./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.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_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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_835163d7-df49-4f91-bebb-accfb8e151f2/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 a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:32:57,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:32:57,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:32:57,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:32:57,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:32:58,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:32:58,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:32:58,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:32:58,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:32:58,006 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:32:58,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:32:58,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:32:58,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:32:58,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:32:58,007 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:32:58,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:32:58,008 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:32:58,009 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:32:58,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:32:58,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:32:58,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:32:58,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:32:58,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:32:58,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:32:58,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:32:58,011 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_835163d7-df49-4f91-bebb-accfb8e151f2/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 -> a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e [2024-12-02 11:32:58,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:32:58,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:32:58,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:32:58,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:32:58,277 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:32:58,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2024-12-02 11:33:00,898 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/bf89aa862/68379fd164554bf18913f3f423466464/FLAG402c2a6a9 [2024-12-02 11:33:01,087 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:33:01,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2024-12-02 11:33:01,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/bf89aa862/68379fd164554bf18913f3f423466464/FLAG402c2a6a9 [2024-12-02 11:33:01,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/bf89aa862/68379fd164554bf18913f3f423466464 [2024-12-02 11:33:01,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:33:01,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:33:01,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:33:01,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:33:01,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:33:01,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c20a978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01, skipping insertion in model container [2024-12-02 11:33:01,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:33:01,274 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_835163d7-df49-4f91-bebb-accfb8e151f2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2024-12-02 11:33:01,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:33:01,344 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:33:01,354 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_835163d7-df49-4f91-bebb-accfb8e151f2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2024-12-02 11:33:01,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:33:01,409 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:33:01,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01 WrapperNode [2024-12-02 11:33:01,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:33:01,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:33:01,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:33:01,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:33:01,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,461 INFO L138 Inliner]: procedures = 30, calls = 194, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 572 [2024-12-02 11:33:01,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:33:01,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:33:01,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:33:01,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:33:01,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,482 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 11:33:01,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:33:01,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:33:01,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:33:01,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:33:01,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (1/1) ... [2024-12-02 11:33:01,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:33:01,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:33:01,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:33:01,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 11:33:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:33:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:33:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 11:33:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:33:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:33:01,681 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:33:01,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:33:02,284 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-12-02 11:33:02,284 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:33:02,296 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:33:02,297 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:33:02,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:02 BoogieIcfgContainer [2024-12-02 11:33:02,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:33:02,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:33:02,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:33:02,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:33:02,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:33:01" (1/3) ... [2024-12-02 11:33:02,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341973e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:33:02, skipping insertion in model container [2024-12-02 11:33:02,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:01" (2/3) ... [2024-12-02 11:33:02,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341973e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:33:02, skipping insertion in model container [2024-12-02 11:33:02,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:02" (3/3) ... [2024-12-02 11:33:02,319 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-94.i [2024-12-02 11:33:02,335 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:33:02,337 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-94.i that has 2 procedures, 136 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:33:02,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:33:02,403 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;@33a6caea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:33:02,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:33:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 109 states have internal predecessors, (152), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:33:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:33:02,419 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:33:02,420 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:02,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:33:02,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:33:02,425 INFO L85 PathProgramCache]: Analyzing trace with hash -953615030, now seen corresponding path program 1 times [2024-12-02 11:33:02,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:33:02,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541282385] [2024-12-02 11:33:02,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:33:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-12-02 11:33:02,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:33:02,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541282385] [2024-12-02 11:33:02,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541282385] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:33:02,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663963404] [2024-12-02 11:33:02,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:33:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:33:02,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:33:02,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:33:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:03,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:33:03,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:33:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-12-02 11:33:03,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:33:03,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663963404] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:33:03,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:33:03,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:33:03,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958739732] [2024-12-02 11:33:03,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:33:03,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:33:03,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:33:03,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:33:03,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:33:03,197 INFO L87 Difference]: Start difference. First operand has 136 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 109 states have internal predecessors, (152), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:33:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:33:03,223 INFO L93 Difference]: Finished difference Result 265 states and 423 