./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/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_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4fe8f11f0c68d7bafb86f3d9a757ae2e080a2c1f07f1d7545768deda82695bc
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:53:14,559 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:53:14,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 06:53:14,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:53:14,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:53:14,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:53:14,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:53:14,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:53:14,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:53:14,645 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:53:14,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:53:14,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:53:14,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:53:14,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:53:14,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:53:14,647 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:53:14,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:14,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:14,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:53:14,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:53:14,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:53:14,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:53:14,649 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_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4fe8f11f0c68d7bafb86f3d9a757ae2e080a2c1f07f1d7545768deda82695bc
[2024-12-02 06:53:14,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:53:14,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:53:14,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:53:14,897 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:53:14,897 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:53:14,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i
[2024-12-02 06:53:17,565 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/dd42fe794/c7dcbd6c9e6e494b965ee440263f11c2/FLAGee7e04ec0
[2024-12-02 06:53:17,755 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:53:17,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i
[2024-12-02 06:53:17,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/dd42fe794/c7dcbd6c9e6e494b965ee440263f11c2/FLAGee7e04ec0
[2024-12-02 06:53:17,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/dd42fe794/c7dcbd6c9e6e494b965ee440263f11c2
[2024-12-02 06:53:17,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:53:17,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:53:17,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:53:17,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:53:17,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:53:17,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:53:17" (1/1) ...
[2024-12-02 06:53:17,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea0a4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:17, skipping insertion in model container
[2024-12-02 06:53:17,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:53:17" (1/1) ...
[2024-12-02 06:53:17,805 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:53:17,933 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_466aeaff-4656-480d-8f0f-afdda9a80793/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i[915,928]
[2024-12-02 06:53:17,967 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:53:17,975 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:53:17,985 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_466aeaff-4656-480d-8f0f-afdda9a80793/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i[915,928]
[2024-12-02 06:53:18,000 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:53:18,015 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:53:18,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18 WrapperNode
[2024-12-02 06:53:18,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:53:18,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:53:18,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:53:18,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:53:18,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,052 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130
[2024-12-02 06:53:18,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:53:18,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:53:18,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:53:18,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:53:18,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,064 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,075 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 06:53:18,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:53:18,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:53:18,089 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:53:18,089 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:53:18,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (1/1) ...
[2024-12-02 06:53:18,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:18,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:53:18,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:18,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:53:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:53:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 06:53:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 06:53:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:53:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:53:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:53:18,208 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:53:18,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:53:18,454 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-12-02 06:53:18,454 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:53:18,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:53:18,464 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 06:53:18,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:18 BoogieIcfgContainer
[2024-12-02 06:53:18,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:53:18,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:53:18,466 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:53:18,470 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:53:18,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:53:17" (1/3) ...
[2024-12-02 06:53:18,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa3d0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:53:18, skipping insertion in model container
[2024-12-02 06:53:18,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:18" (2/3) ...
[2024-12-02 06:53:18,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa3d0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:53:18, skipping insertion in model container
[2024-12-02 06:53:18,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:18" (3/3) ...
[2024-12-02 06:53:18,473 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-18.i
[2024-12-02 06:53:18,484 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:53:18,485 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-18.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 06:53:18,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:53:18,536 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;@2de7e822, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:53:18,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:53:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 06:53:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-12-02 06:53:18,546 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:18,546 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:18,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:18,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash 690520621, now seen corresponding path program 1 times
[2024-12-02 06:53:18,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:18,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000812897]
[2024-12-02 06:53:18,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:18,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked.
[2024-12-02 06:53:18,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:18,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000812897]
[2024-12-02 06:53:18,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000812897] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:53:18,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365808004]
[2024-12-02 06:53:18,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:18,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:53:18,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:53:18,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:53:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:53:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:18,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:18,899 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:53:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked.
[2024-12-02 06:53:18,919 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:53:18,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365808004] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:18,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:53:18,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 06:53:18,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969611161]
[2024-12-02 06:53:18,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:18,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 06:53:18,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:18,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 06:53:18,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:53:18,946 INFO L87 Difference]: Start difference. First operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-12-02 06:53:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:18,968 INFO L93 Difference]: Finished difference Result 115 states and 192 transitions.
