24,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:43:24,790 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 23:43:24,793 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 23:43:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 23:43:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-07 23:43:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-07 23:43:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-07 23:43:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-07 23:43:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 23:43:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 23:43:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-07 23:43:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-07 23:43:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-07 23:43:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 23:43:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 23:43:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-07 23:43:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-07 23:43:24,817 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 23:43:24,898 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 23:43:24,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 23:43:25,152 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-07 23:43:25,152 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 23:43:25,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 23:43:25,409 INFO L316 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-07 23:43:25,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:43:25 BoogieIcfgContainer
[2024-11-07 23:43:25,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 23:43:25,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 23:43:25,412 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 23:43:25,416 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 23:43:25,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:43:24" (1/3) ...
[2024-11-07 23:43:25,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9958c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:43:25, skipping insertion in model container
[2024-11-07 23:43:25,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:43:24" (2/3) ...
[2024-11-07 23:43:25,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9958c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:43:25, skipping insertion in model container
[2024-11-07 23:43:25,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:43:25" (3/3) ...
[2024-11-07 23:43:25,419 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c
[2024-11-07 23:43:25,430 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 23:43:25,430 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 23:43:25,430 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-07 23:43:25,478 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-07 23:43:25,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 58 flow
[2024-11-07 23:43:25,528 INFO L124 PetriNetUnfolderBase]: 3/20 cut-off events.
[2024-11-07 23:43:25,531 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-07 23:43:25,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 3/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 14. Up to 2 conditions per place.
[2024-11-07 23:43:25,535 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 22 transitions, 58 flow
[2024-11-07 23:43:25,537 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 6 places, 6 transitions, 12 flow
[2024-11-07 23:43:25,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 23:43:25,562 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;@60d2327c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 23:43:25,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-07 23:43:25,566 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-07 23:43:25,566 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events.
[2024-11-07 23:43:25,566 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 23:43:25,567 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:43:25,567 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2024-11-07 23:43:25,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 23:43:25,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:43:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash 455278, now seen corresponding path program 1 times
[2024-11-07 23:43:25,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:43:25,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126120445]
[2024-11-07 23:43:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:43:25,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:43:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:43:25,822 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 23:43:25,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:43:25,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126120445]
[2024-11-07 23:43:25,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126120445] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:43:25,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:43:25,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 23:43:25,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540562091]
[2024-11-07 23:43:25,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:43:25,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 23:43:25,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:43:25,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 23:43:25,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 23:43:25,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 22
[2024-11-07 23:43:25,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 6 places, 6 transitions, 12 flow. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 23:43:25,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:43:25,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 22
[2024-11-07 23:43:25,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:43:25,934 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events.
[2024-11-07 23:43:25,934 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-07 23:43:25,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 9 events. 1/9 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 1/9 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place.
[2024-11-07 23:43:25,935 INFO L140 encePairwiseOnDemand]: 17/22 looper letters, 4 selfloop transitions, 3 changer transitions 0/8 dead transitions.
[2024-11-07 23:43:25,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9 places, 8 transitions, 30 flow
[2024-11-07 23:43:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 23:43:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-07 23:43:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions.
[2024-11-07 23:43:25,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23863636363636365
[2024-11-07 23:43:25,951 INFO L175 Difference]: Start difference. First operand has 6 places, 6 transitions, 12 flow. Second operand 4 states and 21 transitions.
[2024-11-07 23:43:25,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 9 places, 8 transitions, 30 flow
[2024-11-07 23:43:25,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 9 places, 8 transitions, 30 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-07 23:43:25,957 INFO L231 Difference]: Finished difference. Result has 11 places, 8 transitions, 34 flow
[2024-11-07 23:43:25,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=12, PETRI_DIFFERENCE_MINUEND_PLACES=6, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=34, PETRI_PLACES=11, PETRI_TRANSITIONS=8}
[2024-11-07 23:43:25,963 INFO L277 CegarLoopForPetriNet]: 6 programPoint places, 5 predicate places.
[2024-11-07 23:43:25,963 INFO L471 AbstractCegarLoop]: Abstraction has has 11 places, 8 transitions, 34 flow
[2024-11-07 23:43:25,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 23:43:25,963 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:43:25,963 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-11-07 23:43:25,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 23:43:25,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 23:43:25,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:43:25,964 INFO L85 PathProgramCache]: Analyzing trace with hash 678732600, now seen corresponding path program 1 times
[2024-11-07 23:43:25,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:43:25,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163189063]
[2024-11-07 23:43:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:43:25,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:43:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:43:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:43:26,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:43:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163189063]
[2024-11-07 23:43:26,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163189063] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 23:43:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037162603]
[2024-11-07 23:43:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:43:26,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 23:43:26,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:43:26,137 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 23:43:26,138 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 23:43:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:43:26,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 23:43:26,219 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 23:43:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:43:26,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 23:43:26,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037162603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:43:26,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-07 23:43:26,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-07 23:43:26,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764063572]
[2024-11-07 23:43:26,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:43:26,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 23:43:26,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:43:26,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 23:43:26,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-07 23:43:26,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 22
[2024-11-07 23:43:26,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 8 transitions, 34 flow. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 23:43:26,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:43:26,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 22
[2024-11-07 23:43:26,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:43:26,320 INFO L124 PetriNetUnfolderBase]: 1/8 cut-off events.