transitions. [2024-12-02 11:33:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:33:03,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2024-12-02 11:33:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:33:03,231 INFO L225 Difference]: With dead ends: 265 [2024-12-02 11:33:03,231 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 11:33:03,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 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 11:33:03,237 INFO L435 NwaCegarLoop]: 195 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, 195 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 11:33:03,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:33:03,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 11:33:03,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-12-02 11:33:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:33:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2024-12-02 11:33:03,282 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 194 [2024-12-02 11:33:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:33:03,282 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2024-12-02 11:33:03,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:33:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2024-12-02 11:33:03,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:33:03,286 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:33:03,287 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:03,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:33:03,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:33:03,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:33:03,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:33:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1251883440, now seen corresponding path program 1 times [2024-12-02 11:33:03,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:33:03,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90709161] [2024-12-02 11:33:03,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:33:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 11:33:03,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:33:03,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90709161] [2024-12-02 11:33:03,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90709161] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:33:03,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:33:03,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:33:03,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993915931] [2024-12-02 11:33:03,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:33:03,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:33:03,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:33:03,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:33:03,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:33:03,841 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:33:03,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:33:03,888 INFO L93 Difference]: Finished difference Result 263 states and 390 transitions. [2024-12-02 11:33:03,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:33:03,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2024-12-02 11:33:03,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:33:03,891 INFO L225 Difference]: With dead ends: 263 [2024-12-02 11:33:03,891 INFO L226 Difference]: Without dead ends: 134 [2024-12-02 11:33:03,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:33:03,892 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:33:03,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 568 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:33:03,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-12-02 11:33:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-12-02 11:33:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:33:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 197 transitions. [2024-12-02 11:33:03,905 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 197 transitions. Word has length 194 [2024-12-02 11:33:03,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:33:03,906 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 197 transitions. [2024-12-02 11:33:03,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:33:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2024-12-02 11:33:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:33:03,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:33:03,910 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:03,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:33:03,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:33:03,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:33:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash 603290670, now seen corresponding path program 1 times [2024-12-02 11:33:03,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:33:03,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258051162] [2024-12-02 11:33:03,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:03,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:33:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 11:33:06,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:33:06,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258051162] [2024-12-02 11:33:06,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258051162] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:33:06,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205348403] [2024-12-02 11:33:06,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:06,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:33:06,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:33:06,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:33:06,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:33:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:06,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 11:33:06,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:33:06,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:33:06,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:06,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:06,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:06,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:06,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:07,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:07,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 11:33:07,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 11:33:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 604 proven. 42 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-12-02 11:33:07,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:33:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 11:33:07,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205348403] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:33:07,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:33:07,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-12-02 11:33:07,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811896018] [2024-12-02 11:33:07,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:33:07,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 11:33:07,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:33:07,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 11:33:07,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:33:07,597 INFO L87 Difference]: Start difference. First operand 134 states and 197 transitions. Second operand has 15 states, 12 states have (on average 11.75) internal successors, (141), 15 states have internal predecessors, (141), 7 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 4 states have call predecessors, (51), 7 states have call successors, (51) [2024-12-02 11:33:08,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:33:08,560 INFO L93 Difference]: Finished difference Result 271 states and 396 transitions. [2024-12-02 11:33:08,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 11:33:08,561 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 11.75) internal successors, (141), 15 states have internal predecessors, (141), 7 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 4 states have call predecessors, (51), 7 states have call successors, (51) Word has length 194 [2024-12-02 11:33:08,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:33:08,563 INFO L225 Difference]: With dead ends: 271 [2024-12-02 11:33:08,563 INFO L226 Difference]: Without dead ends: 140 [2024-12-02 11:33:08,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 381 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-12-02 11:33:08,564 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 521 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:33:08,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 429 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 11:33:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-12-02 11:33:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2024-12-02 11:33:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:33:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 199 transitions. [2024-12-02 11:33:08,579 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 199 transitions. Word has length 194 [2024-12-02 11:33:08,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:33:08,580 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 199 transitions. [2024-12-02 11:33:08,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 11.75) internal successors, (141), 15 states have internal predecessors, (141), 7 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 4 states have call predecessors, (51), 7 states have call successors, (51) [2024-12-02 11:33:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2024-12-02 11:33:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:33:08,582 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:33:08,583 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:08,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 11:33:08,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:33:08,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:33:08,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:33:08,784 INFO L85 PathProgramCache]: Analyzing trace with hash -417777684, now seen corresponding path program 1 times [2024-12-02 11:33:08,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:33:08,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259932535] [2024-12-02 11:33:08,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:08,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:33:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:33:08,951 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:33:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:33:09,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:33:09,077 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:33:09,078 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:33:09,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:33:09,081 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 11:33:09,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:33:09,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:33:09 BoogieIcfgContainer [2024-12-02 11:33:09,140 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:33:09,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:33:09,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:33:09,141 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:33:09,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:02" (3/4) ... [2024-12-02 11:33:09,143 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:33:09,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:33:09,145 INFO L158 Benchmark]: Toolchain (without parser) took 8028.38ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 116.3MB in the beginning and 238.2MB in the end (delta: -121.