[2024-12-02 06:53:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 06:53:18,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106
[2024-12-02 06:53:18,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:18,976 INFO L225 Difference]: With dead ends: 115
[2024-12-02 06:53:18,976 INFO L226 Difference]: Without dead ends: 57
[2024-12-02 06:53:18,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:53:18,982 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:18,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:53:18,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-12-02 06:53:19,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-12-02 06:53:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 06:53:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions.
[2024-12-02 06:53:19,019 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 106
[2024-12-02 06:53:19,019 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:19,019 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions.
[2024-12-02 06:53:19,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-12-02 06:53:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions.
[2024-12-02 06:53:19,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-12-02 06:53:19,022 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:19,022 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:19,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:53:19,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 06:53:19,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:19,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash -173301843, now seen corresponding path program 1 times
[2024-12-02 06:53:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:19,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284574882]
[2024-12-02 06:53:19,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:19,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:53:19,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:19,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284574882]
[2024-12-02 06:53:19,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284574882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:19,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:19,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:53:19,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849828227]
[2024-12-02 06:53:19,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:19,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:53:19,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:19,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:53:19,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:53:19,582 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:19,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:19,797 INFO L93 Difference]: Finished difference Result 166 states and 247 transitions.
[2024-12-02 06:53:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:53:19,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 106
[2024-12-02 06:53:19,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:19,799 INFO L225 Difference]: With dead ends: 166
[2024-12-02 06:53:19,799 INFO L226 Difference]: Without dead ends: 112
[2024-12-02 06:53:19,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:53:19,801 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 62 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:19,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 199 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:53:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2024-12-02 06:53:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103.
[2024-12-02 06:53:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-12-02 06:53:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions.
[2024-12-02 06:53:19,820 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 106
[2024-12-02 06:53:19,821 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:19,821 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions.
[2024-12-02 06:53:19,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions.
[2024-12-02 06:53:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-12-02 06:53:19,823 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:19,823 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:19,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:53:19,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:19,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:19,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1782216809, now seen corresponding path program 1 times
[2024-12-02 06:53:19,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:19,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169151309]
[2024-12-02 06:53:19,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:53:20,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:20,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169151309]
[2024-12-02 06:53:20,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169151309] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:20,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:20,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:53:20,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163691903]
[2024-12-02 06:53:20,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:20,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:53:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:20,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:53:20,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:53:20,118 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:20,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:20,200 INFO L93 Difference]: Finished difference Result 188 states and 277 transitions.
[2024-12-02 06:53:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:53:20,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 110
[2024-12-02 06:53:20,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:20,203 INFO L225 Difference]: With dead ends: 188
[2024-12-02 06:53:20,203 INFO L226 Difference]: Without dead ends: 125
[2024-12-02 06:53:20,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:53:20,204 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 32 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:20,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 169 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:53:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-12-02 06:53:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 101.
[2024-12-02 06:53:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 66 states have internal predecessors, (83), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-12-02 06:53:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions.
[2024-12-02 06:53:20,223 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 147 transitions. Word has length 110
[2024-12-02 06:53:20,223 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:20,224 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 147 transitions.
[2024-12-02 06:53:20,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions.
[2024-12-02 06:53:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-12-02 06:53:20,225 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:20,225 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:20,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:53:20,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:20,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1392556565, now seen corresponding path program 1 times
[2024-12-02 06:53:20,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:20,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160842676]
[2024-12-02 06:53:20,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:20,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:53:20,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:53:20,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160842676]
[2024-12-02 06:53:20,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160842676] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:20,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:20,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:53:20,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56129662]
[2024-12-02 06:53:20,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:20,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:53:20,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:53:20,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:53:20,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:53:20,817 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:21,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:21,038 INFO L93 Difference]: Finished difference Result 192 states and 277 transitions.
[2024-12-02 06:53:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:53:21,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111
[2024-12-02 06:53:21,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:21,040 INFO L225 Difference]: With dead ends: 192
[2024-12-02 06:53:21,040 INFO L226 Difference]: Without dead ends: 125
[2024-12-02 06:53:21,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 06:53:21,041 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 91 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:21,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 193 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:53:21,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-12-02 06:53:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117.
[2024-12-02 06:53:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 82 states have internal predecessors, (105), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-12-02 06:53:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions.
[2024-12-02 06:53:21,066 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 111
[2024-12-02 06:53:21,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:21,067 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions.
[2024-12-02 06:53:21,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions.
