./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:31:38,470 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:31:38,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 12:31:38,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:31:38,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:31:38,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:31:38,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:31:38,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:31:38,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:31:38,547 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:31:38,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:31:38,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:31:38,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:31:38,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:31:38,548 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:31:38,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:31:38,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:31:38,548 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:31:38,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:31:38,549 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:31:38,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:31:38,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:31:38,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:31:38,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:31:38,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:31:38,551 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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 -> 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740
[2024-12-02 12:31:38,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:31:38,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:31:38,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:31:38,755 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:31:38,755 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:31:38,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i
[2024-12-02 12:31:41,354 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/26a245722/e3d44a7cc62548708bbf41c98c3fd1ab/FLAGe45fc03ce
[2024-12-02 12:31:41,572 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:31:41,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i
[2024-12-02 12:31:41,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/26a245722/e3d44a7cc62548708bbf41c98c3fd1ab/FLAGe45fc03ce
[2024-12-02 12:31:41,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/26a245722/e3d44a7cc62548708bbf41c98c3fd1ab
[2024-12-02 12:31:41,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:31:41,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:31:41,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:31:41,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:31:41,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:31:41,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8a1366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41, skipping insertion in model container
[2024-12-02 12:31:41,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,613 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:31:41,717 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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926]
[2024-12-02 12:31:41,762 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:31:41,772 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:31:41,782 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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926]
[2024-12-02 12:31:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:31:41,819 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:31:41,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41 WrapperNode
[2024-12-02 12:31:41,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:31:41,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:31:41,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:31:41,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:31:41,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,860 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146
[2024-12-02 12:31:41,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:31:41,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:31:41,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:31:41,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:31:41,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,885 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 12:31:41,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:31:41,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:31:41,904 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:31:41,904 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:31:41,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (1/1) ...
[2024-12-02 12:31:41,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:31:41,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:31:41,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:31:41,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:31:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:31:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 12:31:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 12:31:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:31:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:31:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:31:42,016 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:31:42,018 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:31:42,260 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-12-02 12:31:42,260 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:31:42,270 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:31:42,271 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 12:31:42,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:42 BoogieIcfgContainer
[2024-12-02 12:31:42,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:31:42,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:31:42,274 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:31:42,278 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:31:42,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:31:41" (1/3) ...
[2024-12-02 12:31:42,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3ccc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:31:42, skipping insertion in model container
[2024-12-02 12:31:42,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:41" (2/3) ...
[2024-12-02 12:31:42,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3ccc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:31:42, skipping insertion in model container
[2024-12-02 12:31:42,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:42" (3/3) ...
[2024-12-02 12:31:42,280 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-55.i
[2024-12-02 12:31:42,295 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:31:42,296 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-55.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:31:42,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:31:42,360 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;@3a335561, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:31:42,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:31:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 48 states have internal predecessors, (65), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:31:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-12-02 12:31:42,373 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:42,373 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:42,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:42,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1967464758, now seen corresponding path program 1 times
[2024-12-02 12:31:42,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:42,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385939496]
[2024-12-02 12:31:42,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:42,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-12-02 12:31:42,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:42,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385939496]
[2024-12-02 12:31:42,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385939496] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:31:42,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941285027]
[2024-12-02 12:31:42,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:42,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:31:42,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:31:42,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:31:42,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:31:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:42,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 12:31:42,708 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:31:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-12-02 12:31:42,725 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:31:42,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941285027] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:42,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:31:42,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 12:31:42,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128148708]
[2024-12-02 12:31:42,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:42,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:31:42,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:42,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:31:42,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:31:42,752 INFO L87 Difference]: Start difference. First operand has 62 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 48 states have internal predecessors, (65), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 12:31:42,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:42,773 INFO L93 Difference]: Finished difference Result 117 states and 184 transitions.