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-12-02 11:33:09,145 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:33:09,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.89ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 97.7MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:33:09,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.34ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 93.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:33:09,146 INFO L158 Benchmark]: Boogie Preprocessor took 55.91ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 89.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:33:09,146 INFO L158 Benchmark]: RCFGBuilder took 778.94ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 53.3MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 11:33:09,146 INFO L158 Benchmark]: TraceAbstraction took 6841.03ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 52.8MB in the beginning and 238.2MB in the end (delta: -185.4MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2024-12-02 11:33:09,147 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 302.0MB. Free memory was 238.2MB in the beginning and 238.2MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:33:09,148 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 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.89ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 97.7MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.34ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 93.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.91ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 89.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 778.94ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 53.3MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6841.03ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 52.8MB in the beginning and 238.2MB in the end (delta: -185.4MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 302.0MB. Free memory was 238.2MB in the beginning and 238.2MB in the end (delta: 25.6kB). 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 someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 139. Possible FailurePath: [L43] unsigned char isInitial = 0; [L44-L64] struct WrapperStruct00 WrapperStruct00 = { 63.4, 25.2, 3.75, 0.0, 63.4, 3.7, 0, 63.75, 0, 0, -64, -32, 2, -4, -25, 5, -2, 2, 16 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L143] isInitial = 1 [L144] FCALL initially() [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L95] WrapperStruct00.var_1_2 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_2 [L96] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_2 [L96] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_3 [L98] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_3 [L98] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L100] EXPR WrapperStruct00.var_1_4 [L100] EXPR WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_4 [L100] EXPR WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L104] EXPR WrapperStruct00.var_1_6 [L104] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_6 [L104] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L106] EXPR WrapperStruct00.var_1_8 [L106] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L106] EXPR WrapperStruct00.var_1_8 [L106] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L106] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_8 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_8 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L115] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L118] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L121] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L124] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L127] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L127] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L127] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L128] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L128] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 31) VAL [WrapperStruct00={4:0}, isInitial=1] [L129] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L130] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L130] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L131] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L131] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L131] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 128) VAL [WrapperStruct00={4:0}, isInitial=1] [L132] WrapperStruct00.var_1_19 = __VERIFIER_nondet_uchar() [L133] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L133] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L133] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L134] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L134] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L134] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L147] RET updateVariables() [L148] CALL step() [L68] EXPR WrapperStruct00.var_1_2 [L68] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L68] COND FALSE !(WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) [L71] EXPR WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_1 [L71] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L71] COND FALSE !(WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) [L78] EXPR WrapperStruct00.var_1_10 [L78] WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9 [L78] EXPR WrapperStruct00.var_1_9 [L78] WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L78] COND TRUE WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9 [L79] EXPR WrapperStruct00.var_1_12 [L79] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_12 [L83] EXPR WrapperStruct00.var_1_15 [L83] signed char stepLocal_0 = WrapperStruct00.var_1_15; [L84] EXPR WrapperStruct00.var_1_6 [L84] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-31] [L84] COND FALSE !(WrapperStruct00.var_1_6 > WrapperStruct00.var_1_5) [L91] EXPR WrapperStruct00.var_1_13 [L91] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_13 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR WrapperStruct00.var_1_2 [L139] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR (WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1 [L139] EXPR WrapperStruct00.var_1_1 [L139] EXPR WrapperStruct00.var_1_4 [L139] EXPR WrapperStruct00.var_1_5 [L139] EXPR WrapperStruct00.var_1_6 [L139] EXPR (WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR ((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR (((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((signed char) WrapperStruct00.var_1_12)) : (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14))) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR ((((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((signed char) WrapperStruct00.var_1_12)) : (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14))) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)))))) && ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_1 != (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (((WrapperStruct00.var_1_11 % (WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_17 == ((signed long int) -64)) : 1) : 1) : (WrapperStruct00.var_1_17 == ((signed long int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1] [L139-L140] return ((((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((signed char) WrapperStruct00.var_1_12)) : (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14))) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)))))) && ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_1 != (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (((WrapperStruct00.var_1_11 % (WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_17 == ((signed long int) -64)) : 1) : 1) : (WrapperStruct00.var_1_17 == ((signed long int) WrapperStruct00.var_1_13))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 4, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 531 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 521 mSDsluCounter, 1192 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 715 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 763 IncrementalHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 477 mSDtfsCounter, 763 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 606 GetRequests, 578 SyntacticMatches, 8 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1164 NumberOfCodeBlocks, 1164 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1158 ConstructedInterpolants, 0 QuantifiedInterpolants, 3199 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1320 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 7026/7200 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 11:33:09,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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_835163d7-df49-4f91-bebb-accfb8e151f2/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 