[2024-12-02 06:53:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-12-02 06:53:21,068 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:21,068 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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 06:53:21,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:53:21,069 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:21,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1247135902, now seen corresponding path program 1 times
[2024-12-02 06:53:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:53:21,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879514165]
[2024-12-02 06:53:21,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:53:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 06:53:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619424303]
[2024-12-02 06:53:21,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:53:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:53:21,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:53:21,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:53:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:53:21,256 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:53:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:53:21,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:53:21,353 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:53:21,354 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 06:53:21,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:53:21,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:53:21,559 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 06:53:21,608 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:53:21,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:53:21 BoogieIcfgContainer
[2024-12-02 06:53:21,612 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:53:21,612 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:53:21,612 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:53:21,612 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:53:21,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:18" (3/4) ...
[2024-12-02 06:53:21,615 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 06:53:21,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:53:21,617 INFO L158 Benchmark]: Toolchain (without parser) took 3835.40ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 114.9MB in the beginning and 223.5MB in the end (delta: -108.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB.
[2024-12-02 06:53:21,617 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:53:21,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.01ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 102.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:53:21,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:53:21,618 INFO L158 Benchmark]: Boogie Preprocessor took 35.69ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:53:21,618 INFO L158 Benchmark]: RCFGBuilder took 375.22ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 81.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:53:21,619 INFO L158 Benchmark]: TraceAbstraction took 3145.19ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 80.4MB in the beginning and 223.5MB in the end (delta: -143.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:53:21,619 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 285.2MB. Free memory was 223.5MB in the beginning and 223.5MB in the end (delta: 17.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:53:21,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 233.01ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 102.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.13ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.69ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 375.22ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 81.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3145.19ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 80.4MB in the beginning and 223.5MB in the end (delta: -143.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.09ms. Allocated memory is still 285.2MB. Free memory was 223.5MB in the beginning and 223.5MB in the end (delta: 17.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: 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 someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseOr at line 39, overapproximation of bitwiseOr at line 99.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] float var_1_1 = 99.25;
[L23] signed short int var_1_6 = 32;
[L24] signed short int var_1_7 = 18477;
[L25] signed short int var_1_8 = 5;
[L26] float var_1_9 = 100.8;
[L27] unsigned long int var_1_10 = 256;
[L28] unsigned char var_1_11 = 0;
[L29] unsigned char var_1_12 = 10;
[L30] unsigned long int var_1_13 = 1879106797;
[L31] unsigned long int var_1_14 = 1581421231;
[L32] signed long int var_1_15 = -32;
[L33] unsigned long int last_1_var_1_10 = 256;
[L34] signed long int last_1_var_1_15 = -32;
VAL [isInitial=0, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=32, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L103] isInitial = 1
[L104] FCALL initially()
[L106] CALL updateLastVariables()
[L95] last_1_var_1_10 = var_1_10
[L96] last_1_var_1_15 = var_1_15
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=32, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L106] RET updateLastVariables()
[L107] CALL updateVariables()
[L69] var_1_6 = __VERIFIER_nondet_short()
[L70] CALL assume_abort_if_not(var_1_6 >= -1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L70] RET assume_abort_if_not(var_1_6 >= -1)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L71] CALL assume_abort_if_not(var_1_6 <= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L71] RET assume_abort_if_not(var_1_6 <= 32767)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=18477, var_1_8=5, var_1_9=504/5]
[L72] var_1_7 = __VERIFIER_nondet_short()
[L73] CALL assume_abort_if_not(var_1_7 >= 16383)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=5, var_1_9=504/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=5, var_1_9=504/5]
[L73] RET assume_abort_if_not(var_1_7 >= 16383)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=5, var_1_9=504/5]
[L74] CALL assume_abort_if_not(var_1_7 <= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=5, var_1_9=504/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=5, var_1_9=504/5]
[L74] RET assume_abort_if_not(var_1_7 <= 32767)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=5, var_1_9=504/5]
[L75] var_1_8 = __VERIFIER_nondet_short()
[L76] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=504/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=504/5]
[L76] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=504/5]
[L77] CALL assume_abort_if_not(var_1_8 <= 16383)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=504/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=504/5]
[L77] RET assume_abort_if_not(var_1_8 <= 16383)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=504/5]
[L78] var_1_9 = __VERIFIER_nondet_float()
[L79] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L79] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L80] var_1_11 = __VERIFIER_nondet_uchar()
[L81] CALL assume_abort_if_not(var_1_11 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L81] RET assume_abort_if_not(var_1_11 >= 0)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L82] CALL assume_abort_if_not(var_1_11 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L82] RET assume_abort_if_not(var_1_11 <= 1)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=10, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L83] var_1_12 = __VERIFIER_nondet_uchar()