[2024-12-02 12:31:42,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:31:42,775 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86
[2024-12-02 12:31:42,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:42,781 INFO L225 Difference]: With dead ends: 117
[2024-12-02 12:31:42,781 INFO L226 Difference]: Without dead ends: 58
[2024-12-02 12:31:42,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 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 12:31:42,787 INFO L435 NwaCegarLoop]: 82 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, 82 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 12:31:42,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:31:42,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-02 12:31:42,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-12-02 12:31:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:31:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 82 transitions.
[2024-12-02 12:31:42,824 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 82 transitions. Word has length 86
[2024-12-02 12:31:42,824 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:42,824 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 82 transitions.
[2024-12-02 12:31:42,825 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 12:31:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions.
[2024-12-02 12:31:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-12-02 12:31:42,827 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:42,827 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:42,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:31:43,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 12:31:43,028 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:43,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:43,029 INFO L85 PathProgramCache]: Analyzing trace with hash -39431618, now seen corresponding path program 1 times
[2024-12-02 12:31:43,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:43,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960077634]
[2024-12-02 12:31:43,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:43,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:43,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960077634]
[2024-12-02 12:31:43,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960077634] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:43,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:43,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:31:43,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238721900]
[2024-12-02 12:31:43,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:43,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:31:43,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:43,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:31:43,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:43,177 INFO L87 Difference]: Start difference. First operand 58 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:43,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:43,209 INFO L93 Difference]: Finished difference Result 141 states and 199 transitions.
[2024-12-02 12:31:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:31:43,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86
[2024-12-02 12:31:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:43,211 INFO L225 Difference]: With dead ends: 141
[2024-12-02 12:31:43,211 INFO L226 Difference]: Without dead ends: 86
[2024-12-02 12:31:43,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:43,212 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 38 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:31:43,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 152 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:31:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-12-02 12:31:43,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 59.
[2024-12-02 12:31:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:31:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 83 transitions.
[2024-12-02 12:31:43,220 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 83 transitions. Word has length 86
[2024-12-02 12:31:43,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:43,221 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 83 transitions.
[2024-12-02 12:31:43,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions.
[2024-12-02 12:31:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-12-02 12:31:43,223 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:43,223 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:43,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:31:43,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:43,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:43,224 INFO L85 PathProgramCache]: Analyzing trace with hash 218733820, now seen corresponding path program 1 times
[2024-12-02 12:31:43,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:43,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044197412]
[2024-12-02 12:31:43,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:43,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:43,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:43,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044197412]
[2024-12-02 12:31:43,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044197412] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:43,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:43,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:31:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752944303]
[2024-12-02 12:31:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:43,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:31:43,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:43,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:31:43,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:43,362 INFO L87 Difference]: Start difference. First operand 59 states and 83 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:43,401 INFO L93 Difference]: Finished difference Result 115 states and 163 transitions.
[2024-12-02 12:31:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:31:43,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86
[2024-12-02 12:31:43,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:43,403 INFO L225 Difference]: With dead ends: 115
[2024-12-02 12:31:43,403 INFO L226 Difference]: Without dead ends: 59
[2024-12-02 12:31:43,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:43,404 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:31:43,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:31:43,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-12-02 12:31:43,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2024-12-02 12:31:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:31:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions.
[2024-12-02 12:31:43,411 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 86
[2024-12-02 12:31:43,412 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:43,412 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions.
[2024-12-02 12:31:43,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions.
[2024-12-02 12:31:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2024-12-02 12:31:43,413 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:43,413 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:43,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 12:31:43,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:43,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:43,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1666492727, now seen corresponding path program 1 times
[2024-12-02 12:31:43,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:43,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972518067]
[2024-12-02 12:31:43,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:43,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:43,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972518067]
[2024-12-02 12:31:43,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972518067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:43,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:43,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 12:31:43,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589396024]
[2024-12-02 12:31:43,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:43,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 12:31:43,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:43,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 12:31:43,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 12:31:43,978 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:44,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:44,269 INFO L93 Difference]: Finished difference Result 198 states and 275 transitions.
