./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_11.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1 --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 c506323d3bd63f7e6137c28fc1be825d2491f66f4e75ccbab60530df37ca16f1
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:59:36,278 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:59:36,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 08:59:36,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:59:36,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:59:36,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:59:36,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:59:36,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:59:36,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:59:36,373 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:59:36,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:59:36,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:59:36,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:59:36,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:59:36,374 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:59:36,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:59:36,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 08:59:36,374 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:59:36,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:59:36,375 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:59:36,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:59:36,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:59:36,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:59:36,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:59:36,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:59:36,377 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1
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 -> c506323d3bd63f7e6137c28fc1be825d2491f66f4e75ccbab60530df37ca16f1
[2024-12-02 08:59:36,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:59:36,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:59:36,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:59:36,647 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:59:36,647 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:59:36,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loops-crafted-1/mono-crafted_11.c
[2024-12-02 08:59:39,418 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/data/50ac4e977/c9dae14a4cf2469491d09ae874325039/FLAG108146969
[2024-12-02 08:59:39,592 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:59:39,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/sv-benchmarks/c/loops-crafted-1/mono-crafted_11.c
[2024-12-02 08:59:39,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/data/50ac4e977/c9dae14a4cf2469491d09ae874325039/FLAG108146969
[2024-12-02 08:59:39,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/data/50ac4e977/c9dae14a4cf2469491d09ae874325039
[2024-12-02 08:59:39,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:59:39,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:59:39,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:59:39,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:59:39,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:59:39,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6120a231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39, skipping insertion in model container
[2024-12-02 08:59:39,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,631 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:59:39,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/sv-benchmarks/c/loops-crafted-1/mono-crafted_11.c[319,332]
[2024-12-02 08:59:39,746 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:59:39,754 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:59:39,761 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/sv-benchmarks/c/loops-crafted-1/mono-crafted_11.c[319,332]
[2024-12-02 08:59:39,764 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:59:39,776 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:59:39,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39 WrapperNode
[2024-12-02 08:59:39,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:59:39,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:59:39,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:59:39,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:59:39,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,801 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26
[2024-12-02 08:59:39,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:59:39,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:59:39,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:59:39,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:59:39,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 08:59:39,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:59:39,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:59:39,829 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:59:39,829 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:59:39,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (1/1) ...
[2024-12-02 08:59:39,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:59:39,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:59:39,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:59:39,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:59:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:59:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:59:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:59:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:59:39,931 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:59:39,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:59:40,022 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live.
[2024-12-02 08:59:40,022 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:59:40,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:59:40,030 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 08:59:40,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:40 BoogieIcfgContainer
[2024-12-02 08:59:40,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:59:40,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:59:40,034 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:59:40,038 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:59:40,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:59:39" (1/3) ...
[2024-12-02 08:59:40,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610a4966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:40, skipping insertion in model container
[2024-12-02 08:59:40,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39" (2/3) ...
[2024-12-02 08:59:40,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610a4966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:40, skipping insertion in model container
[2024-12-02 08:59:40,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:40" (3/3) ...
[2024-12-02 08:59:40,041 INFO L128 eAbstractionObserver]: Analyzing ICFG mono-crafted_11.c
[2024-12-02 08:59:40,054 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:59:40,056 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mono-crafted_11.c that has 1 procedures, 12 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 08:59:40,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:59:40,116 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;@749fa583, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:59:40,116 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 08:59:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:59:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 08:59:40,125 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:59:40,126 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 08:59:40,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:59:40,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:59:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times
[2024-12-02 08:59:40,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:59:40,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148184389]
[2024-12-02 08:59:40,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:59:40,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:59:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:59:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:40,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:59:40,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148184389]
[2024-12-02 08:59:40,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148184389] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:59:40,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:59:40,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:59:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333376700]
[2024-12-02 08:59:40,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:59:40,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 08:59:40,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:59:40,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 08:59:40,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 08:59:40,270 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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)
[2024-12-02 08:59:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:59:40,278 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions.
[2024-12-02 08:59:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 08:59:40,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6
[2024-12-02 08:59:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:59:40,284 INFO L225 Difference]: With dead ends: 20
[2024-12-02 08:59:40,284 INFO L226 Difference]: Without dead ends: 8
[2024-12-02 08:59:40,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 08:59:40,288 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:59:40,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:59:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2024-12-02 08:59:40,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2024-12-02 08:59:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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)
[2024-12-02 08:59:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions.
[2024-12-02 08:59:40,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6
[2024-12-02 08:59:40,310 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:59:40,310 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions.
[2024-12-02 08:59:40,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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)
[2024-12-02 08:59:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions.