[2024-11-07 23:43:26,320 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-07 23:43:26,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 8 events. 1/8 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 1/8 useless extension candidates. Maximal degree in co-relation 10. Up to 4 conditions per place.
[2024-11-07 23:43:26,320 INFO L140 encePairwiseOnDemand]: 18/22 looper letters, 1 selfloop transitions, 5 changer transitions 0/7 dead transitions.
[2024-11-07 23:43:26,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 7 transitions, 42 flow
[2024-11-07 23:43:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 23:43:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-07 23:43:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions.
[2024-11-07 23:43:26,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.1893939393939394
[2024-11-07 23:43:26,323 INFO L175 Difference]: Start difference. First operand has 11 places, 8 transitions, 34 flow. Second operand 6 states and 25 transitions.
[2024-11-07 23:43:26,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 7 transitions, 42 flow
[2024-11-07 23:43:26,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 7 transitions, 40 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-07 23:43:26,326 INFO L231 Difference]: Finished difference. Result has 14 places, 7 transitions, 38 flow
[2024-11-07 23:43:26,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=38, PETRI_PLACES=14, PETRI_TRANSITIONS=7}
[2024-11-07 23:43:26,327 INFO L277 CegarLoopForPetriNet]: 6 programPoint places, 8 predicate places.
[2024-11-07 23:43:26,327 INFO L471 AbstractCegarLoop]: Abstraction has has 14 places, 7 transitions, 38 flow
[2024-11-07 23:43:26,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 23:43:26,327 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:43:26,327 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1]
[2024-11-07 23:43:26,347 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 23:43:26,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 23:43:26,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 23:43:26,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:43:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -434125429, now seen corresponding path program 1 times
[2024-11-07 23:43:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:43:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029908909]
[2024-11-07 23:43:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:43:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:43:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:43:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:43:26,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:43:26,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029908909]
[2024-11-07 23:43:26,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029908909] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 23:43:26,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081192952]
[2024-11-07 23:43:26,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:43:26,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 23:43:26,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:43:26,679 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 23:43:26,681 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 23:43:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:43:26,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 23:43:26,744 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 23:43:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:43:26,769 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 23:43:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:43:26,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081192952] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 23:43:26,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 23:43:26,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10
[2024-11-07 23:43:26,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581105234]
[2024-11-07 23:43:26,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 23:43:26,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-07 23:43:26,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:43:26,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-07 23:43:26,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-07 23:43:26,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 22
[2024-11-07 23:43:26,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 7 transitions, 38 flow. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 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 23:43:26,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:43:26,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 22
[2024-11-07 23:43:26,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:43:26,910 INFO L124 PetriNetUnfolderBase]: 1/17 cut-off events.
[2024-11-07 23:43:26,910 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-07 23:43:26,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 17 events. 1/17 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 3/20 useless extension candidates. Maximal degree in co-relation 8. Up to 7 conditions per place.
[2024-11-07 23:43:26,911 INFO L140 encePairwiseOnDemand]: 18/22 looper letters, 3 selfloop transitions, 9 changer transitions 0/13 dead transitions.
[2024-11-07 23:43:26,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 13 transitions, 98 flow
[2024-11-07 23:43:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-07 23:43:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-07 23:43:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 45 transitions.
[2024-11-07 23:43:26,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20454545454545456
[2024-11-07 23:43:26,913 INFO L175 Difference]: Start difference. First operand has 14 places, 7 transitions, 38 flow. Second operand 10 states and 45 transitions.
[2024-11-07 23:43:26,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 13 transitions, 98 flow
[2024-11-07 23:43:26,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 72 flow, removed 4 selfloop flow, removed 5 redundant places.
[2024-11-07 23:43:26,914 INFO L231 Difference]: Finished difference. Result has 21 places, 13 transitions, 82 flow
[2024-11-07 23:43:26,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=82, PETRI_PLACES=21, PETRI_TRANSITIONS=13}
[2024-11-07 23:43:26,915 INFO L277 CegarLoopForPetriNet]: 6 programPoint places, 15 predicate places.
