./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/rule60_list2.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/ldv-regression/rule60_list2.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', 'ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/rule60_list2.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 ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 22:18:51,466 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 22:18:51,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 22:18:51,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 22:18:51,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 22:18:51,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 22:18:51,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 22:18:51,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 22:18:51,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 22:18:51,580 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 22:18:51,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 22:18:51,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 22:18:51,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 22:18:51,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 22:18:51,581 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 22:18:51,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 22:18:51,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 22:18:51,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 22:18:51,583 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 22:18:51,583 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 22:18:51,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 22:18:51,583 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 22:18:51,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 22:18:51,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 22:18:51,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 22:18:51,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 22:18:51,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 22:18:51,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 22:18:51,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 22:18:51,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 22:18:51,585 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 -> ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206
[2024-11-06 22:18:51,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 22:18:51,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 22:18:51,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 22:18:51,854 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 22:18:51,854 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 22:18:51,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule60_list2.i
[2024-11-06 22:18:53,167 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 22:18:53,472 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 22:18:53,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule60_list2.i
[2024-11-06 22:18:53,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/768fae1fb/3b8d9ec8af1d4ba0b9ed0cfb137f712d/FLAG28ebb8643
[2024-11-06 22:18:53,507 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/768fae1fb/3b8d9ec8af1d4ba0b9ed0cfb137f712d
[2024-11-06 22:18:53,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 22:18:53,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 22:18:53,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 22:18:53,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 22:18:53,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 22:18:53,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26892300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53, skipping insertion in model container
[2024-11-06 22:18:53,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,553 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 22:18:53,687 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/ldv-regression/rule60_list2.i[292,305]
[2024-11-06 22:18:53,799 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 22:18:53,808 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 22:18:53,817 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/ldv-regression/rule60_list2.i[292,305]
[2024-11-06 22:18:53,849 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 22:18:53,878 INFO L204 MainTranslator]: Completed translation
[2024-11-06 22:18:53,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53 WrapperNode
[2024-11-06 22:18:53,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 22:18:53,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 22:18:53,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 22:18:53,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 22:18:53,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,922 INFO L138 Inliner]: procedures = 126, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54
[2024-11-06 22:18:53,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 22:18:53,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 22:18:53,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 22:18:53,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 22:18:53,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,949 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 0, 2]. 50 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 2]. The 0 writes are split as follows [0, 0, 0].
[2024-11-06 22:18:53,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 22:18:53,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 22:18:53,963 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 22:18:53,963 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 22:18:53,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (1/1) ...
[2024-11-06 22:18:53,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 22:18:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:18:53,996 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 22:18:54,003 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 22:18:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc
[2024-11-06 22:18:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc
[2024-11-06 22:18:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 22:18:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure list_add
[2024-11-06 22:18:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add
[2024-11-06 22:18:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-06 22:18:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-06 22:18:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-06 22:18:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert
[2024-11-06 22:18:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert
[2024-11-06 22:18:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 22:18:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 22:18:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-06 22:18:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 22:18:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 22:18:54,116 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 22:18:54,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 22:18:54,275 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-06 22:18:54,275 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 22:18:54,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 22:18:54,285 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-06 22:18:54,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:54 BoogieIcfgContainer
[2024-11-06 22:18:54,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 22:18:54,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 22:18:54,288 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 22:18:54,296 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 22:18:54,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:18:53" (1/3) ...
[2024-11-06 22:18:54,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516c8269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:54, skipping insertion in model container
[2024-11-06 22:18:54,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:53" (2/3) ...
[2024-11-06 22:18:54,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516c8269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:54, skipping insertion in model container
[2024-11-06 22:18:54,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:54" (3/3) ...
[2024-11-06 22:18:54,299 INFO L112 eAbstractionObserver]: Analyzing ICFG rule60_list2.i
[2024-11-06 22:18:54,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 22:18:54,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 22:18:54,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 22:18:54,401 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;@58af5e7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 22:18:54,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 22:18:54,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-06 22:18:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-06 22:18:54,414 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:18:54,415 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:18:54,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:18:54,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:18:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash 483918471, now seen corresponding path program 1 times
[2024-11-06 22:18:54,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:18:54,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193068997]
[2024-11-06 22:18:54,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:54,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:18:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:54,611 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 22:18:54,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:18:54,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193068997]
[2024-11-06 22:18:54,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193068997] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:18:54,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:18:54,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 22:18:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295004367]
[2024-11-06 22:18:54,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:18:54,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 22:18:54,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:18:54,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 22:18:54,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 22:18:54,634 INFO L87 Difference]: Start difference. First operand has 36 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 22:18:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:18:54,706 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions.