a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:33:11,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:33:11,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:33:11,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:33:11,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:33:11,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:33:11,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:33:11,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:33:11,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:33:11,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:33:11,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:33:11,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:33:11,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:33:11,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:33:11,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:33:11,226 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:33:11,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:33:11,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:33:11,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:33:11,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:33:11,228 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_835163d7-df49-4f91-bebb-accfb8e151f2/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 -> a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e [2024-12-02 11:33:11,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:33:11,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:33:11,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:33:11,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:33:11,485 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:33:11,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2024-12-02 11:33:14,168 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/5e5c3cc59/ba03a7699f574cb5ac67413a0e2f6aa3/FLAGa25b6b688 [2024-12-02 11:33:14,376 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:33:14,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2024-12-02 11:33:14,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/5e5c3cc59/ba03a7699f574cb5ac67413a0e2f6aa3/FLAGa25b6b688 [2024-12-02 11:33:14,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/data/5e5c3cc59/ba03a7699f574cb5ac67413a0e2f6aa3 [2024-12-02 11:33:14,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:33:14,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:33:14,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:33:14,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:33:14,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:33:14,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429e0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14, skipping insertion in model container [2024-12-02 11:33:14,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:33:14,520 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_835163d7-df49-4f91-bebb-accfb8e151f2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2024-12-02 11:33:14,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:33:14,585 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:33:14,594 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_835163d7-df49-4f91-bebb-accfb8e151f2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2024-12-02 11:33:14,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:33:14,660 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:33:14,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14 WrapperNode [2024-12-02 11:33:14,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:33:14,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:33:14,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:33:14,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:33:14,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,713 INFO L138 Inliner]: procedures = 37, calls = 194, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 566 [2024-12-02 11:33:14,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:33:14,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:33:14,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:33:14,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:33:14,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,747 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-12-02 11:33:14,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:33:14,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:33:14,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:33:14,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:33:14,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (1/1) ... [2024-12-02 11:33:14,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:33:14,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:33:14,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:33:14,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 11:33:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 11:33:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:33:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:33:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 11:33:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 11:33:14,970 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:33:14,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:33:58,648 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-12-02 11:33:58,648 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:33:58,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:33:58,663 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:33:58,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:58 BoogieIcfgContainer [2024-12-02 11:33:58,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:33:58,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:33:58,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:33:58,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:33:58,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:33:14" (1/3) ... [2024-12-02 11:33:58,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7257f969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:33:58, skipping insertion in model container [2024-12-02 11:33:58,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:14" (2/3) ... [2024-12-02 11:33:58,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7257f969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:33:58, skipping insertion in model container [2024-12-02 11:33:58,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:58" (3/3) ... [2024-12-02 11:33:58,675 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-94.i [2024-12-02 11:33:58,692 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:33:58,694 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-94.i that has 2 procedures, 136 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:33:58,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:33:58,767 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;@670e79ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:33:58,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:33:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 109 states have internal predecessors, (152), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:33:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:33:58,785 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:33:58,786 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:58,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:33:58,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:33:58,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1840059436, now seen corresponding path program 1 times [2024-12-02 11:33:58,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:33:58,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216258954] [2024-12-02 11:33:58,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:58,803 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 11:33:58,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:33:58,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:33:58,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:34:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:34:00,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:34:00,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:34:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2024-12-02 11:34:00,262 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:34:00,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:34:00,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216258954] [2024-12-02 11:34:00,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216258954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:34:00,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:34:00,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:34:00,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240635389] [2024-12-02 11:34:00,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:34:00,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:34:00,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:34:00,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:34:00,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:34:00,289 INFO L87 Difference]: Start difference. First operand has 136 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 109 states have internal predecessors, (152), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:34:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:34:00,323 INFO L93 Difference]: Finished difference Result 265 states and 423 transitions. [2024-12-02 11:34:00,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:34:00,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2024-12-02 11:34:00,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:34:00,331 INFO L225 Difference]: With dead ends: 265 [2024-12-02 11:34:00,332 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 11:34:00,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 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 11:34:00,338 INFO L435 NwaCegarLoop]: 195 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, 195 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 11:34:00,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:34:00,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 11:34:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-12-02 