[2024-11-07 23:43:26,915 INFO L471 AbstractCegarLoop]: Abstraction has has 21 places, 13 transitions, 82 flow
[2024-11-07 23:43:26,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 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 23:43:26,915 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-07 23:43:26,916 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1]
[2024-11-07 23:43:26,931 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 23:43:27,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 23:43:27,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-07 23:43:27,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:43:27,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2141948523, now seen corresponding path program 2 times
[2024-11-07 23:43:27,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:43:27,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718604530]
[2024-11-07 23:43:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:43:27,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:43:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:43:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:43:27,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:43:27,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718604530]
[2024-11-07 23:43:27,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718604530] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 23:43:27,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501448007]
[2024-11-07 23:43:27,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-07 23:43:27,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 23:43:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:43:27,379 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 23:43:27,381 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 23:43:27,450 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-07 23:43:27,450 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 23:43:27,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 23:43:27,453 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 23:43:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-07 23:43:27,507 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 23:43:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-07 23:43:27,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501448007] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 23:43:27,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 23:43:27,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 2, 2] total 12
[2024-11-07 23:43:27,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093881250]
[2024-11-07 23:43:27,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 23:43:27,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-07 23:43:27,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:43:27,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-07 23:43:27,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182
[2024-11-07 23:43:27,559 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 22
[2024-11-07 23:43:27,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 13 transitions, 82 flow. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 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 23:43:27,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-07 23:43:27,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 22
[2024-11-07 23:43:27,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-07 23:43:27,710 INFO L124 PetriNetUnfolderBase]: 1/19 cut-off events.
[2024-11-07 23:43:27,711 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES.
[2024-11-07 23:43:27,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 19 events. 1/19 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 2/21 useless extension candidates. Maximal degree in co-relation 38. Up to 7 conditions per place.
[2024-11-07 23:43:27,711 INFO L140 encePairwiseOnDemand]: 18/22 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions.
[2024-11-07 23:43:27,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 14 transitions, 110 flow
[2024-11-07 23:43:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-07 23:43:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2024-11-07 23:43:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 57 transitions.
[2024-11-07 23:43:27,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.18506493506493507
[2024-11-07 23:43:27,712 INFO L175 Difference]: Start difference. First operand has 21 places, 13 transitions, 82 flow. Second operand 14 states and 57 transitions.
[2024-11-07 23:43:27,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 14 transitions, 110 flow
[2024-11-07 23:43:27,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 14 transitions, 88 flow, removed 5 selfloop flow, removed 6 redundant places.
[2024-11-07 23:43:27,716 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow
[2024-11-07 23:43:27,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0}
[2024-11-07 23:43:27,717 INFO L277 CegarLoopForPetriNet]: 6 programPoint places, 21 predicate places.
[2024-11-07 23:43:27,717 INFO L471 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow
[2024-11-07 23:43:27,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 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 23:43:27,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-07 23:43:27,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-07 23:43:27,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-07 23:43:27,720 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-11-07 23:43:27,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-07 23:43:27,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 23:43:27,925 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2024-11-07 23:43:27,927 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-07 23:43:27,927 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 23:43:27,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:43:27 BasicIcfg
[2024-11-07 23:43:27,931 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 23:43:27,932 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 23:43:27,932 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 23:43:27,932 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 23:43:27,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:43:25" (3/4) ...
[2024-11-07 23:43:27,934 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-07 23:43:27,936 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-07 23:43:27,937 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-07 23:43:27,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges
[2024-11-07 23:43:27,943 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2024-11-07 23:43:27,943 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-07 23:43:27,944 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-07 23:43:28,012 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 23:43:28,012 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 23:43:28,012 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 23:43:28,013 INFO L158 Benchmark]: Toolchain (without parser) took 3593.50ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 25.5MB in the end (delta: 51.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB.
[2024-11-07 23:43:28,015 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:43:28,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.67ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 65.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 23:43:28,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.30ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 63.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:43:28,016 INFO L158 Benchmark]: Boogie Preprocessor took 60.21ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 23:43:28,016 INFO L158 Benchmark]: RCFGBuilder took 654.25ms. Allocated memory is still 100.7MB. Free memory was 61.9MB in the beginning and 60.3MB in the end (delta: 1.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
[2024-11-07 23:43:28,016 INFO L158 Benchmark]: TraceAbstraction took 2520.47ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 30.5MB in the end (delta: 29.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
[2024-11-07 23:43:28,017 INFO L158 Benchmark]: Witness Printer took 80.49ms. Allocated memory is still 100.7MB. Free memory was 30.5MB in the beginning and 25.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:43:28,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.92ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 238.67ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 65.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.30ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 63.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 60.21ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 654.25ms. Allocated memory is still 100.7MB. Free memory was 61.9MB in the beginning and 60.3MB in the end (delta: 1.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 2520.47ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 30.5MB in the end (delta: 29.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
* Witness Printer took 80.49ms. Allocated memory is still 100.7MB. Free memory was 30.5MB in the beginning and 25.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 101]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 101]: 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 5 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 6 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=3, InterpolantAutomatonStates: 34, 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, 0.8s InterpolantComputationTime, 61 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 9 NumberOfNonLiveVariables, 202 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 46/103 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
RESULT: Ultimate proved your program to be correct!
[2024-11-07 23:43:28,048 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