[2024-12-02 08:59:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 08:59:40,311 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:59:40,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 08:59:40,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:59:40,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:59:40,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:59:40,312 INFO L85 PathProgramCache]: Analyzing trace with hash 889669584, now seen corresponding path program 1 times
[2024-12-02 08:59:40,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:59:40,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378963098]
[2024-12-02 08:59:40,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:59:40,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:59:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:59:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:40,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:59:40,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378963098]
[2024-12-02 08:59:40,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378963098] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:59:40,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:59:40,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 08:59:40,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875913692]
[2024-12-02 08:59:40,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:59:40,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:59:40,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:59:40,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:59:40,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:59:40,403 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2024-12-02 08:59:40,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:59:40,420 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions.
[2024-12-02 08:59:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:59:40,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6
[2024-12-02 08:59:40,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:59:40,421 INFO L225 Difference]: With dead ends: 16
[2024-12-02 08:59:40,421 INFO L226 Difference]: Without dead ends: 10
[2024-12-02 08:59:40,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:59:40,422 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:59:40,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:59:40,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-12-02 08:59:40,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2024-12-02 08:59:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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)
[2024-12-02 08:59:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions.
[2024-12-02 08:59:40,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6
[2024-12-02 08:59:40,425 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:59:40,425 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions.
[2024-12-02 08:59:40,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2024-12-02 08:59:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions.
[2024-12-02 08:59:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 08:59:40,425 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:59:40,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:59:40,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:59:40,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:59:40,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:59:40,426 INFO L85 PathProgramCache]: Analyzing trace with hash 209834262, now seen corresponding path program 1 times
[2024-12-02 08:59:40,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:59:40,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684228061]
[2024-12-02 08:59:40,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:59:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:59:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:59:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:40,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:59:40,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684228061]
[2024-12-02 08:59:40,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684228061] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:59:40,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810042954]
[2024-12-02 08:59:40,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:59:40,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:59:40,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:59:40,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 08:59:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:59:40,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 08:59:40,581 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:59:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:40,605 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:59:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:40,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810042954] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:59:40,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:59:40,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2024-12-02 08:59:40,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619502618]
[2024-12-02 08:59:40,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:59:40,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 08:59:40,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:59:40,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:59:40,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:59:40,651 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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)
[2024-12-02 08:59:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:59:40,713 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions.
[2024-12-02 08:59:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 08:59:40,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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) Word has length 8
[2024-12-02 08:59:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:59:40,714 INFO L225 Difference]: With dead ends: 20
[2024-12-02 08:59:40,714 INFO L226 Difference]: Without dead ends: 14
[2024-12-02 08:59:40,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56
[2024-12-02 08:59:40,715 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:59:40,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 08:59:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-12-02 08:59:40,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13.
[2024-12-02 08:59:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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)
[2024-12-02 08:59:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-12-02 08:59:40,720 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 8
[2024-12-02 08:59:40,720 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:59:40,720 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-12-02 08:59:40,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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)
[2024-12-02 08:59:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-12-02 08:59:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 08:59:40,721 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:59:40,721 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:59:40,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 08:59:40,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:40,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:59:40,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:59:40,922 INFO L85 PathProgramCache]: Analyzing trace with hash 142853668, now seen corresponding path program 1 times
[2024-12-02 08:59:40,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:59:40,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024741915]
[2024-12-02 08:59:40,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:59:40,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:59:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:59:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:41,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:59:41,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024741915]
[2024-12-02 08:59:41,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024741915] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:59:41,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967723887]
[2024-12-02 08:59:41,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:59:41,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:59:41,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:59:41,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 08:59:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:59:41,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 08:59:41,105 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:59:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:41,159 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:59:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 08:59:41,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967723887] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:59:41,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:59:41,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 5] total 10
[2024-12-02 08:59:41,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772386329]
[2024-12-02 08:59:41,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:59:41,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 08:59:41,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:59:41,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 08:59:41,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-12-02 08:59:41,233 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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)
[2024-12-02 08:59:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:59:41,320 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions.
[2024-12-02 08:59:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:59:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) Word has length 12
[2024-12-02 08:59:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:59:41,321 INFO L225 Difference]: With dead ends: 27
[2024-12-02 08:59:41,321 INFO L226 Difference]: Without dead ends: 18
[2024-12-02 08:59:41,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-12-02 08:59:41,323 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:59:41,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:59:41,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-12-02 08:59:41,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17.
[2024-12-02 08:59:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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)
[2024-12-02 08:59:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2024-12-02 08:59:41,329 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12
[2024-12-02 08:59:41,329 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:59:41,329 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2024-12-02 08:59:41,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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)
[2024-12-02 08:59:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2024-12-02 08:59:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 08:59:41,329 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:59:41,330 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:59:41,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-12-02 08:59:41,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:41,530 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:59:41,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:59:41,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1993882902, now seen corresponding path program 2 times
[2024-12-02 08:59:41,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:59:41,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848923287]
[2024-12-02 08:59:41,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:59:41,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:59:41,549 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 08:59:41,549 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:59:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:41,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:59:41,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848923287]
[2024-12-02 08:59:41,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848923287] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:59:41,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887356700]
[2024-12-02 08:59:41,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:59:41,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:41,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:59:41,662 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:59:41,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 08:59:41,696 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 08:59:41,696 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:59:41,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 08:59:41,697 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:59:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:41,727 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:59:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:59:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887356700] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:59:41,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:59:41,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12
[2024-12-02 08:59:41,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038876344]
[2024-12-02 08:59:41,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:59:41,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 08:59:41,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:59:41,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 08:59:41,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132
[2024-12-02 08:59:41,885 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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)
[2024-12-02 08:59:42,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:59:42,158 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions.