11:34:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:34:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2024-12-02 11:34:00,381 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 194 [2024-12-02 11:34:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:34:00,382 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2024-12-02 11:34:00,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:34:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2024-12-02 11:34:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:34:00,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:34:00,387 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:00,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:34:00,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:34:00,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:34:00,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:34:00,589 INFO L85 PathProgramCache]: Analyzing trace with hash -249409390, now seen corresponding path program 1 times [2024-12-02 11:34:00,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:34:00,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245245181] [2024-12-02 11:34:00,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:34:00,590 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 11:34:00,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:34:00,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:34:00,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:34:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:34:02,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:34:02,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:34:02,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:34:02,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-12-02 11:34:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2024-12-02 11:34:02,790 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:34:02,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:34:02,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245245181] [2024-12-02 11:34:02,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245245181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:34:02,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:34:02,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:34:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458758987] [2024-12-02 11:34:02,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:34:02,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:34:02,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:34:02,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:34:02,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:34:02,794 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:34:04,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:10,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:14,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:18,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:22,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:26,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:31,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:35,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:40,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:43,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:47,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:51,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:55,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:34:59,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:03,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:07,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:09,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:14,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:19,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:23,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:27,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:30,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:34,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:38,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:42,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:46,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:51,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:53,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:35:55,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:00,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:04,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:05,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:09,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:10,154 INFO L93 Difference]: Finished difference Result 262 states and 388 transitions. [2024-12-02 11:36:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:36:10,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2024-12-02 11:36:10,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:10,158 INFO L225 Difference]: With dead ends: 262 [2024-12-02 11:36:10,159 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 11:36:10,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:10,160 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 175 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:10,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 512 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 23 Unknown, 0 Unchecked, 127.1s Time] [2024-12-02 11:36:10,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 11:36:10,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-12-02 11:36:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.3714285714285714) internal successors, (144), 105 states have internal predecessors, (144), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:36:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 194 transitions. [2024-12-02 11:36:10,169 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 194 transitions. Word has length 194 [2024-12-02 11:36:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:10,170 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 194 transitions. [2024-12-02 11:36:10,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:36:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2024-12-02 11:36:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-02 11:36:10,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:10,173 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:36:10,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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)] Forceful destruction successful, exit code 0 [2024-12-02 11:36:10,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:36:10,373 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:10,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1208973016, now seen corresponding path program 1 times [2024-12-02 11:36:10,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:36:10,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207739749] [2024-12-02 11:36:10,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:10,374 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 11:36:10,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:36:10,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:36:10,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:36:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:11,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:36:11,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:12,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:36:12,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 11:36:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-12-02 11:36:12,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:12,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:36:12,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207739749] [2024-12-02 11:36:12,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207739749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:12,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:12,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:36:12,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239815348] [2024-12-02 11:36:12,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:12,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:36:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:36:12,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:36:12,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:36:12,490 INFO L87 Difference]: Start difference. First operand 132 states and 194 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:36:16,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:20,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:24,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:27,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:32,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:34,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:38,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:42,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:46,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:50,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:55,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:36:59,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:04,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:09,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:13,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:17,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:21,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:22,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:27,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:31,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:35,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:39,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:43,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:47,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:51,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:37:56,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:01,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:05,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:09,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:14,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:18,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:22,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:22,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:38:22,282 