./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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 64bit --witnessprinter.graph.data.programhash caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:56:27,359 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:56:27,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 06:56:27,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:56:27,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:56:27,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:56:27,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:56:27,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:56:27,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:56:27,445 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:56:27,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:56:27,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:56:27,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:56:27,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:56:27,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:56:27,447 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:56:27,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:56:27,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:56:27,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:56:27,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:56:27,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:56:27,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:56:27,449 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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a
[2024-12-02 06:56:27,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:56:27,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:56:27,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:56:27,690 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:56:27,690 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:56:27,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c
[2024-12-02 06:56:30,288 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/275f296cc/a07e21ab2a0d44f6828e9af3842263a8/FLAGb7b596f43
[2024-12-02 06:56:30,510 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:56:30,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c
[2024-12-02 06:56:30,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/275f296cc/a07e21ab2a0d44f6828e9af3842263a8/FLAGb7b596f43
[2024-12-02 06:56:30,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/275f296cc/a07e21ab2a0d44f6828e9af3842263a8
[2024-12-02 06:56:30,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:56:30,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:56:30,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:56:30,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:56:30,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:56:30,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e244c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30, skipping insertion in model container
[2024-12-02 06:56:30,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,561 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:56:30,687 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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262]
[2024-12-02 06:56:30,757 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:56:30,765 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:56:30,772 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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262]
[2024-12-02 06:56:30,812 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:56:30,826 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:56:30,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30 WrapperNode
[2024-12-02 06:56:30,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:56:30,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:56:30,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:56:30,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:56:30,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,882 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 417
[2024-12-02 06:56:30,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:56:30,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:56:30,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:56:30,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:56:30,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,920 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 06:56:30,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:56:30,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:56:30,952 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:56:30,952 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:56:30,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (1/1) ...
[2024-12-02 06:56:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:56:30,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:30,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:56:30,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:56:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:56:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:56:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:56:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:56:31,107 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:56:31,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:56:31,623 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live.
[2024-12-02 06:56:31,624 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:56:31,634 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:56:31,634 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 06:56:31,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:31 BoogieIcfgContainer
[2024-12-02 06:56:31,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:56:31,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:56:31,637 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:56:31,641 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:56:31,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:56:30" (1/3) ...
[2024-12-02 06:56:31,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f95d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:31, skipping insertion in model container
[2024-12-02 06:56:31,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:30" (2/3) ...
[2024-12-02 06:56:31,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f95d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:31, skipping insertion in model container
[2024-12-02 06:56:31,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:31" (3/3) ...
[2024-12-02 06:56:31,643 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c
[2024-12-02 06:56:31,658 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:56:31,659 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.eq_sdp_v1.c that has 1 procedures, 94 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 06:56:31,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:56:31,721 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;@40f90f12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:56:31,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:56:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 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 06:56:31,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-12-02 06:56:31,731 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:31,731 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:31,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:31,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1381663579, now seen corresponding path program 1 times
[2024-12-02 06:56:31,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:31,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684933123]
[2024-12-02 06:56:31,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:31,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:32,200 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 06:56:32,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:32,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684933123]
[2024-12-02 06:56:32,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684933123] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:56:32,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:56:32,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:56:32,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16580275]
[2024-12-02 06:56:32,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:56:32,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:56:32,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:56:32,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:56:32,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:56:32,222 INFO L87 Difference]: Start difference. First operand has 94 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 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 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 06:56:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:32,271 INFO L93 Difference]: Finished difference Result 137 states and 201 transitions.
[2024-12-02 06:56:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:56:32,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39
[2024-12-02 06:56:32,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:32,278 INFO L225 Difference]: With dead ends: 137
[2024-12-02 06:56:32,278 INFO L226 Difference]: Without dead ends: 93
[2024-12-02 06:56:32,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:56:32,283 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:32,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 387 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:56:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-12-02 06:56:32,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2024-12-02 06:56:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 92 states have internal predecessors, (135), 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 06:56:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions.
[2024-12-02 06:56:32,309 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 39
[2024-12-02 06:56:32,310 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:32,310 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions.