[2024-12-02 12:31:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 12:31:44,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 88
[2024-12-02 12:31:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:44,271 INFO L225 Difference]: With dead ends: 198
[2024-12-02 12:31:44,271 INFO L226 Difference]: Without dead ends: 142
[2024-12-02 12:31:44,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110
[2024-12-02 12:31:44,272 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 98 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:31:44,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 378 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 12:31:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2024-12-02 12:31:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 103.
[2024-12-02 12:31:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 76 states have (on average 1.2236842105263157) internal successors, (93), 76 states have internal predecessors, (93), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-12-02 12:31:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions.
[2024-12-02 12:31:44,289 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 88
[2024-12-02 12:31:44,289 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:44,290 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions.
[2024-12-02 12:31:44,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions.
[2024-12-02 12:31:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2024-12-02 12:31:44,292 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:44,292 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:44,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 12:31:44,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:44,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:44,293 INFO L85 PathProgramCache]: Analyzing trace with hash 467367451, now seen corresponding path program 1 times
[2024-12-02 12:31:44,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:44,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364399609]
[2024-12-02 12:31:44,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:44,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:44,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:44,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364399609]
[2024-12-02 12:31:44,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364399609] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:44,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:44,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:31:44,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343172109]
[2024-12-02 12:31:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:44,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:31:44,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:44,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:31:44,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:44,400 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:44,456 INFO L93 Difference]: Finished difference Result 214 states and 298 transitions.
[2024-12-02 12:31:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:31:44,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 89
[2024-12-02 12:31:44,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:44,459 INFO L225 Difference]: With dead ends: 214
[2024-12-02 12:31:44,459 INFO L226 Difference]: Without dead ends: 158
[2024-12-02 12:31:44,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:44,460 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 45 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:31:44,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 160 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:31:44,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2024-12-02 12:31:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155.
[2024-12-02 12:31:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 115 states have (on average 1.2173913043478262) internal successors, (140), 115 states have internal predecessors, (140), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-12-02 12:31:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions.
[2024-12-02 12:31:44,480 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 89
[2024-12-02 12:31:44,481 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:44,481 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions.
[2024-12-02 12:31:44,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions.
[2024-12-02 12:31:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-12-02 12:31:44,483 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:44,483 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:44,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 12:31:44,483 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:44,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:44,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1341703634, now seen corresponding path program 1 times
[2024-12-02 12:31:44,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:44,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927083084]
[2024-12-02 12:31:44,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:44,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:44,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:44,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927083084]
[2024-12-02 12:31:44,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927083084] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:44,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:44,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:31:44,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106016290]
[2024-12-02 12:31:44,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:44,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:31:44,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:44,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:31:44,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:31:44,585 INFO L87 Difference]: Start difference. First operand 155 states and 212 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:44,720 INFO L93 Difference]: Finished difference Result 368 states and 503 transitions.
[2024-12-02 12:31:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 12:31:44,721 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 90
[2024-12-02 12:31:44,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:44,723 INFO L225 Difference]: With dead ends: 368
[2024-12-02 12:31:44,723 INFO L226 Difference]: Without dead ends: 312
[2024-12-02 12:31:44,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 12:31:44,724 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 143 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:31:44,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 310 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:31:44,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states.
[2024-12-02 12:31:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 267.
[2024-12-02 12:31:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 201 states have (on average 1.228855721393035) internal successors, (247), 201 states have internal predecessors, (247), 60 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-12-02 12:31:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 367 transitions.
[2024-12-02 12:31:44,760 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 367 transitions. Word has length 90
[2024-12-02 12:31:44,760 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:44,760 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 367 transitions.
[2024-12-02 12:31:44,760 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 367 transitions.
[2024-12-02 12:31:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-12-02 12:31:44,761 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:44,761 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:44,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 12:31:44,762 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:44,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:44,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1673399984, now seen corresponding path program 1 times
[2024-12-02 12:31:44,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:44,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260921422]
[2024-12-02 12:31:44,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:44,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:44,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:31:44,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260921422]
[2024-12-02 12:31:44,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260921422] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:44,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:44,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:31:44,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454885840]
[2024-12-02 12:31:44,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:44,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:31:44,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:31:44,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:31:44,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:31:44,960 INFO L87 Difference]: Start difference. First operand 267 states and 367 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:45,110 INFO L93 Difference]: Finished difference Result 420 states and 576 transitions.