INFO L93 Difference]: Finished difference Result 262 states and 386 transitions. [2024-12-02 11:38:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:38:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 196 [2024-12-02 11:38:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:38:22,286 INFO L225 Difference]: With dead ends: 262 [2024-12-02 11:38:22,286 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 11:38:22,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:38:22,287 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 166 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:38:22,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 508 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 26 Unknown, 0 Unchecked, 129.6s Time] [2024-12-02 11:38:22,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 11:38:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-12-02 11:38:22,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:38:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 193 transitions. [2024-12-02 11:38:22,294 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 193 transitions. Word has length 196 [2024-12-02 11:38:22,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:38:22,294 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 193 transitions. [2024-12-02 11:38:22,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:38:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2024-12-02 11:38:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-12-02 11:38:22,296 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:38:22,296 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:22,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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)] Forceful destruction successful, exit code 0 [2024-12-02 11:38:22,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:38:22,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:38:22,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:38:22,497 INFO L85 PathProgramCache]: Analyzing trace with hash -813505326, now seen corresponding path program 1 times [2024-12-02 11:38:22,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:38:22,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549158075] [2024-12-02 11:38:22,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:38:22,498 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 11:38:22,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:38:22,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:38:22,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 11:38:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:38:23,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:38:23,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:38:24,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:38:24,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 11:38:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-12-02 11:38:24,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:38:24,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:38:24,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549158075] [2024-12-02 11:38:24,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549158075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:38:24,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:38:24,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:38:24,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370869106] [2024-12-02 11:38:24,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:38:24,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:38:24,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:38:24,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:38:24,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:38:24,858 INFO L87 Difference]: Start difference. First operand 132 states and 193 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:38:26,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:29,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:33,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:37,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:39,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:40,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:44,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:48,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:52,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:38:56,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:00,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:04,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:08,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:12,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:16,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:18,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:22,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:26,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:30,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:34,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:37,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:39,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:43,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:47,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:49,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:53,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:39:56,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:01,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:05,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:09,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:10,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:15,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:19,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:23,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:27,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:31,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:34,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:40:34,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:34,777 INFO L93 Difference]: Finished difference Result 262 states and 384 transitions. [2024-12-02 11:40:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:40:34,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 198 [2024-12-02 11:40:34,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:34,782 INFO L225 Difference]: With dead ends: 262 [2024-12-02 11:40:34,782 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 11:40:34,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:34,783 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 157 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:34,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 504 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 23 Unknown, 0 Unchecked, 129.7s Time] [2024-12-02 11:40:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 11:40:34,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-12-02 11:40:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:40:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-12-02 11:40:34,795 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 198 [2024-12-02 11:40:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:34,795 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-12-02 11:40:34,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:40:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-12-02 11:40:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-12-02 11:40:34,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:34,797 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:34,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-12-02 11:40:34,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:40:34,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:34,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:34,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1612494122, now seen corresponding path program 1 times [2024-12-02 11:40:34,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:40:34,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342677663] [2024-12-02 11:40:34,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:34,999 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 11:40:34,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:40:35,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:40:35,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 11:40:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:36,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:40:36,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2024-12-02 11:40:36,430 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:40:36,430 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:40:36,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342677663] [2024-12-02 11:40:36,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342677663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:36,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:36,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:40:36,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116396907] [2024-12-02 11:40:36,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:36,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:40:36,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:40:36,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:40:36,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:40:36,432 INFO L87 Difference]: Start difference. First operand 132 states and 192 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 11:40:37,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:37,773 INFO L93 Difference]: Finished difference Result 265 states and 386 transitions. [2024-12-02 11:40:37,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:40:37,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 200 [2024-12-02 11:40:37,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:37,776 INFO L225 Difference]: With dead ends: 265 [2024-12-02 11:40:37,776 INFO L226 Difference]: Without dead ends: 134 [2024-12-02 11:40:37,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:40:37,777 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:37,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 761 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 11:40:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-12-02 