[2024-12-02 06:56:32,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 06:56:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions.
[2024-12-02 06:56:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 06:56:32,311 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:32,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:32,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:56:32,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:32,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash -116406637, now seen corresponding path program 1 times
[2024-12-02 06:56:32,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:32,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983574740]
[2024-12-02 06:56:32,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:32,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:32,439 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 06:56:32,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:32,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983574740]
[2024-12-02 06:56:32,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983574740] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:56:32,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:56:32,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:56:32,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227816130]
[2024-12-02 06:56:32,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:56:32,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:56:32,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:56:32,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:56:32,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:56:32,441 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 06:56:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:32,480 INFO L93 Difference]: Finished difference Result 138 states and 199 transitions.
[2024-12-02 06:56:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:56:32,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40
[2024-12-02 06:56:32,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:32,482 INFO L225 Difference]: With dead ends: 138
[2024-12-02 06:56:32,482 INFO L226 Difference]: Without dead ends: 95
[2024-12-02 06:56:32,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:56:32,484 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:32,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 383 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:56:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-12-02 06:56:32,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2024-12-02 06:56:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 94 states have internal predecessors, (137), 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 06:56:32,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions.
[2024-12-02 06:56:32,491 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 40
[2024-12-02 06:56:32,491 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:32,491 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions.
[2024-12-02 06:56:32,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 06:56:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions.
[2024-12-02 06:56:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 06:56:32,493 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:32,493 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:32,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:56:32,493 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:32,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash -411604172, now seen corresponding path program 1 times
[2024-12-02 06:56:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029612365]
[2024-12-02 06:56:32,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:32,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:32,753 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 06:56:32,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:56:32,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029612365]
[2024-12-02 06:56:32,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029612365] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:56:32,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:56:32,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:56:32,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949000647]
[2024-12-02 06:56:32,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:56:32,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:56:32,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:56:32,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:56:32,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:56:32,755 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 06:56:32,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:32,806 INFO L93 Difference]: Finished difference Result 138 states and 198 transitions.
[2024-12-02 06:56:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:56:32,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41
[2024-12-02 06:56:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:32,808 INFO L225 Difference]: With dead ends: 138
[2024-12-02 06:56:32,808 INFO L226 Difference]: Without dead ends: 93
[2024-12-02 06:56:32,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:56:32,809 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 101 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:32,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 372 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:56:32,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-12-02 06:56:32,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2024-12-02 06:56:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 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 06:56:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions.
[2024-12-02 06:56:32,815 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 41
[2024-12-02 06:56:32,815 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:32,815 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions.
[2024-12-02 06:56:32,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 06:56:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions.
[2024-12-02 06:56:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-12-02 06:56:32,816 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:32,816 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:32,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:56:32,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:32,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:32,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1689717878, now seen corresponding path program 1 times
[2024-12-02 06:56:32,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:56:32,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721313132]
[2024-12-02 06:56:32,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:56:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:56:32,846 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:56:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:56:32,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:56:32,896 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:56:32,897 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 06:56:32,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:56:32,901 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 06:56:32,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:56:32,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:56:32 BoogieIcfgContainer
[2024-12-02 06:56:32,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:56:32,934 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:56:32,934 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:56:32,934 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:56:32,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:31" (3/4) ...
[2024-12-02 06:56:32,937 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 06:56:32,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:56:32,938 INFO L158 Benchmark]: Toolchain (without parser) took 2402.61ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 52.1MB in the end (delta: 64.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB.
[2024-12-02 06:56:32,939 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:56:32,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.12ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 100.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:56:32,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.08ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 91.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:56:32,939 INFO L158 Benchmark]: Boogie Preprocessor took 68.69ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 86.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:56:32,940 INFO L158 Benchmark]: RCFGBuilder took 682.51ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 95.1MB in the end (delta: -8.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB.
[2024-12-02 06:56:32,940 INFO L158 Benchmark]: TraceAbstraction took 1296.91ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 52.1MB in the end (delta: 42.4MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB.