[L84] CALL assume_abort_if_not(var_1_12 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L84] RET assume_abort_if_not(var_1_12 >= 0)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L85] CALL assume_abort_if_not(var_1_12 <= 255)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L85] RET assume_abort_if_not(var_1_12 <= 255)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L86] CALL assume_abort_if_not(var_1_12 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L86] RET assume_abort_if_not(var_1_12 != 0)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1879106797, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L87] var_1_13 = __VERIFIER_nondet_ulong()
[L88] CALL assume_abort_if_not(var_1_13 >= 1073741823)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L88] RET assume_abort_if_not(var_1_13 >= 1073741823)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L89] CALL assume_abort_if_not(var_1_13 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L89] RET assume_abort_if_not(var_1_13 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1581421231, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L90] var_1_14 = __VERIFIER_nondet_ulong()
[L91] CALL assume_abort_if_not(var_1_14 >= 1073741824)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L91] RET assume_abort_if_not(var_1_14 >= 1073741824)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L92] CALL assume_abort_if_not(var_1_14 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L92] RET assume_abort_if_not(var_1_14 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L107] RET updateVariables()
[L108] CALL step()
[L38] unsigned long int stepLocal_1 = last_1_var_1_10;
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L39] EXPR last_1_var_1_10 ^ ((((last_1_var_1_15) > (last_1_var_1_10)) ? (last_1_var_1_15) : (last_1_var_1_10)))
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=397/4, var_1_6=-1, var_1_7=16383, var_1_8=0]
[L39] unsigned long int stepLocal_0 = last_1_var_1_10 ^ ((((last_1_var_1_15) > (last_1_var_1_10)) ? (last_1_var_1_15) : (last_1_var_1_10)));
[L40] COND FALSE !(stepLocal_0 != last_1_var_1_10)
[L45] var_1_1 = var_1_9
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L47] signed short int stepLocal_2 = var_1_6;
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, stepLocal_2=-1, var_1_10=256, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L48] COND FALSE !(\read(var_1_11))
[L55] var_1_10 = var_1_7
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, stepLocal_2=-1, var_1_10=16383, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L57] unsigned long int stepLocal_3 = var_1_10;
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, stepLocal_2=-1, stepLocal_3=16383, var_1_10=16383, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=-32, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L58] COND FALSE !(var_1_1 <= var_1_9)
[L65] var_1_15 = var_1_7
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, stepLocal_1=256, stepLocal_2=-1, stepLocal_3=16383, var_1_10=16383, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=16383, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L108] RET step()
[L109] CALL, EXPR property()
[L99] EXPR last_1_var_1_10 ^ ((((last_1_var_1_15) > (last_1_var_1_10)) ? (last_1_var_1_15) : (last_1_var_1_10)))
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=16383, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=16383, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L99-L100] return ((((last_1_var_1_10 ^ ((((last_1_var_1_15) > (last_1_var_1_10)) ? (last_1_var_1_15) : (last_1_var_1_10)))) != last_1_var_1_10) ? ((last_1_var_1_10 == (var_1_6 - (var_1_7 - var_1_8))) ? (var_1_1 == ((float) var_1_9)) : 1) : (var_1_1 == ((float) var_1_9))) && (var_1_11 ? (((var_1_7 % var_1_12) >= var_1_6) ? (var_1_10 == ((unsigned long int) ((var_1_13 + var_1_14) - var_1_7))) : (var_1_10 == ((unsigned long int) var_1_12))) : (var_1_10 == ((unsigned long int) var_1_7)))) && ((var_1_1 <= var_1_9) ? ((var_1_10 > (last_1_var_1_15 + (var_1_10 + var_1_7))) ? (var_1_15 == ((signed long int) var_1_7)) : (var_1_15 == ((signed long int) -5))) : (var_1_15 == ((signed long int) var_1_7)))
;
[L109] RET, EXPR property()
[L109] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=16383, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=16383, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_15=-32, var_1_10=16383, var_1_11=0, var_1_12=206, var_1_13=1073741823, var_1_14=1073741824, var_1_15=16383, var_1_1=2, var_1_6=-1, var_1_7=16383, var_1_8=0, var_1_9=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 645 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 289 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 41 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 1284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2370/2400 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 06:53:21,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/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_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/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_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4fe8f11f0c68d7bafb86f3d9a757ae2e080a2c1f07f1d7545768deda82695bc
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:53:23,572 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:53:23,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 06:53:23,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:53:23,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:53:23,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:53:23,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:53:23,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:53:23,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:53:23,671 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:53:23,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:53:23,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:53:23,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:53:23,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:53:23,671 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:53:23,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 06:53:23,672 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:53:23,673 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:53:23,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:23,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:23,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 06:53:23,674 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 06:53:23,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:53:23,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:53:23,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:53:23,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:53:23,675 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_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4fe8f11f0c68d7bafb86f3d9a757ae2e080a2c1f07f1d7545768deda82695bc
[2024-12-02 06:53:23,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:53:23,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:53:23,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:53:23,910 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:53:23,910 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:53:23,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i
[2024-12-02 06:53:26,613 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/8e57272ff/30ee6a22c4b841868fcaa8dc3e94c3dc/FLAG363b7fd03
[2024-12-02 06:53:26,805 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:53:26,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i