11:40:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2024-12-02 11:40:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 11:40:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 191 transitions. [2024-12-02 11:40:37,790 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 191 transitions. Word has length 200 [2024-12-02 11:40:37,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:37,790 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 191 transitions. [2024-12-02 11:40:37,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 11:40:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 191 transitions. [2024-12-02 11:40:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-12-02 11:40:37,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:37,793 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:37,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 11:40:37,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:40:37,994 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:37,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:37,994 INFO L85 PathProgramCache]: Analyzing trace with hash 788139288, now seen corresponding path program 1 times [2024-12-02 11:40:37,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:40:37,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806771999] [2024-12-02 11:40:37,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:37,995 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 11:40:37,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:40:37,996 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 11:40:37,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835163d7-df49-4f91-bebb-accfb8e151f2/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 (7)] Waiting until timeout for monitored process [2024-12-02 11:40:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:39,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 11:40:39,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:39,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 11:40:40,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-12-02 11:40:40,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-12-02 11:40:41,362 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:41,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2024-12-02 11:40:42,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:42,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 11:40:42,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:42,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-02 11:40:44,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:44,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-12-02 11:40:44,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:44,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-12-02 11:40:45,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:45,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 61 [2024-12-02 11:40:50,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:40:50,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 36 [2024-12-02 11:40:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 921 proven. 42 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-02 11:40:50,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:40:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 11:40:52,434 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:40:52,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806771999] [2024-12-02 11:40:52,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806771999] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:40:52,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:40:52,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 16 [2024-12-02 11:40:52,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571703674] [2024-12-02 11:40:52,435 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:40:52,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 11:40:52,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:40:52,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 11:40:52,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=164, Unknown=1, NotChecked=0, Total=240 [2024-12-02 11:40:52,436 INFO L87 Difference]: Start difference. First operand 132 states and 191 transitions. Second operand has 16 states, 14 states have (on average 8.642857142857142) internal successors, (121), 16 states have internal predecessors, (121), 9 states have call successors, (41), 6 states have call predecessors, (41), 8 states have return successors, (41), 7 states have call predecessors, (41), 9 states have call successors, (41) [2024-12-02 11:40:55,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:40:59,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:03,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:07,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:08,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:12,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:15,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:18,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:27,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:31,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:35,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:47,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:41:59,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:03,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:07,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:11,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:15,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:19,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:23,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:27,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:31,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:35,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:39,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:44,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:48,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:52,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:56,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:00,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:04,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:08,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:12,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:13,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:17,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:21,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:25,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:30,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:34,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:39,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:40,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:46,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:50,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:43:55,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:08,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:12,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:16,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:20,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:24,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:28,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:32,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:36,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:41,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:45,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:49,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:53,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:57,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:01,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:05,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:09,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:13,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:18,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:22,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:26,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:30,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:35,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:39,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:43,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:48,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:52,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:45:56,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:00,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:04,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:08,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:12,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:13,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:17,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:21,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:25,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:29,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:33,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:38,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:42,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:46,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:50,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:55,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:46:57,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:03,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:07,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:09,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:14,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:18,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:22,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:26,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:30,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:34,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:38,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:42,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:46,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:50,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:54,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:58,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:48:02,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]