./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/as2013-hybrid.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/loop-lit/as2013-hybrid.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '6f4877babf2234c4d9f84af37e06b0d1c35e333b586df80a0a3a6ac5b1b8e2d2']
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/loop-lit/as2013-hybrid.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f4877babf2234c4d9f84af37e06b0d1c35e333b586df80a0a3a6ac5b1b8e2d2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 22:37:47,491 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 22:37:47,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 22:37:47,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 22:37:47,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 22:37:47,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 22:37:47,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 22:37:47,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 22:37:47,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 22:37:47,618 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 22:37:47,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 22:37:47,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 22:37:47,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 22:37:47,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 22:37:47,619 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 22:37:47,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 22:37:47,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 22:37:47,621 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 22:37:47,621 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 22:37:47,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 22:37:47,621 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 22:37:47,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 22:37:47,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 22:37:47,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 22:37:47,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 22:37:47,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 22:37:47,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 22:37:47,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 22:37:47,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 22:37:47,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 22:37:47,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 22:37:47,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 22:37:47,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 22:37:47,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 22:37:47,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 22:37:47,623 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f4877babf2234c4d9f84af37e06b0d1c35e333b586df80a0a3a6ac5b1b8e2d2
[2024-11-06 22:37:47,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 22:37:47,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 22:37:47,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 22:37:47,938 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 22:37:47,938 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 22:37:47,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/as2013-hybrid.i
[2024-11-06 22:37:49,308 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 22:37:49,514 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 22:37:49,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-lit/as2013-hybrid.i
[2024-11-06 22:37:49,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/153a7fd56/443332d57fe148a98dd054dfdbc0c5b7/FLAG8afe6f05f
[2024-11-06 22:37:49,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/153a7fd56/443332d57fe148a98dd054dfdbc0c5b7
[2024-11-06 22:37:49,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 22:37:49,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 22:37:49,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 22:37:49,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 22:37:49,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 22:37:49,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654d9b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49, skipping insertion in model container
[2024-11-06 22:37:49,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,568 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 22:37:49,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-lit/as2013-hybrid.i[802,815]
[2024-11-06 22:37:49,706 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 22:37:49,714 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 22:37:49,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-lit/as2013-hybrid.i[802,815]
[2024-11-06 22:37:49,725 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 22:37:49,738 INFO L204 MainTranslator]: Completed translation
[2024-11-06 22:37:49,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49 WrapperNode
[2024-11-06 22:37:49,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 22:37:49,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 22:37:49,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 22:37:49,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 22:37:49,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,765 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2024-11-06 22:37:49,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 22:37:49,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 22:37:49,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 22:37:49,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 22:37:49,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,784 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].
[2024-11-06 22:37:49,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 22:37:49,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 22:37:49,798 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 22:37:49,798 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 22:37:49,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (1/1) ...
[2024-11-06 22:37:49,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 22:37:49,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:37:49,829 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)
[2024-11-06 22:37:49,832 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
[2024-11-06 22:37:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 22:37:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 22:37:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 22:37:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 22:37:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-06 22:37:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-06 22:37:49,912 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 22:37:49,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 22:37:49,993 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-11-06 22:37:49,993 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 22:37:50,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 22:37:50,005 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-06 22:37:50,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:50 BoogieIcfgContainer
[2024-11-06 22:37:50,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 22:37:50,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 22:37:50,009 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 22:37:50,013 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 22:37:50,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:49" (1/3) ...
[2024-11-06 22:37:50,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f04de8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:50, skipping insertion in model container
[2024-11-06 22:37:50,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:49" (2/3) ...
[2024-11-06 22:37:50,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f04de8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:50, skipping insertion in model container
[2024-11-06 22:37:50,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:50" (3/3) ...
[2024-11-06 22:37:50,016 INFO L112 eAbstractionObserver]: Analyzing ICFG as2013-hybrid.i
[2024-11-06 22:37:50,030 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 22:37:50,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 22:37:50,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 22:37:50,099 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;@371fe1b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 22:37:50,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 22:37:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-06 22:37:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-06 22:37:50,111 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:37:50,111 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:37:50,112 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:37:50,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:37:50,118 INFO L85 PathProgramCache]: Analyzing trace with hash 302533923, now seen corresponding path program 1 times
[2024-11-06 22:37:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:37:50,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437888707]
[2024-11-06 22:37:50,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:37:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:37:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:37:50,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:37:50,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437888707]
[2024-11-06 22:37:50,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437888707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:37:50,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:37:50,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-06 22:37:50,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200385385]
[2024-11-06 22:37:50,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:37:50,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 22:37:50,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:37:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 22:37:50,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-06 22:37:50,460 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 22:37:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:37:50,548 INFO L93 Difference]: Finished difference Result 38 states and 55 transitions.
[2024-11-06 22:37:50,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-06 22:37:50,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-06 22:37:50,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:37:50,555 INFO L225 Difference]: With dead ends: 38
[2024-11-06 22:37:50,556 INFO L226 Difference]: Without dead ends: 21
[2024-11-06 22:37:50,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:37:50,564 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:37:50,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 54 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:37:50,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2024-11-06 22:37:50,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19.
[2024-11-06 22:37:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-06 22:37:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-11-06 22:37:50,599 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 8
[2024-11-06 22:37:50,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:37:50,599 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-11-06 22:37:50,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 22:37:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-11-06 22:37:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-06 22:37:50,601 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:37:50,602 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:37:50,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 22:37:50,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:37:50,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:37:50,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1478173369, now seen corresponding path program 1 times
[2024-11-06 22:37:50,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:37:50,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326120797]
[2024-11-06 22:37:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:37:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:37:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:50,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-06 22:37:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:37:50,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:37:50,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326120797]
[2024-11-06 22:37:50,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326120797] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:37:50,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:37:50,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-06 22:37:50,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729750489]
[2024-11-06 22:37:50,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:37:50,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 22:37:50,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:37:50,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 22:37:50,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-06 22:37:50,743 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 22:37:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:37:50,808 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions.
[2024-11-06 22:37:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-06 22:37:50,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-11-06 22:37:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:37:50,810 INFO L225 Difference]: With dead ends: 49
[2024-11-06 22:37:50,810 INFO L226 Difference]: Without dead ends: 32
[2024-11-06 22:37:50,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:37:50,811 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:37:50,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 63 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:37:50,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-06 22:37:50,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30.
[2024-11-06 22:37:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-06 22:37:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2024-11-06 22:37:50,824 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 13
[2024-11-06 22:37:50,824 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:37:50,824 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2024-11-06 22:37:50,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 22:37:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2024-11-06 22:37:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-06 22:37:50,826 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:37:50,826 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:37:50,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 22:37:50,826 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:37:50,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:37:50,827 INFO L85 PathProgramCache]: Analyzing trace with hash -601669730, now seen corresponding path program 1 times
[2024-11-06 22:37:50,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:37:50,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071551088]
[2024-11-06 22:37:50,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:37:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:37:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-06 22:37:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:37:50,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:37:50,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071551088]
[2024-11-06 22:37:50,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071551088] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:37:50,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:37:50,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 22:37:50,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559609639]
[2024-11-06 22:37:50,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:37:50,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 22:37:50,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:37:50,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 22:37:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 22:37:50,864 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 22:37:50,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:37:50,897 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions.
[2024-11-06 22:37:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-06 22:37:50,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2024-11-06 22:37:50,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:37:50,900 INFO L225 Difference]: With dead ends: 66
[2024-11-06 22:37:50,901 INFO L226 Difference]: Without dead ends: 38
[2024-11-06 22:37:50,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 22:37:50,901 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:37:50,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:37:50,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2024-11-06 22:37:50,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32.
[2024-11-06 22:37:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-06 22:37:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions.
[2024-11-06 22:37:50,917 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 17
[2024-11-06 22:37:50,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:37:50,918 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions.
[2024-11-06 22:37:50,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 22:37:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions.
[2024-11-06 22:37:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-11-06 22:37:50,919 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:37:50,919 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:37:50,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-06 22:37:50,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:37:50,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:37:50,919 INFO L85 PathProgramCache]: Analyzing trace with hash -824215651, now seen corresponding path program 1 times
[2024-11-06 22:37:50,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:37:50,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302892302]
[2024-11-06 22:37:50,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:37:50,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:37:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-06 22:37:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-06 22:37:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-06 22:37:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-06 22:37:51,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:37:51,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302892302]
[2024-11-06 22:37:51,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302892302] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:37:51,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321095144]
[2024-11-06 22:37:51,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:37:51,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:37:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:37:51,044 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)
[2024-11-06 22:37:51,045 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
[2024-11-06 22:37:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-06 22:37:51,107 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:37:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-06 22:37:51,158 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:37:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-06 22:37:51,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321095144] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:37:51,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:37:51,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2024-11-06 22:37:51,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740516329]
[2024-11-06 22:37:51,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:37:51,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 22:37:51,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:37:51,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 22:37:51,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:37:51,221 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8)
[2024-11-06 22:37:51,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:37:51,281 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions.
[2024-11-06 22:37:51,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-06 22:37:51,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 29
[2024-11-06 22:37:51,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:37:51,286 INFO L225 Difference]: With dead ends: 86
[2024-11-06 22:37:51,286 INFO L226 Difference]: Without dead ends: 56
[2024-11-06 22:37:51,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:37:51,288 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:37:51,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 36 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:37:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-06 22:37:51,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-11-06 22:37:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-06 22:37:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions.
[2024-11-06 22:37:51,308 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 29
[2024-11-06 22:37:51,308 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:37:51,308 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions.
[2024-11-06 22:37:51,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8)
[2024-11-06 22:37:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions.
[2024-11-06 22:37:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-06 22:37:51,310 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:37:51,310 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:37:51,327 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
[2024-11-06 22:37:51,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:37:51,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:37:51,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:37:51,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1254033254, now seen corresponding path program 2 times
[2024-11-06 22:37:51,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:37:51,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822116217]
[2024-11-06 22:37:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:37:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:37:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-06 22:37:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2024-11-06 22:37:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-06 22:37:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-06 22:37:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-06 22:37:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-06 22:37:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-06 22:37:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-06 22:37:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-06 22:37:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:37:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked.
[2024-11-06 22:37:51,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:37:51,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822116217]
[2024-11-06 22:37:51,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822116217] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:37:51,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:37:51,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-06 22:37:51,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501944718]
[2024-11-06 22:37:51,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:37:51,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 22:37:51,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:37:51,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 22:37:51,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-06 22:37:51,736 INFO L87 Difference]: Start difference. First operand 56 states and 72 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-06 22:37:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:37:51,784 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions.
[2024-11-06 22:37:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-06 22:37:51,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65
[2024-11-06 22:37:51,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:37:51,788 INFO L225 Difference]: With dead ends: 56
[2024-11-06 22:37:51,788 INFO L226 Difference]: Without dead ends: 0
[2024-11-06 22:37:51,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:37:51,789 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:37:51,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:37:51,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 22:37:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 22:37:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 22:37:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 22:37:51,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65
[2024-11-06 22:37:51,790 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:37:51,790 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 22:37:51,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-06 22:37:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 22:37:51,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 22:37:51,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 22:37:51,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-06 22:37:51,798 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2024-11-06 22:37:51,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 22:37:51,991 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 22:37:52,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:37:52 BoogieIcfgContainer
[2024-11-06 22:37:52,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 22:37:52,010 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 22:37:52,010 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 22:37:52,010 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 22:37:52,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:50" (3/4) ...
[2024-11-06 22:37:52,012 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-06 22:37:52,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-06 22:37:52,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-06 22:37:52,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-06 22:37:52,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-06 22:37:52,021 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 22:37:52,090 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 22:37:52,091 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 22:37:52,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 22:37:52,093 INFO L158 Benchmark]: Toolchain (without parser) took 2543.28ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 56.2MB in the end (delta: 36.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB.
[2024-11-06 22:37:52,094 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:37:52,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.99ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 22:37:52,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.64ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:37:52,095 INFO L158 Benchmark]: Boogie Preprocessor took 30.87ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:37:52,095 INFO L158 Benchmark]: RCFGBuilder took 207.93ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 70.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 22:37:52,095 INFO L158 Benchmark]: TraceAbstraction took 2000.53ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 60.5MB in the end (delta: 9.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB.
[2024-11-06 22:37:52,095 INFO L158 Benchmark]: Witness Printer took 81.19ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 56.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 22:37:52,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 189.99ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.64ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.87ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 207.93ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 70.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2000.53ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 60.5MB in the end (delta: 9.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB.
* Witness Printer took 81.19ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 56.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 13]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 149 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 75 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=4, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 279/282 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
1 specifications checked. All of them hold
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: ((i <= 10) && (1 <= i))
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 9)))
- ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert. Requires: (cond != 0) Ensures: (cond != 0)
RESULT: Ultimate proved your program to be correct!
[2024-11-06 22:37:52,124 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