[2024-12-02 12:31:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 12:31:45,111 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 90
[2024-12-02 12:31:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:45,113 INFO L225 Difference]: With dead ends: 420
[2024-12-02 12:31:45,113 INFO L226 Difference]: Without dead ends: 310
[2024-12-02 12:31:45,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 12:31:45,115 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 139 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:31:45,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 315 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:31:45,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states.
[2024-12-02 12:31:45,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 266.
[2024-12-02 12:31:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 200 states have (on average 1.22) internal successors, (244), 200 states have internal predecessors, (244), 60 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-12-02 12:31:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 364 transitions.
[2024-12-02 12:31:45,147 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 364 transitions. Word has length 90
[2024-12-02 12:31:45,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:45,147 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 364 transitions.
[2024-12-02 12:31:45,148 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:31:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 364 transitions.
[2024-12-02 12:31:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-12-02 12:31:45,149 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:45,149 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:45,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 12:31:45,149 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:45,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:45,150 INFO L85 PathProgramCache]: Analyzing trace with hash -422807977, now seen corresponding path program 1 times
[2024-12-02 12:31:45,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:31:45,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114133140]
[2024-12-02 12:31:45,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:45,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:31:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:31:45,190 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 12:31:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:31:45,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 12:31:45,248 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 12:31:45,249 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:31:45,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 12:31:45,253 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:31:45,308 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:31:45,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:31:45 BoogieIcfgContainer
[2024-12-02 12:31:45,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:31:45,312 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:31:45,312 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:31:45,312 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:31:45,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:42" (3/4) ...
[2024-12-02 12:31:45,315 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 12:31:45,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:31:45,317 INFO L158 Benchmark]: Toolchain (without parser) took 3722.96ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 100.1MB in the end (delta: -7.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB.
[2024-12-02 12:31:45,317 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:31:45,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.24ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:31:45,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.55ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:31:45,318 INFO L158 Benchmark]: Boogie Preprocessor took 42.75ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:31:45,319 INFO L158 Benchmark]: RCFGBuilder took 366.90ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 56.9MB in the end (delta: 17.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:31:45,319 INFO L158 Benchmark]: TraceAbstraction took 3037.82ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 56.3MB in the beginning and 101.2MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:31:45,319 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:31:45,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 225.24ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.55ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.75ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 366.90ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 56.9MB in the end (delta: 17.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 3037.82ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 56.3MB in the beginning and 101.2MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 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 shiftRight at line 60, overapproximation of shiftRight at line 60, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 80.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned short int var_1_1 = 10;
[L23] unsigned char var_1_2 = 0;
[L24] unsigned char var_1_5 = 0;
[L25] double var_1_7 = 256.75;
[L26] double var_1_8 = 63.5;
[L27] double var_1_9 = 1.8;
[L28] double var_1_10 = 0.25;
[L29] double var_1_11 = 16.5;
[L30] signed long int var_1_12 = -5;
[L31] unsigned char var_1_14 = 128;
[L32] float var_1_15 = 4.6;
[L33] unsigned long int var_1_16 = 500;
[L34] unsigned char var_1_17 = 2;
[L35] unsigned char var_1_18 = 100;
[L36] signed long int last_1_var_1_12 = -5;
[L37] unsigned char last_1_var_1_17 = 2;
VAL [isInitial=0, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=0, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L101] isInitial = 1
[L102] FCALL initially()
[L104] CALL updateLastVariables()
[L93] last_1_var_1_12 = var_1_12
[L94] last_1_var_1_17 = var_1_17
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=0, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L104] RET updateLastVariables()
[L105] CALL updateVariables()
[L71] var_1_2 = __VERIFIER_nondet_uchar()
[L72] CALL assume_abort_if_not(var_1_2 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L72] RET assume_abort_if_not(var_1_2 >= 0)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L73] CALL assume_abort_if_not(var_1_2 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L73] RET assume_abort_if_not(var_1_2 <= 1)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L74] var_1_5 = __VERIFIER_nondet_uchar()