[2024-12-02 06:53:26,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/8e57272ff/30ee6a22c4b841868fcaa8dc3e94c3dc/FLAG363b7fd03
[2024-12-02 06:53:26,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/data/8e57272ff/30ee6a22c4b841868fcaa8dc3e94c3dc
[2024-12-02 06:53:26,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:53:26,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:53:26,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:53:26,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:53:26,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:53:26,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:53:26" (1/1) ...
[2024-12-02 06:53:26,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7db6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:26, skipping insertion in model container
[2024-12-02 06:53:26,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:53:26" (1/1) ...
[2024-12-02 06:53:26,854 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:53:26,982 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_466aeaff-4656-480d-8f0f-afdda9a80793/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i[915,928]
[2024-12-02 06:53:27,015 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:53:27,028 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:53:27,038 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_466aeaff-4656-480d-8f0f-afdda9a80793/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-18.i[915,928]
[2024-12-02 06:53:27,055 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:53:27,071 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:53:27,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27 WrapperNode
[2024-12-02 06:53:27,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:53:27,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:53:27,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:53:27,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:53:27,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,105 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106
[2024-12-02 06:53:27,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:53:27,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:53:27,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:53:27,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:53:27,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,127 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 06:53:27,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:53:27,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:53:27,142 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:53:27,142 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:53:27,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (1/1) ...
[2024-12-02 06:53:27,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:53:27,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:53:27,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:27,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:53:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:53:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 06:53:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 06:53:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 06:53:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:53:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:53:27,255 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:53:27,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:53:27,475 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-12-02 06:53:27,475 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:53:27,481 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:53:27,481 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 06:53:27,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:27 BoogieIcfgContainer
[2024-12-02 06:53:27,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:53:27,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:53:27,484 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:53:27,488 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:53:27,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:53:26" (1/3) ...
[2024-12-02 06:53:27,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5527b130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:53:27, skipping insertion in model container
[2024-12-02 06:53:27,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:53:27" (2/3) ...
[2024-12-02 06:53:27,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5527b130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:53:27, skipping insertion in model container
[2024-12-02 06:53:27,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:53:27" (3/3) ...
[2024-12-02 06:53:27,490 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-18.i
[2024-12-02 06:53:27,504 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:53:27,505 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-18.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 06:53:27,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:53:27,552 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;@82387da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:53:27,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:53:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 32 states have (on average 1.34375) internal successors, (43), 33 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 06:53:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 06:53:27,565 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:27,565 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:27,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:27,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:27,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1155150215, now seen corresponding path program 1 times
[2024-12-02 06:53:27,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:53:27,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075826182]
[2024-12-02 06:53:27,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:27,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:27,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:53:27,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:27,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-12-02 06:53:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:27,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:27,787 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:53:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked.
[2024-12-02 06:53:27,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:53:27,818 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:53:27,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075826182]
[2024-12-02 06:53:27,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075826182] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:27,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:27,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:53:27,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245039085]
[2024-12-02 06:53:27,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:27,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 06:53:27,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:53:27,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 06:53:27,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:53:27,844 INFO L87 Difference]: Start difference. First operand has 51 states, 32 states have (on average 1.34375) internal successors, (43), 33 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-12-02 06:53:27,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:27,866 INFO L93 Difference]: Finished difference Result 95 states and 160 transitions.