[2024-12-02 06:56:32,940 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 11.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:56:32,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 290.12ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 100.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 55.08ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 91.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 68.69ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 86.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 682.51ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 95.1MB in the end (delta: -8.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 1296.91ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 52.1MB in the end (delta: 42.4MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB.
* Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 11.5kB). There was no memory consumed. 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
- UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of bitwiseAnd at line 102.
Possible FailurePath:
[L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8);
[L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1);
[L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1);
[L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1);
[L32] const SORT_1 var_10 = 0;
[L33] const SORT_5 var_18 = 1;
[L34] const SORT_5 var_28 = 0;
[L36] SORT_1 input_2;
[L37] SORT_1 input_3;
[L38] SORT_1 input_4;
[L39] SORT_5 input_6;
[L40] SORT_5 input_7;
[L41] SORT_5 input_8;
[L42] SORT_5 input_9;
[L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5;
[L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5;
[L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5;
[L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0]
[L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L57] SORT_1 init_12_arg_1 = var_10;
[L58] state_11 = init_12_arg_1
[L59] SORT_1 init_14_arg_1 = var_10;
[L60] state_13 = init_14_arg_1
[L61] SORT_1 init_23_arg_1 = var_10;
[L62] state_22 = init_23_arg_1
[L63] SORT_1 init_25_arg_1 = var_10;
[L64] state_24 = init_25_arg_1
[L65] SORT_1 init_27_arg_1 = var_10;
[L66] state_26 = init_27_arg_1
[L67] SORT_5 init_30_arg_1 = var_28;
[L68] state_29 = init_30_arg_1
[L69] SORT_5 init_32_arg_1 = var_28;
[L70] state_31 = init_32_arg_1
[L71] SORT_1 init_34_arg_1 = var_10;
[L72] state_33 = init_34_arg_1
[L73] SORT_5 init_36_arg_1 = var_28;
[L74] state_35 = init_36_arg_1
[L75] SORT_1 init_38_arg_1 = var_10;
[L76] state_37 = init_38_arg_1
[L77] SORT_1 init_41_arg_1 = var_10;
[L78] state_40 = init_41_arg_1
[L79] SORT_1 init_43_arg_1 = var_10;
[L80] state_42 = init_43_arg_1
VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0]
[L83] input_2 = __VERIFIER_nondet_uchar()
[L84] input_3 = __VERIFIER_nondet_uchar()
[L85] input_4 = __VERIFIER_nondet_uchar()
[L86] input_6 = __VERIFIER_nondet_uchar()
[L87] input_7 = __VERIFIER_nondet_uchar()
[L88] EXPR input_7 & mask_SORT_5
VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0]
[L88] input_7 = input_7 & mask_SORT_5
[L89] input_8 = __VERIFIER_nondet_uchar()
[L90] EXPR input_8 & mask_SORT_5
VAL [input_7=0, mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0]
[L90] input_8 = input_8 & mask_SORT_5
[L91] input_9 = __VERIFIER_nondet_uchar()
[L92] EXPR input_9 & mask_SORT_5
VAL [input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0]
[L92] input_9 = input_9 & mask_SORT_5
[L95] SORT_1 var_15_arg_0 = state_11;
[L96] SORT_1 var_15_arg_1 = state_13;
[L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1;
[L98] SORT_5 var_19_arg_0 = var_15;
[L99] SORT_5 var_19 = ~var_19_arg_0;
[L100] SORT_5 var_20_arg_0 = var_18;
[L101] SORT_5 var_20_arg_1 = var_19;
VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_20_arg_0=1, var_20_arg_1=-2, var_28=0]
[L102] EXPR var_20_arg_0 & var_20_arg_1
VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0]
[L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1;
[L103] EXPR var_20 & mask_SORT_5
VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0]
[L103] var_20 = var_20 & mask_SORT_5
[L104] SORT_5 bad_21_arg_0 = var_20;
[L105] CALL __VERIFIER_assert(!(bad_21_arg_0))
[L21] COND TRUE !(cond)
[L21] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 1142 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 755 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 387 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 06:56:32,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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 64bit --witnessprinter.graph.data.programhash caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:56:34,868 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:56:34,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-12-02 06:56:34,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:56:34,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:56:34,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:56:34,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:56:34,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:56:34,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:56:34,981 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:56:34,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:56:34,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:56:34,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:56:34,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:56:34,981 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:56:34,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:56:34,982 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:56:34,983 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:56:34,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:56:34,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:56:34,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:56:34,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:56:34,984 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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a
[2024-12-02 06:56:35,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:56:35,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:56:35,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:56:35,237 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:56:35,238 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:56:35,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c
[2024-12-02 06:56:37,924 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/887e3e7cb/f100c17c786e46c782e832b5fa11d999/FLAG408fa5bcc
[2024-12-02 06:56:38,103 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:56:38,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c
[2024-12-02 06:56:38,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/887e3e7cb/f100c17c786e46c782e832b5fa11d999/FLAG408fa5bcc
[2024-12-02 06:56:38,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/data/887e3e7cb/f100c17c786e46c782e832b5fa11d999
[2024-12-02 06:56:38,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:56:38,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:56:38,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:56:38,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:56:38,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:56:38,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc32ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38, skipping insertion in model container
[2024-12-02 06:56:38,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,149 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:56:38,257 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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262]
[2024-12-02 06:56:38,313 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:56:38,324 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:56:38,332 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_5f7ac086-2a17-4be6-908e-92f93da4ec3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262]
[2024-12-02 06:56:38,367 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:56:38,380 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:56:38,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38 WrapperNode
[2024-12-02 06:56:38,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:56:38,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:56:38,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:56:38,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:56:38,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,420 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249