[2024-12-02 08:59:42,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 08:59:42,159 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) Word has length 14
[2024-12-02 08:59:42,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:59:42,159 INFO L225 Difference]: With dead ends: 36
[2024-12-02 08:59:42,159 INFO L226 Difference]: Without dead ends: 27
[2024-12-02 08:59:42,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240
[2024-12-02 08:59:42,160 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:59:42,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:59:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-12-02 08:59:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2024-12-02 08:59:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 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)
[2024-12-02 08:59:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions.
[2024-12-02 08:59:42,167 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 14
[2024-12-02 08:59:42,167 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:59:42,167 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions.
[2024-12-02 08:59:42,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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)
[2024-12-02 08:59:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions.
[2024-12-02 08:59:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-02 08:59:42,168 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:59:42,168 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:59:42,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 08:59:42,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:42,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:59:42,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:59:42,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2111391730, now seen corresponding path program 3 times
[2024-12-02 08:59:42,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:59:42,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797772681]
[2024-12-02 08:59:42,369 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:59:42,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:59:42,387 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-12-02 08:59:42,387 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:59:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-12-02 08:59:42,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:59:42,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797772681]
[2024-12-02 08:59:42,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797772681] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:59:42,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697839025]
[2024-12-02 08:59:42,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:59:42,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:42,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:59:42,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:59:42,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 08:59:42,605 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-12-02 08:59:42,605 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:59:42,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 08:59:42,607 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:59:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-12-02 08:59:42,652 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:59:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-12-02 08:59:42,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697839025] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:59:42,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:59:42,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10
[2024-12-02 08:59:42,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096237537]
[2024-12-02 08:59:42,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:59:42,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 08:59:42,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:59:42,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 08:59:42,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-02 08:59:42,698 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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)
[2024-12-02 08:59:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:59:42,897 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions.
[2024-12-02 08:59:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 08:59:42,897 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) Word has length 26
[2024-12-02 08:59:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:59:42,898 INFO L225 Difference]: With dead ends: 46
[2024-12-02 08:59:42,898 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 08:59:42,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210
[2024-12-02 08:59:42,899 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 14 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 08:59:42,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 08:59:42,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 08:59:42,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 08:59:42,900 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)
[2024-12-02 08:59:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 08:59:42,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26
[2024-12-02 08:59:42,900 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:59:42,900 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 08:59:42,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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)
[2024-12-02 08:59:42,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 08:59:42,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 08:59:42,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 08:59:42,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 08:59:43,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:59:43,106 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1]
[2024-12-02 08:59:43,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 08:59:43,283 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 08:59:43,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:59:43 BoogieIcfgContainer
[2024-12-02 08:59:43,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 08:59:43,298 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:59:43,298 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:59:43,298 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:59:43,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:40" (3/4) ...
[2024-12-02 08:59:43,301 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 08:59:43,308 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-12-02 08:59:43,309 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 08:59:43,309 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 08:59:43,309 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 08:59:43,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 08:59:43,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 08:59:43,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:59:43,383 INFO L158 Benchmark]: Toolchain (without parser) took 3767.47ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 46.8MB in the end (delta: 69.7MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB.
[2024-12-02 08:59:43,384 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:59:43,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.00ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:59:43,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.06ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:59:43,385 INFO L158 Benchmark]: Boogie Preprocessor took 26.43ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:59:43,385 INFO L158 Benchmark]: RCFGBuilder took 201.67ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 94.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:59:43,385 INFO L158 Benchmark]: TraceAbstraction took 3264.13ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 50.9MB in the end (delta: 42.8MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB.
[2024-12-02 08:59:43,385 INFO L158 Benchmark]: Witness Printer took 84.55ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 46.8MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:59:43,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 160.00ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 24.06ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.43ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 201.67ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 94.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 3264.13ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 50.9MB in the end (delta: 42.8MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB.
* Witness Printer took 84.55ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 46.8MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 4]: 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 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 38 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=5, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 132 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 2 NumberOfNonLiveVariables, 168 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 316/378 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, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 8]: Loop Invariant
Derived loop invariant: ((((((unsigned long long) 4294967295 * x) + 10000000) % 4294967296) <= 9999999) || ((x <= (50000000 + (x / 2))) && ((x % 2) == 0)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 08:59:43,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738114fe-1bfb-4b2c-9e64-78da1a69ae02/bin/uautomizer-verify-84ZbGMXZE1/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