[2024-12-02 06:53:27,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 06:53:27,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102
[2024-12-02 06:53:27,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:27,873 INFO L225 Difference]: With dead ends: 95
[2024-12-02 06:53:27,873 INFO L226 Difference]: Without dead ends: 47
[2024-12-02 06:53:27,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:53:27,878 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:27,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:53:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-12-02 06:53:27,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-12-02 06:53:27,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 06:53:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions.
[2024-12-02 06:53:27,914 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 102
[2024-12-02 06:53:27,914 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:27,914 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions.
[2024-12-02 06:53:27,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-12-02 06:53:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions.
[2024-12-02 06:53:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 06:53:27,917 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:27,917 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:27,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-12-02 06:53:28,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:28,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:28,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:28,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2122845959, now seen corresponding path program 1 times
[2024-12-02 06:53:28,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:53:28,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086876635]
[2024-12-02 06:53:28,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:28,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:28,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:53:28,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:28,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-12-02 06:53:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:28,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:28,253 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:53:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:53:28,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:53:28,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:53:28,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086876635]
[2024-12-02 06:53:28,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086876635] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:28,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:28,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:53:28,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476632321]
[2024-12-02 06:53:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:28,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:53:28,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:53:28,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:53:28,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:53:28,988 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:29,350 INFO L93 Difference]: Finished difference Result 136 states and 199 transitions.
[2024-12-02 06:53:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:53:29,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102
[2024-12-02 06:53:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:29,354 INFO L225 Difference]: With dead ends: 136
[2024-12-02 06:53:29,354 INFO L226 Difference]: Without dead ends: 92
[2024-12-02 06:53:29,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:53:29,355 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 40 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:29,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 204 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:53:29,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-12-02 06:53:29,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 78.
[2024-12-02 06:53:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-12-02 06:53:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions.
[2024-12-02 06:53:29,376 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 102
[2024-12-02 06:53:29,376 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:29,377 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions.
[2024-12-02 06:53:29,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions.
[2024-12-02 06:53:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-12-02 06:53:29,380 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:29,380 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:29,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-12-02 06:53:29,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:29,581 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:29,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:29,582 INFO L85 PathProgramCache]: Analyzing trace with hash -679720955, now seen corresponding path program 1 times
[2024-12-02 06:53:29,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:53:29,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901515202]
[2024-12-02 06:53:29,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:29,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:29,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:53:29,584 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:29,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-12-02 06:53:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:29,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:29,719 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:53:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:53:36,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:53:36,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:53:36,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901515202]
[2024-12-02 06:53:36,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901515202] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:53:36,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:53:36,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 06:53:36,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394919269]
[2024-12-02 06:53:36,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:53:36,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:53:36,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:53:36,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:53:36,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:53:36,498 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:37,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:37,219 INFO L93 Difference]: Finished difference Result 122 states and 169 transitions.
[2024-12-02 06:53:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:53:37,222 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103
[2024-12-02 06:53:37,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:37,224 INFO L225 Difference]: With dead ends: 122
[2024-12-02 06:53:37,224 INFO L226 Difference]: Without dead ends: 120
[2024-12-02 06:53:37,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210
[2024-12-02 06:53:37,225 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 91 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:37,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 324 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:53:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2024-12-02 06:53:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 86.
[2024-12-02 06:53:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-12-02 06:53:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 125 transitions.
[2024-12-02 06:53:37,242 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 125 transitions. Word has length 103
[2024-12-02 06:53:37,243 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:37,243 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 125 transitions.
[2024-12-02 06:53:37,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:53:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions.
[2024-12-02 06:53:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-12-02 06:53:37,245 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:37,245 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:37,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-12-02 06:53:37,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:37,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:37,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1359779325, now seen corresponding path program 1 times
[2024-12-02 06:53:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:53:37,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796055138]
[2024-12-02 06:53:37,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:37,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:37,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:53:37,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:37,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-12-02 06:53:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:37,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:37,564 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:53:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 252 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-12-02 06:53:38,416 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:53:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-12-02 06:53:38,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:53:38,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796055138]
[2024-12-02 06:53:38,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796055138] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:53:38,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 06:53:38,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11
[2024-12-02 06:53:38,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201603741]
[2024-12-02 06:53:38,678 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:53:38,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 06:53:38,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:53:38,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 06:53:38,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110
[2024-12-02 06:53:38,680 INFO L87 Difference]: Start difference. First operand 86 states and 125 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32)
[2024-12-02 06:53:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:53:39,670 INFO L93 Difference]: Finished difference Result 200 states and 271 transitions.