[2024-12-02 06:56:38,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:56:38,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:56:38,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:56:38,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:56:38,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,446 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 06:56:38,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:56:38,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:56:38,465 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:56:38,465 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:56:38,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (1/1) ...
[2024-12-02 06:56:38,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:56:38,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:38,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:56:38,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:56:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:56:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 06:56:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:56:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:56:38,595 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:56:38,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:56:38,806 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2024-12-02 06:56:38,807 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:56:38,815 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:56:38,815 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 06:56:38,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:38 BoogieIcfgContainer
[2024-12-02 06:56:38,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:56:38,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:56:38,818 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:56:38,823 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:56:38,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:56:38" (1/3) ...
[2024-12-02 06:56:38,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c51e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:38, skipping insertion in model container
[2024-12-02 06:56:38,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:38" (2/3) ...
[2024-12-02 06:56:38,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c51e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:38, skipping insertion in model container
[2024-12-02 06:56:38,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:38" (3/3) ...
[2024-12-02 06:56:38,826 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c
[2024-12-02 06:56:38,841 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:56:38,842 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.eq_sdp_v1.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 06:56:38,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:56:38,883 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;@295a43a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:56:38,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:56:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) 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 06:56:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 06:56:38,890 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:38,890 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 06:56:38,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:38,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:38,894 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times
[2024-12-02 06:56:38,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:56:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161930451]
[2024-12-02 06:56:38,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:38,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:38,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:56:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:56:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:39,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-12-02 06:56:39,016 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:56:39,145 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 06:56:39,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:56:39,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:56:39,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161930451]
[2024-12-02 06:56:39,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161930451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:56:39,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:56:39,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:56:39,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924020753]
[2024-12-02 06:56:39,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:56:39,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:56:39,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:56:39,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:56:39,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:56:39,172 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 06:56:39,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:39,202 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions.
[2024-12-02 06:56:39,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:56:39,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2024-12-02 06:56:39,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:39,211 INFO L225 Difference]: With dead ends: 17
[2024-12-02 06:56:39,211 INFO L226 Difference]: Without dead ends: 9
[2024-12-02 06:56:39,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:56:39,216 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:39,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:56:39,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2024-12-02 06:56:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2024-12-02 06:56:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 06:56:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-12-02 06:56:39,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2024-12-02 06:56:39,243 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:39,243 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-12-02 06:56:39,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 06:56:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-12-02 06:56:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 06:56:39,244 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:39,244 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:56:39,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:56:39,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:39,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:39,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times
[2024-12-02 06:56:39,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:56:39,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130707788]
[2024-12-02 06:56:39,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:56:39,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:39,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:39,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:56:39,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:56:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:56:39,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-12-02 06:56:39,559 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:56:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:56:39,836 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:56:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:56:42,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:56:42,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130707788]
[2024-12-02 06:56:42,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130707788] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:56:42,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:56:42,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-12-02 06:56:42,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877349874]
[2024-12-02 06:56:42,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:56:42,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:56:42,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:56:42,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:56:42,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:56:42,792 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 06:56:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:56:43,205 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions.