[L75] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L75] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L76] CALL assume_abort_if_not(var_1_5 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L76] RET assume_abort_if_not(var_1_5 <= 1)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5]
[L77] var_1_8 = __VERIFIER_nondet_double()
[L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 2305843.009213691390e+12F && var_1_8 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_9=9/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_9=9/5]
[L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 2305843.009213691390e+12F && var_1_8 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_9=9/5]
[L79] var_1_9 = __VERIFIER_nondet_double()
[L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L81] var_1_10 = __VERIFIER_nondet_double()
[L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L83] var_1_11 = __VERIFIER_nondet_double()
[L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L85] var_1_14 = __VERIFIER_nondet_uchar()
[L86] CALL assume_abort_if_not(var_1_14 >= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L86] RET assume_abort_if_not(var_1_14 >= 127)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L87] CALL assume_abort_if_not(var_1_14 <= 255)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L87] RET assume_abort_if_not(var_1_14 <= 255)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L88] var_1_18 = __VERIFIER_nondet_uchar()
[L89] CALL assume_abort_if_not(var_1_18 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L89] RET assume_abort_if_not(var_1_18 >= 0)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L90] CALL assume_abort_if_not(var_1_18 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L90] RET assume_abort_if_not(var_1_18 <= 254)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L105] RET updateVariables()
[L106] CALL step()
[L41] unsigned char stepLocal_1 = last_1_var_1_12 >= last_1_var_1_17;
[L42] signed long int stepLocal_0 = last_1_var_1_17;
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, stepLocal_1=0, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L43] COND TRUE \read(var_1_2)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, stepLocal_1=0, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L44] COND FALSE !(stepLocal_1 && var_1_5)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4]
[L54] COND TRUE \read(var_1_2)
[L55] var_1_7 = (((var_1_8 + var_1_9) + var_1_10) - var_1_11)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1]
[L57] var_1_15 = var_1_8
[L58] var_1_16 = var_1_14
[L59] var_1_17 = var_1_18
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L60] EXPR -4 >> var_1_1
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L60] EXPR (((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L60] EXPR -4 >> var_1_1
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L60] EXPR (((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, var_1_12=-5, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L60] signed long int stepLocal_3 = ((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1));
[L61] signed long int stepLocal_2 = var_1_1 / -8;
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, stepLocal_2=-1, stepLocal_3=-256, var_1_12=-5, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L62] COND FALSE !((~ var_1_17) <= stepLocal_3)
[L67] var_1_12 = (var_1_17 - var_1_14)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, stepLocal_0=2, stepLocal_2=-1, var_1_12=0, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L106] RET step()
[L107] CALL, EXPR property()
[L97] EXPR ((var_1_2 ? (((last_1_var_1_12 >= last_1_var_1_17) && var_1_5) ? ((last_1_var_1_12 >= last_1_var_1_17) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) ((((25) < (last_1_var_1_17)) ? (25) : (last_1_var_1_17)))))) : 1) : (var_1_1 == ((unsigned short int) last_1_var_1_17))) && (var_1_2 ? (var_1_7 == ((double) (((var_1_8 + var_1_9) + var_1_10) - var_1_11))) : 1)) && (((~ var_1_17) <= (((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)))) ? (((var_1_14 - 64) < (var_1_1 / -8)) ? (var_1_12 == ((signed long int) var_1_1)) : 1) : (var_1_12 == ((signed long int) (var_1_17 - var_1_14))))
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=0, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L97-L98] return (((((var_1_2 ? (((last_1_var_1_12 >= last_1_var_1_17) && var_1_5) ? ((last_1_var_1_12 >= last_1_var_1_17) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) ((((25) < (last_1_var_1_17)) ? (25) : (last_1_var_1_17)))))) : 1) : (var_1_1 == ((unsigned short int) last_1_var_1_17))) && (var_1_2 ? (var_1_7 == ((double) (((var_1_8 + var_1_9) + var_1_10) - var_1_11))) : 1)) && (((~ var_1_17) <= (((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)))) ? (((var_1_14 - 64) < (var_1_1 / -8)) ? (var_1_12 == ((signed long int) var_1_1)) : 1) : (var_1_12 == ((signed long int) (var_1_17 - var_1_14))))) && (var_1_15 == ((float) var_1_8))) && (var_1_16 == ((unsigned long int) var_1_14))) && (var_1_17 == ((unsigned char) var_1_18))
;
[L107] RET, EXPR property()
[L107] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=0, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=0, var_1_14=254, var_1_15=505, var_1_16=254, var_1_17=254, var_1_18=254, var_1_1=10, var_1_2=1, var_1_5=1, var_1_8=505]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 8, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 463 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 463 mSDsluCounter, 1537 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 915 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 622 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=6, InterpolantAutomatonStates: 31, 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, 7 MinimizatonAttempts, 158 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 693 ConstructedInterpolants, 0 QuantifiedInterpolants, 1326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 2090/2112 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 12:31:45,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:31:47,307 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:31:47,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 