[2024-12-02 06:53:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-02 06:53:39,670 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 103
[2024-12-02 06:53:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:53:39,672 INFO L225 Difference]: With dead ends: 200
[2024-12-02 06:53:39,672 INFO L226 Difference]: Without dead ends: 156
[2024-12-02 06:53:39,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=188, Invalid=318, Unknown=0, NotChecked=0, Total=506
[2024-12-02 06:53:39,673 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 125 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:53:39,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 229 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:53:39,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2024-12-02 06:53:39,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 121.
[2024-12-02 06:53:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 77 states have internal predecessors, (89), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-12-02 06:53:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 165 transitions.
[2024-12-02 06:53:39,697 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 165 transitions. Word has length 103
[2024-12-02 06:53:39,697 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:53:39,697 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 165 transitions.
[2024-12-02 06:53:39,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32)
[2024-12-02 06:53:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions.
[2024-12-02 06:53:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 06:53:39,699 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:53:39,699 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:53:39,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-12-02 06:53:39,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:39,900 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:53:39,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:53:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash 167926579, now seen corresponding path program 1 times
[2024-12-02 06:53:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:53:39,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426855331]
[2024-12-02 06:53:39,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:39,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:53:39,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:53:39,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:53:39,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-12-02 06:53:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:40,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:40,003 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:53:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 123 proven. 39 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked.
[2024-12-02 06:53:40,404 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:53:40,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:53:40,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426855331]
[2024-12-02 06:53:40,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426855331] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:53:40,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1872929619]
[2024-12-02 06:53:40,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:53:40,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 06:53:40,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 06:53:40,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 06:53:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process
[2024-12-02 06:53:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:53:41,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 06:53:41,015 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:54:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:54:20,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:54:20,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1872929619] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:54:20,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:54:20,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 18
[2024-12-02 06:54:20,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922463065]
[2024-12-02 06:54:20,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:54:20,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 06:54:20,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:54:20,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 06:54:20,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462
[2024-12-02 06:54:20,318 INFO L87 Difference]: Start difference. First operand 121 states and 165 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:54:20,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:54:20,965 INFO L93 Difference]: Finished difference Result 151 states and 199 transitions.
[2024-12-02 06:54:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:54:20,965 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104
[2024-12-02 06:54:20,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:54:20,967 INFO L225 Difference]: With dead ends: 151
[2024-12-02 06:54:20,968 INFO L226 Difference]: Without dead ends: 149
[2024-12-02 06:54:20,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552
[2024-12-02 06:54:20,969 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 41 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:54:20,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 329 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:54:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-12-02 06:54:20,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127.
[2024-12-02 06:54:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 83 states have internal predecessors, (97), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-12-02 06:54:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions.
[2024-12-02 06:54:20,988 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 104
[2024-12-02 06:54:20,989 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:54:20,989 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions.
[2024-12-02 06:54:20,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:54:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions.
[2024-12-02 06:54:20,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 06:54:20,990 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:54:20,991 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:54:20,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0
[2024-12-02 06:54:21,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-12-02 06:54:21,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:54:21,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:54:21,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:54:21,392 INFO L85 PathProgramCache]: Analyzing trace with hash 169773621, now seen corresponding path program 1 times
[2024-12-02 06:54:21,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:54:21,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849256740]
[2024-12-02 06:54:21,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:54:21,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:54:21,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:54:21,394 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:54:21,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2024-12-02 06:54:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:54:21,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-12-02 06:54:21,499 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:54:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 123 proven. 39 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked.
[2024-12-02 06:54:27,144 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:56:45,808 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-12-02 06:56:57,003 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-12-02 06:57:21,843 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:57:21,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849256740]
[2024-12-02 06:57:21,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849256740] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:57:21,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1586513537]
[2024-12-02 06:57:21,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:57:21,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 06:57:21,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 06:57:21,845 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 06:57:21,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process
[2024-12-02 06:57:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:57:22,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 06:57:22,166 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:57:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 06:57:54,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:57:54,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1586513537] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:57:54,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 06:57:54,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 22
[2024-12-02 06:57:54,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435712649]
[2024-12-02 06:57:54,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:57:54,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 06:57:54,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:57:54,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 06:57:54,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930
[2024-12-02 06:57:54,922 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:57:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:57:56,593 INFO L93 Difference]: Finished difference Result 151 states and 198 transitions.