[2024-11-06 22:18:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-06 22:18:54,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-06 22:18:54,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:18:54,714 INFO L225 Difference]: With dead ends: 66
[2024-11-06 22:18:54,714 INFO L226 Difference]: Without dead ends: 29
[2024-11-06 22:18:54,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-06 22:18:54,722 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:18:54,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 97 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:18:54,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-06 22:18:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-06 22:18:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-06 22:18:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions.
[2024-11-06 22:18:54,759 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 7
[2024-11-06 22:18:54,760 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:18:54,760 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions.
[2024-11-06 22:18:54,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 22:18:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions.
[2024-11-06 22:18:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-06 22:18:54,761 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:18:54,761 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:18:54,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 22:18:54,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:18:54,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:18:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1376776956, now seen corresponding path program 1 times
[2024-11-06 22:18:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:18:54,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182513513]
[2024-11-06 22:18:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:18:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:18:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:18:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-06 22:18:55,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:18:55,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182513513]
[2024-11-06 22:18:55,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182513513] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:18:55,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245311099]
[2024-11-06 22:18:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:55,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:18:55,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:18:55,142 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 22:18:55,145 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 22:18:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 22:18:55,242 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:18:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-06 22:18:55,310 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:18:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-06 22:18:55,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245311099] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:18:55,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:18:55,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7
[2024-11-06 22:18:55,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87999172]
[2024-11-06 22:18:55,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:18:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 22:18:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:18:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 22:18:55,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:18:55,404 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-06 22:18:55,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:18:55,499 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions.
[2024-11-06 22:18:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-06 22:18:55,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26
[2024-11-06 22:18:55,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:18:55,501 INFO L225 Difference]: With dead ends: 51
[2024-11-06 22:18:55,502 INFO L226 Difference]: Without dead ends: 32
[2024-11-06 22:18:55,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:18:55,503 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 11 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 22:18:55,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 117 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 22:18:55,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-06 22:18:55,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-11-06 22:18:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5)
[2024-11-06 22:18:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions.
[2024-11-06 22:18:55,515 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 26
[2024-11-06 22:18:55,515 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:18:55,515 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions.
[2024-11-06 22:18:55,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-06 22:18:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions.
[2024-11-06 22:18:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-06 22:18:55,516 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:18:55,516 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:18:55,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-06 22:18:55,720 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
[2024-11-06 22:18:55,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:18:55,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:18:55,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2100541890, now seen corresponding path program 1 times
[2024-11-06 22:18:55,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:18:55,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844646180]
[2024-11-06 22:18:55,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:55,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:18:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:18:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:18:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-06 22:18:55,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:18:55,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844646180]
[2024-11-06 22:18:55,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844646180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:18:55,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:18:55,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-06 22:18:55,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004006247]
[2024-11-06 22:18:55,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:18:55,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 22:18:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:18:55,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 22:18:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:18:55,908 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-06 22:18:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:18:55,983 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions.
[2024-11-06 22:18:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-06 22:18:55,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2024-11-06 22:18:55,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:18:55,985 INFO L225 Difference]: With dead ends: 49
[2024-11-06 22:18:55,985 INFO L226 Difference]: Without dead ends: 29
[2024-11-06 22:18:55,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 22:18:55,986 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 22:18:55,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 106 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 22:18:55,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-06 22:18:55,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-06 22:18:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-06 22:18:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions.
[2024-11-06 22:18:55,990 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 26
[2024-11-06 22:18:55,991 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:18:55,991 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions.
[2024-11-06 22:18:55,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-06 22:18:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions.