12:31:47,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:31:47,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:31:47,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:31:47,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:31:47,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:31:47,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:31:47,423 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:31:47,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:31:47,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:31:47,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:31:47,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:31:47,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:31:47,425 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:31:47,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:31:47,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:31:47,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:31:47,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:31:47,427 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 12:31:47,427 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 12:31:47,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:31:47,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:31:47,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:31:47,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:31:47,427 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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 -> 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740
[2024-12-02 12:31:47,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:31:47,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:31:47,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:31:47,665 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:31:47,666 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:31:47,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i
[2024-12-02 12:31:50,295 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/35d4fa781/c3d056372e1b41508f2f474f778e4248/FLAG782a6db45
[2024-12-02 12:31:50,513 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:31:50,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i
[2024-12-02 12:31:50,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/35d4fa781/c3d056372e1b41508f2f474f778e4248/FLAG782a6db45
[2024-12-02 12:31:50,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/data/35d4fa781/c3d056372e1b41508f2f474f778e4248
[2024-12-02 12:31:50,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:31:50,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:31:50,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:31:50,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:31:50,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:31:50,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724c7173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50, skipping insertion in model container
[2024-12-02 12:31:50,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,559 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:31:50,668 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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926]
[2024-12-02 12:31:50,707 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:31:50,720 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:31:50,730 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_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926]
[2024-12-02 12:31:50,752 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:31:50,768 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:31:50,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50 WrapperNode
[2024-12-02 12:31:50,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:31:50,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:31:50,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:31:50,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:31:50,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,806 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106
[2024-12-02 12:31:50,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:31:50,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:31:50,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:31:50,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:31:50,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,828 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 12:31:50,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:31:50,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:31:50,848 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:31:50,848 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:31:50,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (1/1) ...
[2024-12-02 12:31:50,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:31:50,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:31:50,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:31:50,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:31:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:31:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 12:31:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 12:31:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 12:31:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:31:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:31:50,961 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:31:50,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:31:58,174 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-12-02 12:31:58,174 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:31:58,181 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:31:58,181 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 12:31:58,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:58 BoogieIcfgContainer
[2024-12-02 12:31:58,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:31:58,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:31:58,183 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:31:58,187 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:31:58,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:31:50" (1/3) ...
[2024-12-02 12:31:58,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55598293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:31:58, skipping insertion in model container
[2024-12-02 12:31:58,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:50" (2/3) ...
[2024-12-02 12:31:58,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55598293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:31:58, skipping insertion in model container
[2024-12-02 12:31:58,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:58" (3/3) ...