[2024-12-02 06:57:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:57:56,594 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104
[2024-12-02 06:57:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:57:56,596 INFO L225 Difference]: With dead ends: 151
[2024-12-02 06:57:56,596 INFO L226 Difference]: Without dead ends: 149
[2024-12-02 06:57:56,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=183, Invalid=873, Unknown=0, NotChecked=0, Total=1056
[2024-12-02 06:57:56,596 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 30 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:57:56,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 442 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 06:57:56,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-12-02 06:57:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127.
[2024-12-02 06:57:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 83 states have internal predecessors, (97), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-12-02 06:57:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions.
[2024-12-02 06:57:56,617 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 104
[2024-12-02 06:57:56,617 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:57:56,617 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions.
[2024-12-02 06:57:56,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 06:57:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions.
[2024-12-02 06:57:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 06:57:56,618 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:57:56,619 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:57:56,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0
[2024-12-02 06:57:56,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0
[2024-12-02 06:57:57,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:57:57,019 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:57:57,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:57:57,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1406484764, now seen corresponding path program 1 times
[2024-12-02 06:57:57,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:57:57,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639138587]
[2024-12-02 06:57:57,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:57:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 06:57:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:57:57,021 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 06:57:57,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2024-12-02 06:57:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:57:57,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-12-02 06:57:57,123 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:58:04,458 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-12-02 06:58:04,458 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:00:46,708 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 07:00:46,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639138587]
[2024-12-02 07:00:46,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639138587] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:00:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2062201627]
[2024-12-02 07:00:46,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 07:00:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 07:00:46,710 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 07:00:46,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process
[2024-12-02 07:00:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:47,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-12-02 07:00:47,132 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:01:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 282 proven. 48 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2024-12-02 07:01:19,692 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:04:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-12-02 07:04:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2062201627] provided 1 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:04:06,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-12-02 07:04:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 17] total 37
[2024-12-02 07:04:06,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602085729]
[2024-12-02 07:04:06,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:04:06,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 07:04:06,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 07:04:06,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 07:04:06,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1508, Unknown=3, NotChecked=0, Total=1722
[2024-12-02 07:04:06,770 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 07:04:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:04:25,883 INFO L93 Difference]: Finished difference Result 153 states and 202 transitions.
[2024-12-02 07:04:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-02 07:04:25,883 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104
[2024-12-02 07:04:25,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:04:25,884 INFO L225 Difference]: With dead ends: 153
[2024-12-02 07:04:25,885 INFO L226 Difference]: Without dead ends: 151
[2024-12-02 07:04:25,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 281 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 51.2s TimeCoverageRelationStatistics Valid=291, Invalid=2058, Unknown=3, NotChecked=0, Total=2352
[2024-12-02 07:04:25,886 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 52 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:04:25,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 397 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-12-02 07:04:25,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2024-12-02 07:04:25,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 129.
[2024-12-02 07:04:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 85 states have internal predecessors, (100), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-12-02 07:04:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 176 transitions.
[2024-12-02 07:04:25,904 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 176 transitions. Word has length 104
[2024-12-02 07:04:25,904 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:04:25,904 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 176 transitions.
[2024-12-02 07:04:25,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-12-02 07:04:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 176 transitions.
[2024-12-02 07:04:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-12-02 07:04:25,906 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:04:25,906 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:04:25,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0
[2024-12-02 07:04:26,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0
[2024-12-02 07:04:26,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 07:04:26,306 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:04:26,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:04:26,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1113475170, now seen corresponding path program 1 times
[2024-12-02 07:04:26,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 07:04:26,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464573572]
[2024-12-02 07:04:26,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:04:26,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 07:04:26,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 07:04:26,309 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 07:04:26,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2024-12-02 07:04:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:04:26,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-12-02 07:04:26,411 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:04:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-12-02 07:04:31,158 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:06:58,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 07:06:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464573572]
[2024-12-02 07:06:58,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464573572] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:06:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [167191397]
[2024-12-02 07:06:58,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:06:58,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 07:06:58,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 07:06:58,346 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 07:06:58,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aeaff-4656-480d-8f0f-afdda9a80793/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process
[2024-12-02 07:06:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:06:58,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-12-02 07:06:58,769 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:07:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 282 proven. 48 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2024-12-02 07:07:20,940 INFO L312 TraceCheckSpWp]: Computing backward predicates...