[2024-12-02 06:56:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 06:56:43,206 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 06:56:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:56:43,206 INFO L225 Difference]: With dead ends: 14
[2024-12-02 06:56:43,207 INFO L226 Difference]: Without dead ends: 12
[2024-12-02 06:56:43,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2024-12-02 06:56:43,208 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:56:43,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:56:43,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2024-12-02 06:56:43,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2024-12-02 06:56:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 06:56:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2024-12-02 06:56:43,211 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8
[2024-12-02 06:56:43,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:56:43,211 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2024-12-02 06:56:43,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 06:56:43,212 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2024-12-02 06:56:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 06:56:43,212 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:56:43,212 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-12-02 06:56:43,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:56:43,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:43,413 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:56:43,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:56:43,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times
[2024-12-02 06:56:43,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:56:43,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473715050]
[2024-12-02 06:56:43,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:56:43,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:56:43,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:56:43,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:56:43,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 06:56:43,556 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:56:43,556 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:56:43,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 35 conjuncts are in the unsatisfiable core
[2024-12-02 06:56:43,564 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:56:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:56:45,137 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:56:56,832 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_16|))))))))) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_16|))))))))) (.cse8 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_31~0#1|))) .cse23)))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_26~0#1|)))) (.cse17 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_29~0#1|))) (let ((.cse0 (not .cse17)) (.cse3 (bvneg .cse9)) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_40~0#1|)))))) (.cse6 (not .cse8)) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|)) (.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_22~0#1|)) (.cse13 (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_10~0#1|))))) (let ((.cse21 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_28~0#1|))) .cse23)) (_ bv0 8))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse18)))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvmul .cse18 (_ bv2 32)))))))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 .cse20)))))) .cse21 .cse7) .cse1 (or (not .cse21) (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (bvneg .cse18)))))))) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse20)))))) .cse7)))))) (and (or .cse0 (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse11) .cse12))))))))) (and .cse1 (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse3))))))) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse4)))))) .cse6 .cse7) (or .cse8 .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse9))))))) .cse10))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse10)))))))))) (or .cse0 .cse13) (or (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse12))))))))) (and .cse1 (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 .cse9))))))) .cse15))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse15)))))) .cse7) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 .cse3))))))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse16)))))) .cse6 .cse7))) .cse17) (or .cse17 .cse13))))) is different from false
[2024-12-02 06:57:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked.