[2024-11-06 22:18:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-06 22:18:55,991 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:18:55,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:18:55,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-06 22:18:55,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:18:55,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:18:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1493360828, now seen corresponding path program 1 times
[2024-11-06 22:18:55,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:18:55,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596677605]
[2024-11-06 22:18:55,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:55,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:18:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:56,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:18:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:18:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-06 22:18:56,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:18:56,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596677605]
[2024-11-06 22:18:56,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596677605] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:18:56,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007903064]
[2024-11-06 22:18:56,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:56,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:18:56,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:18:56,338 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)
[2024-11-06 22:18:56,340 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
[2024-11-06 22:18:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:56,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 22:18:56,416 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:18:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-06 22:18:56,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 22:18:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007903064] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:18:56,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-06 22:18:56,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 22
[2024-11-06 22:18:56,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721053788]
[2024-11-06 22:18:56,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:18:56,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-06 22:18:56,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:18:56,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-06 22:18:56,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506
[2024-11-06 22:18:56,762 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-06 22:18:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:18:57,097 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions.
[2024-11-06 22:18:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-06 22:18:57,098 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26
[2024-11-06 22:18:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:18:57,099 INFO L225 Difference]: With dead ends: 55
[2024-11-06 22:18:57,099 INFO L226 Difference]: Without dead ends: 46
[2024-11-06 22:18:57,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=860, Unknown=0, NotChecked=0, Total=992
[2024-11-06 22:18:57,101 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 50 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-06 22:18:57,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 106 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-06 22:18:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-06 22:18:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40.
[2024-11-06 22:18:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6)
[2024-11-06 22:18:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions.
[2024-11-06 22:18:57,114 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 26
[2024-11-06 22:18:57,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:18:57,115 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions.
[2024-11-06 22:18:57,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-06 22:18:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions.
[2024-11-06 22:18:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-11-06 22:18:57,116 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:18:57,116 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:18:57,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-06 22:18:57,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:18:57,317 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:18:57,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:18:57,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1025994815, now seen corresponding path program 1 times
[2024-11-06 22:18:57,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:18:57,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570765103]
[2024-11-06 22:18:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:57,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:18:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:57,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:18:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:57,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:18:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-06 22:18:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-06 22:18:57,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:18:57,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570765103]
[2024-11-06 22:18:57,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570765103] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:18:57,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560268695]
[2024-11-06 22:18:57,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:57,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:18:57,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:18:57,688 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)
[2024-11-06 22:18:57,690 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
[2024-11-06 22:18:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:57,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-06 22:18:57,799 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:18:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:18:58,004 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:18:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:18:58,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560268695] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:18:58,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:18:58,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 25
[2024-11-06 22:18:58,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309243896]
[2024-11-06 22:18:58,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:18:58,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-06 22:18:58,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:18:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-06 22:18:58,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600
[2024-11-06 22:18:58,311 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 25 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 19 states have internal predecessors, (39), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-11-06 22:18:58,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:18:58,901 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions.
[2024-11-06 22:18:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-06 22:18:58,901 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 19 states have internal predecessors, (39), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 33
[2024-11-06 22:18:58,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:18:58,902 INFO L225 Difference]: With dead ends: 55
[2024-11-06 22:18:58,902 INFO L226 Difference]: Without dead ends: 48
[2024-11-06 22:18:58,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 48 SyntacticMatches, 15 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=1175, Unknown=0, NotChecked=0, Total=1332
[2024-11-06 22:18:58,903 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 59 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-06 22:18:58,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 95 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-06 22:18:58,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-06 22:18:58,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44.
[2024-11-06 22:18:58,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7)
[2024-11-06 22:18:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions.
[2024-11-06 22:18:58,913 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 33
[2024-11-06 22:18:58,913 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:18:58,913 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions.
[2024-11-06 22:18:58,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 19 states have internal predecessors, (39), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-11-06 22:18:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions.
[2024-11-06 22:18:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-11-06 22:18:58,914 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:18:58,914 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:18:58,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-06 22:18:59,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:18:59,119 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:18:59,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:18:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 216648189, now seen corresponding path program 1 times
[2024-11-06 22:18:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:18:59,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943508061]
[2024-11-06 22:18:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:59,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:18:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:59,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:18:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:18:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-06 22:18:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-06 22:18:59,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:18:59,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943508061]
[2024-11-06 22:18:59,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943508061] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:18:59,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839288678]
[2024-11-06 22:18:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:18:59,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:18:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:18:59,381 INFO L229 MonitoredProcess]: Starting monitored process 5 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 22:18:59,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-06 22:18:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:18:59,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-06 22:18:59,459 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:18:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:18:59,761 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:19:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 22:19:00,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839288678] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:19:00,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:19:00,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34
[2024-11-06 22:19:00,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753878990]
[2024-11-06 22:19:00,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:19:00,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2024-11-06 22:19:00,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:19:00,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2024-11-06 22:19:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=997, Unknown=0, NotChecked=0, Total=1122
[2024-11-06 22:19:00,081 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 34 states, 34 states have (on average 1.8529411764705883) internal successors, (63), 26 states have internal predecessors, (63), 7 states have call successors, (13), 11 states have call predecessors, (13), 7 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9)
[2024-11-06 22:19:00,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:19:00,625 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions.
[2024-11-06 22:19:00,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-06 22:19:00,625 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.8529411764705883) internal successors, (63), 26 states have internal predecessors, (63), 7 states have call successors, (13), 11 states have call predecessors, (13), 7 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 33
[2024-11-06 22:19:00,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:19:00,626 INFO L225 Difference]: With dead ends: 57
[2024-11-06 22:19:00,627 INFO L226 Difference]: Without dead ends: 54
[2024-11-06 22:19:00,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=281, Invalid=1699, Unknown=0, NotChecked=0, Total=1980
[2024-11-06 22:19:00,628 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 125 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-06 22:19:00,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 89 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-06 22:19:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-06 22:19:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 44.
[2024-11-06 22:19:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7)
[2024-11-06 22:19:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions.
[2024-11-06 22:19:00,635 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 33
[2024-11-06 22:19:00,636 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:19:00,636 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions.
[2024-11-06 22:19:00,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.8529411764705883) internal successors, (63), 26 states have internal predecessors, (63), 7 states have call successors, (13), 11 states have call predecessors, (13), 7 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9)
[2024-11-06 22:19:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions.
[2024-11-06 22:19:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-06 22:19:00,637 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:19:00,637 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:19:00,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-06 22:19:00,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-06 22:19:00,838 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:19:00,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:19:00,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1230299368, now seen corresponding path program 1 times
[2024-11-06 22:19:00,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:19:00,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509559370]
[2024-11-06 22:19:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:19:00,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:19:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:01,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:19:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:19:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-06 22:19:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-06 22:19:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-11-06 22:19:01,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:19:01,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509559370]
[2024-11-06 22:19:01,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509559370] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:19:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508021071]
[2024-11-06 22:19:01,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:19:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:19:01,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:19:01,147 INFO L229 MonitoredProcess]: Starting monitored process 6 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 22:19:01,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-06 22:19:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:01,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 22:19:01,233 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:19:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-06 22:19:01,502 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:19:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-06 22:19:01,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508021071] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:19:01,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:19:01,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 28
[2024-11-06 22:19:01,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408738738]
[2024-11-06 22:19:01,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:19:01,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-06 22:19:01,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:19:01,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-06 22:19:01,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756
[2024-11-06 22:19:01,849 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 21 states have internal predecessors, (53), 8 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9)
[2024-11-06 22:19:02,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:19:02,482 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions.
[2024-11-06 22:19:02,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-11-06 22:19:02,482 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 21 states have internal predecessors, (53), 8 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) Word has length 43
[2024-11-06 22:19:02,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:19:02,483 INFO L225 Difference]: With dead ends: 64
[2024-11-06 22:19:02,483 INFO L226 Difference]: Without dead ends: 53
[2024-11-06 22:19:02,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 67 SyntacticMatches, 14 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=1843, Unknown=0, NotChecked=0, Total=2070
[2024-11-06 22:19:02,484 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 76 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-06 22:19:02,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 120 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-06 22:19:02,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-06 22:19:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44.
[2024-11-06 22:19:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7)
[2024-11-06 22:19:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions.
[2024-11-06 22:19:02,492 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 43
[2024-11-06 22:19:02,492 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:19:02,492 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions.
[2024-11-06 22:19:02,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 21 states have internal predecessors, (53), 8 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9)
[2024-11-06 22:19:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions.
[2024-11-06 22:19:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-06 22:19:02,493 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:19:02,493 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:19:02,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-06 22:19:02,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:19:02,694 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:19:02,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:19:02,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1289660566, now seen corresponding path program 1 times
[2024-11-06 22:19:02,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:19:02,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770383628]
[2024-11-06 22:19:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:19:02,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:19:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:02,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:19:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:02,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:19:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-06 22:19:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:02,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-06 22:19:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-06 22:19:03,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:19:03,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770383628]
[2024-11-06 22:19:03,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770383628] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:19:03,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799586274]
[2024-11-06 22:19:03,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:19:03,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:19:03,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:19:03,030 INFO L229 MonitoredProcess]: Starting monitored process 7 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 22:19:03,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-06 22:19:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:03,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-06 22:19:03,128 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:19:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-06 22:19:03,293 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:19:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-06 22:19:03,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799586274] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:19:03,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:19:03,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 25
[2024-11-06 22:19:03,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929188993]
[2024-11-06 22:19:03,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:19:03,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-06 22:19:03,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:19:03,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-06 22:19:03,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600
[2024-11-06 22:19:03,559 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 25 states, 24 states have (on average 2.0) internal successors, (48), 20 states have internal predecessors, (48), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-06 22:19:03,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:19:03,952 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions.
[2024-11-06 22:19:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-06 22:19:03,952 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 20 states have internal predecessors, (48), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 43
[2024-11-06 22:19:03,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:19:03,953 INFO L225 Difference]: With dead ends: 53
[2024-11-06 22:19:03,953 INFO L226 Difference]: Without dead ends: 37
[2024-11-06 22:19:03,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 71 SyntacticMatches, 15 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=157, Invalid=1175, Unknown=0, NotChecked=0, Total=1332
[2024-11-06 22:19:03,954 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 46 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-06 22:19:03,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 102 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-06 22:19:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-06 22:19:03,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-06 22:19:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-06 22:19:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions.
[2024-11-06 22:19:03,962 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 43
[2024-11-06 22:19:03,962 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:19:03,962 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions.
[2024-11-06 22:19:03,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 20 states have internal predecessors, (48), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-06 22:19:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions.
[2024-11-06 22:19:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-06 22:19:03,963 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:19:03,963 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:19:03,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-06 22:19:04,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-11-06 22:19:04,164 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:19:04,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:19:04,164 INFO L85 PathProgramCache]: Analyzing trace with hash -588595988, now seen corresponding path program 1 times
[2024-11-06 22:19:04,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:19:04,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120522725]
[2024-11-06 22:19:04,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:19:04,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:19:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:04,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-06 22:19:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-06 22:19:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-06 22:19:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-06 22:19:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-11-06 22:19:04,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:19:04,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120522725]
[2024-11-06 22:19:04,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120522725] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 22:19:04,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195167046]
[2024-11-06 22:19:04,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:19:04,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:19:04,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:19:04,306 INFO L229 MonitoredProcess]: Starting monitored process 8 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 22:19:04,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-06 22:19:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:19:04,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 29 conjuncts are in the unsatisfiable core
[2024-11-06 22:19:04,402 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 22:19:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-06 22:19:04,497 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 22:19:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-06 22:19:04,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195167046] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 22:19:04,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-06 22:19:04,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 16
[2024-11-06 22:19:04,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092060475]
[2024-11-06 22:19:04,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-06 22:19:04,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-06 22:19:04,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:19:04,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-06 22:19:04,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240
[2024-11-06 22:19:04,599 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-06 22:19:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:19:04,774 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions.
[2024-11-06 22:19:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-06 22:19:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 43
[2024-11-06 22:19:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:19:04,774 INFO L225 Difference]: With dead ends: 37
[2024-11-06 22:19:04,774 INFO L226 Difference]: Without dead ends: 0
[2024-11-06 22:19:04,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380
[2024-11-06 22:19:04,775 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 22:19:04,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 85 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 22:19:04,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 22:19:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 22:19:04,776 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 22:19:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 22:19:04,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43
[2024-11-06 22:19:04,776 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:19:04,776 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 22:19:04,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 12 states have internal predecessors, (43), 5 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-06 22:19:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 22:19:04,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 22:19:04,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 22:19:04,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-06 22:19:04,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 22:19:04,983 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 22:19:04,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 22:19:05,527 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 22:19:05,535 WARN L156 FloydHoareUtils]: Requires clause for my_malloc contained old-variable. Original clause: (and (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |my_malloc_#in~size#1| 8)) Eliminated clause: (= |my_malloc_#in~size#1| 8)
[2024-11-06 22:19:05,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base
[2024-11-06 22:19:05,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset
[2024-11-06 22:19:05,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset
[2024-11-06 22:19:05,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-06 22:19:05,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-06 22:19:05,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-06 22:19:05,553 WARN L156 FloydHoareUtils]: Requires clause for list_add contained old-variable. Original clause: (and (= |old(~elem~0.offset)| ~elem~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (let ((.cse0 (<= 1 ~guard_malloc_counter~0.offset))) (or (and (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|) .cse0) (and .cse0 (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|))))) Eliminated clause: (let ((.cse0 (<= 1 ~guard_malloc_counter~0.offset))) (or (and (<= (+ |list_add_#in~new.offset| 1) ~elem~0.offset) .cse0) (and (<= (+ ~elem~0.offset 1) |list_add_#in~new.offset|) .cse0)))
[2024-11-06 22:19:05,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset
[2024-11-06 22:19:05,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~elem~0!offset
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-06 22:19:05,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-06 22:19:05,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-06 22:19:05,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-06 22:19:05,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-06 22:19:05,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-06 22:19:05,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:19:05 BoogieIcfgContainer
[2024-11-06 22:19:05,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 22:19:05,574 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 22:19:05,574 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 22:19:05,574 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 22:19:05,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:54" (3/4) ...
[2024-11-06 22:19:05,578 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-06 22:19:05,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_malloc
[2024-11-06 22:19:05,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add
[2024-11-06 22:19:05,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert
[2024-11-06 22:19:05,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2024-11-06 22:19:05,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-06 22:19:05,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-06 22:19:05,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 22:19:05,652 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 22:19:05,653 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 22:19:05,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 22:19:05,654 INFO L158 Benchmark]: Toolchain (without parser) took 12142.44ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 76.1MB in the beginning and 74.3MB in the end (delta: 1.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB.
[2024-11-06 22:19:05,655 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:19:05,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.93ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 58.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 22:19:05,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.69ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 57.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:19:05,656 INFO L158 Benchmark]: Boogie Preprocessor took 39.89ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:19:05,656 INFO L158 Benchmark]: RCFGBuilder took 322.77ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 43.5MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 22:19:05,656 INFO L158 Benchmark]: TraceAbstraction took 11285.22ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 78.5MB in the end (delta: -35.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB.
[2024-11-06 22:19:05,657 INFO L158 Benchmark]: Witness Printer took 79.06ms. Allocated memory is still 125.8MB. Free memory was 78.5MB in the beginning and 74.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:19:05,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.76ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 366.93ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 58.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.69ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 57.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.89ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 322.77ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 43.5MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 11285.22ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 78.5MB in the end (delta: -35.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB.
* Witness Printer took 79.06ms. Allocated memory is still 125.8MB. Free memory was 78.5MB in the beginning and 74.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #res!base
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #res!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #res!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #in~new!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #in~new!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #in~new!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #in~new!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~guard_malloc_counter~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #in~new!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~elem~0!offset
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
* 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: 6]: 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 4 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 403 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 917 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 758 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3065 IncrementalHoareTripleChecker+Invalid, 3225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 159 mSDtfsCounter, 3065 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 667 GetRequests, 404 SyntacticMatches, 45 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=5, InterpolantAutomatonStates: 108, 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, 9 MinimizatonAttempts, 29 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 527 NumberOfCodeBlocks, 527 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 726 ConstructedInterpolants, 0 QuantifiedInterpolants, 2509 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1439 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 154/249 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
- ProcedureContractResult [Line: 528]: Procedure Contract for my_malloc
Derived contract for procedure my_malloc. Requires: (size == 8) Ensures: ((size == 8) && (((guard_malloc_counter == \old(guard_malloc_counter)) && (elem == \old(elem))) && (head == \old(head))))
- ProcedureContractResult [Line: 535]: Procedure Contract for list_add
Derived contract for procedure list_add. Ensures: (((guard_malloc_counter == \old(guard_malloc_counter)) && (elem == \old(elem))) && (head == \old(head)))
- ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert
Derived contract for procedure __blast_assert. Requires: 0 Ensures: (0 && (((guard_malloc_counter == \old(guard_malloc_counter)) && (elem == \old(elem))) && (head == \old(head))))
RESULT: Ultimate proved your program to be correct!
[2024-11-06 22:19:05,689 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