[2024-12-02 12:31:58,188 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-55.i
[2024-12-02 12:31:58,199 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:31:58,200 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-55.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:31:58,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:31:58,254 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;@78e63b08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:31:58,254 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:31:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:31:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-12-02 12:31:58,266 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:58,266 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:58,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:58,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:58,272 INFO L85 PathProgramCache]: Analyzing trace with hash 620519901, now seen corresponding path program 1 times
[2024-12-02 12:31:58,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:31:58,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599605538]
[2024-12-02 12:31:58,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:58,282 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 12:31:58,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:31:58,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:31:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:31:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:58,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 12:31:58,650 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:31:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2024-12-02 12:31:58,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:31:58,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:31:58,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599605538]
[2024-12-02 12:31:58,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599605538] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:58,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:58,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:31:58,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115085932]
[2024-12-02 12:31:58,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:58,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:31:58,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:31:58,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:31:58,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:31:58,703 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 12:31:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:31:58,723 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions.
[2024-12-02 12:31:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:31:58,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81
[2024-12-02 12:31:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:31:58,731 INFO L225 Difference]: With dead ends: 85
[2024-12-02 12:31:58,731 INFO L226 Difference]: Without dead ends: 42
[2024-12-02 12:31:58,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 12:31:58,737 INFO L435 NwaCegarLoop]: 59 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, 59 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 12:31:58,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:31:58,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 12:31:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 12:31:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:31:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions.
[2024-12-02 12:31:58,772 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 81
[2024-12-02 12:31:58,773 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:31:58,773 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions.
[2024-12-02 12:31:58,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 12:31:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions.
[2024-12-02 12:31:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-12-02 12:31:58,776 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:31:58,776 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:58,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:31:58,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:31:58,977 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:31:58,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:31:58,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1532144597, now seen corresponding path program 1 times
[2024-12-02 12:31:58,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:31:58,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343698274]
[2024-12-02 12:31:58,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:31:58,979 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 12:31:58,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:31:58,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:31:58,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:31:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:31:59,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 12:31:59,316 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:31:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-12-02 12:31:59,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:31:59,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:31:59,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343698274]
[2024-12-02 12:31:59,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343698274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:31:59,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:31:59,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:31:59,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322852071]
[2024-12-02 12:31:59,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:31:59,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:31:59,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:31:59,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:31:59,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:31:59,355 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:32:00,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 12:32:04,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 12:32:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:32:04,516 INFO L93 Difference]: Finished difference Result 93 states and 130 transitions.
[2024-12-02 12:32:04,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:32:04,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81
[2024-12-02 12:32:04,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:32:04,537 INFO L225 Difference]: With dead ends: 93
[2024-12-02 12:32:04,537 INFO L226 Difference]: Without dead ends: 54
[2024-12-02 12:32:04,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:32:04,538 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 15 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:32:04,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 105 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time]
[2024-12-02 12:32:04,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-12-02 12:32:04,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 43.
[2024-12-02 12:32:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:32:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions.
[2024-12-02 12:32:04,544 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 81
[2024-12-02 12:32:04,545 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:32:04,545 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions.
[2024-12-02 12:32:04,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-12-02 12:32:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions.
[2024-12-02 12:32:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-12-02 12:32:04,546 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:32:04,546 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:04,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:32:04,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:32:04,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:32:04,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:32:04,747 INFO L85 PathProgramCache]: Analyzing trace with hash -987815337, now seen corresponding path program 1 times
[2024-12-02 12:32:04,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:32:04,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763757588]
[2024-12-02 12:32:04,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:32:04,748 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 12:32:04,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:32:04,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:32:04,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de76e7e-c8ef-462f-b9f8-b9cc72f80ac3/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 12:32:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:32:05,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-12-02 12:32:05,112 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:34:18,749 WARN L286 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:34:25,047 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:34:33,284 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:34:38,386 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:34:44,256 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:34:49,717 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:34:56,623 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:35:03,948 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:35:10,100 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:35:19,873 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:35:25,603 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 12:35:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 182 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2024-12-02 12:35:29,234 INFO L312 TraceCheckSpWp]: Computing backward predicates...