[2024-12-02 06:57:00,816 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:57:00,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473715050]
[2024-12-02 06:57:00,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473715050] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:57:00,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:57:00,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2024-12-02 06:57:00,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112801661]
[2024-12-02 06:57:00,816 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:57:00,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 06:57:00,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:57:00,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 06:57:00,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=85, Unknown=2, NotChecked=18, Total=132
[2024-12-02 06:57:00,817 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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 06:57:05,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:57:05,056 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2024-12-02 06:57:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:57:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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 11
[2024-12-02 06:57:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:57:05,058 INFO L225 Difference]: With dead ends: 17
[2024-12-02 06:57:05,058 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 06:57:05,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=66, Invalid=176, Unknown=2, NotChecked=28, Total=272
[2024-12-02 06:57:05,059 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:57:05,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 9 Unchecked, 0.6s Time]
[2024-12-02 06:57:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 06:57:05,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 06:57:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 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 06:57:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-12-02 06:57:05,064 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11
[2024-12-02 06:57:05,064 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:57:05,064 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2024-12-02 06:57:05,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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 06:57:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-12-02 06:57:05,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 06:57:05,065 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:57:05,065 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1]
[2024-12-02 06:57:05,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 06:57:05,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:57:05,266 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:57:05,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:57:05,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 3 times
[2024-12-02 06:57:05,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:57:05,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374414132]
[2024-12-02 06:57:05,267 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 06:57:05,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:57:05,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:57:05,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:57:05,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 06:57:05,694 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-12-02 06:57:05,694 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:57:05,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 35 conjuncts are in the unsatisfiable core
[2024-12-02 06:57:05,703 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:57:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:57:33,239 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:58:34,505 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-12-02 06:58:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:58:49,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:58:49,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374414132]
[2024-12-02 06:58:49,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374414132] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:58:49,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:58:49,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-12-02 06:58:49,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058996557]
[2024-12-02 06:58:49,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:58:49,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 06:58:49,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:58:49,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 06:58:49,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182
[2024-12-02 06:58:49,725 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 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 06:59:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:59:02,240 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2024-12-02 06:59:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:59:02,242 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 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 06:59:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:59:02,242 INFO L225 Difference]: With dead ends: 15
[2024-12-02 06:59:02,242 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 06:59:02,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306
[2024-12-02 06:59:02,243 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:59:02,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:59:02,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 06:59:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 06:59:02,244 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 06:59:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 06:59:02,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2024-12-02 06:59:02,244 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:59:02,244 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 06:59:02,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 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 06:59:02,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 06:59:02,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 06:59:02,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 06:59:02,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-12-02 06:59:02,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:59:02,450 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1]
[2024-12-02 06:59:02,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 06:59:32,124 WARN L286 SmtUtils]: Spent 29.57s on a formula simplification. DAG size of input: 362 DAG size of output: 177 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)
[2024-12-02 06:59:32,129 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:59:32,141 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,142 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,142 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,142 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,142 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,142 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,142 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,143 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,143 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,143 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,143 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 06:59:32,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:59:32 BoogieIcfgContainer
[2024-12-02 06:59:32,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:59:32,146 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:59:32,146 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:59:32,146 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:59:32,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:38" (3/4) ...
[2024-12-02 06:59:32,149 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 06:59:32,156 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-12-02 06:59:32,157 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 06:59:32,157 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 06:59:32,157 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 06:59:32,222 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:59:32,222 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 06:59:32,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:59:32,223 INFO L158 Benchmark]: Toolchain (without parser) took 174094.43ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 69.5MB in the beginning and 143.5MB in the end (delta: -74.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB.
[2024-12-02 06:59:32,223 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:59:32,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.79ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 53.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:59:32,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.51ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 51.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:59:32,224 INFO L158 Benchmark]: Boogie Preprocessor took 42.68ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:59:32,224 INFO L158 Benchmark]: RCFGBuilder took 350.94ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 53.8MB in the end (delta: -5.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB.
[2024-12-02 06:59:32,225 INFO L158 Benchmark]: TraceAbstraction took 173327.53ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 53.5MB in the beginning and 149.7MB in the end (delta: -96.3MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB.
[2024-12-02 06:59:32,225 INFO L158 Benchmark]: Witness Printer took 75.96ms. Allocated memory is still 201.3MB. Free memory was 149.7MB in the beginning and 143.5MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:59:32,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 251.79ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 53.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.51ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 51.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.68ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 350.94ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 53.8MB in the end (delta: -5.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 173327.53ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 53.5MB in the beginning and 149.7MB in the end (delta: -96.3MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB.
* Witness Printer took 75.96ms. Allocated memory is still 201.3MB. Free memory was 149.7MB in the beginning and 143.5MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
* 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: 21]: 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 143.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 9 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 15 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 49.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 124.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 33 QuantifiedInterpolants, 16391 SizeOfPredicates, 29 NumberOfNonLiveVariables, 398 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/48 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: 81]: Loop Invariant
Derived loop invariant: ((((1 == mask_SORT_5) && (0 == var_28)) && (0 == var_10)) && (0 == ((1 + mask_SORT_1) % 256)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 06:59:32,435 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2024-12-02 06:59:32,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7ac086-2a17-4be6-908e-92f93da4ec3d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE