./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:35:52,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:35:52,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:35:52,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:35:52,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:35:52,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:35:52,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:35:52,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:35:52,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:35:52,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:35:52,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:35:52,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:35:52,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:35:52,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:35:52,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:35:52,743 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:35:52,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:52,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:52,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:35:52,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:35:52,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:35:52,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:35:52,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:35:52,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:35:52,745 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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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 -> 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d [2024-12-02 06:35:52,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:35:52,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:35:52,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:35:52,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:35:52,985 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:35:52,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-12-02 06:35:55,588 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/59999fb10/dbc5020ff33b4d438d46f793c2f26dfb/FLAGc451ec117 [2024-12-02 06:35:55,817 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:35:55,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-12-02 06:35:55,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/59999fb10/dbc5020ff33b4d438d46f793c2f26dfb/FLAGc451ec117 [2024-12-02 06:35:56,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/59999fb10/dbc5020ff33b4d438d46f793c2f26dfb [2024-12-02 06:35:56,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:35:56,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:35:56,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:35:56,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:35:56,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:35:56,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42abd6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56, skipping insertion in model container [2024-12-02 06:35:56,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:35:56,300 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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-12-02 06:35:56,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:35:56,362 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:35:56,370 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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-12-02 06:35:56,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:35:56,425 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:35:56,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56 WrapperNode [2024-12-02 06:35:56,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:35:56,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:35:56,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:35:56,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:35:56,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,480 INFO L138 Inliner]: procedures = 30, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 488 [2024-12-02 06:35:56,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:35:56,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:35:56,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:35:56,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:35:56,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,498 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 06:35:56,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:35:56,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:35:56,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:35:56,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:35:56,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (1/1) ... [2024-12-02 06:35:56,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:56,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:35:56,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:35:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:35:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:35:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 06:35:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 06:35:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 06:35:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 06:35:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 06:35:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 06:35:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:35:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:35:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 06:35:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:35:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:35:56,681 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:35:56,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:35:57,360 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-12-02 06:35:57,361 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:35:57,372 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:35:57,372 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:35:57,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:57 BoogieIcfgContainer [2024-12-02 06:35:57,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:35:57,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:35:57,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:35:57,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:35:57,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:35:56" (1/3) ... [2024-12-02 06:35:57,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7773d960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:35:57, skipping insertion in model container [2024-12-02 06:35:57,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:56" (2/3) ... [2024-12-02 06:35:57,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7773d960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:35:57, skipping insertion in model container [2024-12-02 06:35:57,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:57" (3/3) ... [2024-12-02 06:35:57,381 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-20.i [2024-12-02 06:35:57,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:35:57,397 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-20.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:35:57,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:35:57,453 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;@68333544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:35:57,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:35:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:35:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:35:57,468 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:57,469 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:57,469 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:57,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:57,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2134393421, now seen corresponding path program 1 times [2024-12-02 06:35:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:35:57,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973318048] [2024-12-02 06:35:57,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:35:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 06:35:57,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:35:57,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973318048] [2024-12-02 06:35:57,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973318048] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:35:57,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300674424] [2024-12-02 06:35:57,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:57,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:35:57,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:35:57,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:35:57,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:35:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:58,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:35:58,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:35:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 06:35:58,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:35:58,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300674424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:35:58,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:35:58,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:35:58,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144404524] [2024-12-02 06:35:58,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:35:58,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:35:58,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:35:58,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:35:58,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:35:58,121 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:35:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:35:58,149 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-12-02 06:35:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:35:58,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-12-02 06:35:58,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:35:58,157 INFO L225 Difference]: With dead ends: 219 [2024-12-02 06:35:58,157 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 06:35:58,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:35:58,162 INFO L435 NwaCegarLoop]: 156 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, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:35:58,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:35:58,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 06:35:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 06:35:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:35:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-12-02 06:35:58,202 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-12-02 06:35:58,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:35:58,202 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-12-02 06:35:58,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:35:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-12-02 06:35:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:35:58,205 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:58,205 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:58,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:35:58,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:35:58,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:58,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:58,407 INFO L85 PathProgramCache]: Analyzing trace with hash 594603229, now seen corresponding path program 1 times [2024-12-02 06:35:58,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:35:58,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294352760] [2024-12-02 06:35:58,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:35:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 06:35:58,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:35:58,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294352760] [2024-12-02 06:35:58,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294352760] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:35:58,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:35:58,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:35:58,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558763437] [2024-12-02 06:35:58,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:35:58,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:35:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:35:58,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:35:58,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:35:58,717 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:35:58,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:35:58,763 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-12-02 06:35:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:35:58,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-12-02 06:35:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:35:58,765 INFO L225 Difference]: With dead ends: 217 [2024-12-02 06:35:58,765 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 06:35:58,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:35:58,767 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 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 06:35:58,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:35:58,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 06:35:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 06:35:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:35:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-12-02 06:35:58,775 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-12-02 06:35:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:35:58,776 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-12-02 06:35:58,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:35:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-12-02 06:35:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:35:58,778 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:58,779 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:35:58,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash -436437669, now seen corresponding path program 1 times [2024-12-02 06:35:58,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:35:58,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119720052] [2024-12-02 06:35:58,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:35:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 06:36:01,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:36:01,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119720052] [2024-12-02 06:36:01,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119720052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:01,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:01,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:36:01,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798971265] [2024-12-02 06:36:01,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:01,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:36:01,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:36:01,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:36:01,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:36:01,169 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:36:01,663 INFO L93 Difference]: Finished difference Result 256 states and 363 transitions. [2024-12-02 06:36:01,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:36:01,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-12-02 06:36:01,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:36:01,666 INFO L225 Difference]: With dead ends: 256 [2024-12-02 06:36:01,666 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 06:36:01,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:36:01,667 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 42 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:36:01,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 509 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:36:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 06:36:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 122. [2024-12-02 06:36:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 101 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:36:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 173 transitions. [2024-12-02 06:36:01,681 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 173 transitions. Word has length 152 [2024-12-02 06:36:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:01,682 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 173 transitions. [2024-12-02 06:36:01,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-12-02 06:36:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:36:01,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:01,684 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:36:01,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:36:01,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:36:01,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:01,685 INFO L85 PathProgramCache]: Analyzing trace with hash 264626909, now seen corresponding path program 1 times [2024-12-02 06:36:01,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:36:01,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442702268] [2024-12-02 06:36:01,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:01,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:36:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:36:01,805 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:36:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:36:01,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:36:01,904 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:36:01,904 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:36:01,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:36:01,908 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 06:36:01,957 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:36:01,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:36:01 BoogieIcfgContainer [2024-12-02 06:36:01,960 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:36:01,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:36:01,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:36:01,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:36:01,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:57" (3/4) ... [2024-12-02 06:36:01,963 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:36:01,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:36:01,964 INFO L158 Benchmark]: Toolchain (without parser) took 5785.59ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 92.9MB in the beginning and 213.6MB in the end (delta: -120.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-12-02 06:36:01,964 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:36:01,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.27ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 75.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:36:01,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.74ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 72.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:36:01,965 INFO L158 Benchmark]: Boogie Preprocessor took 47.77ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 68.5MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:36:01,966 INFO L158 Benchmark]: RCFGBuilder took 843.51ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 88.9MB in the end (delta: -20.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-12-02 06:36:01,966 INFO L158 Benchmark]: TraceAbstraction took 4585.93ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 87.8MB in the beginning and 213.6MB in the end (delta: -125.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-12-02 06:36:01,966 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 276.8MB. Free memory was 213.6MB in the beginning and 213.6MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:36:01,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.27ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 75.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.74ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 72.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.77ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 68.5MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 843.51ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 88.9MB in the end (delta: -20.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4585.93ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 87.8MB in the beginning and 213.6MB in the end (delta: -125.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 276.8MB. Free memory was 213.6MB in the beginning and 213.6MB in the end (delta: 35.3kB). 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 someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 124, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0.6, 0, 0.0, 2.95, 8.5, 999999999999.4, 10.2, 4.6, 256, 0, 3724367395, 25, 1, 1, 128, 100 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L128] isInitial = 1 [L129] FCALL initially() [L131] FCALL updateLastVariables() [L132] CALL updateVariables() [L89] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L93] EXPR WrapperStruct00.var_1_3 [L93] EXPR WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_3 [L93] EXPR WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR (WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+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] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L95] EXPR WrapperStruct00.var_1_4 [L95] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_4 [L95] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+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] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L97] EXPR WrapperStruct00.var_1_5 [L97] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_5 [L97] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L97] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+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] [L97] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L99] EXPR WrapperStruct00.var_1_6 [L99] EXPR WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_6 [L99] EXPR WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR (WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+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] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_8 [L101] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_8 [L101] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+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] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] 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] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) 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_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_11 = __VERIFIER_nondet_ulong() [L106] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 3221225470) 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_11 >= 3221225470) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 4294967294) 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_11 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) 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_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1073741823) 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_12 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 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_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) 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_13 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 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_15 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 254) 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_15 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L118] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) 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_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 127) 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_16 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L132] RET updateVariables() [L133] CALL step() [L62] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L62] COND FALSE !(WrapperStruct00.var_1_2) [L65] EXPR WrapperStruct00.var_1_4 [L65] EXPR WrapperStruct00.var_1_6 [L65] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6) [L67] EXPR WrapperStruct00.var_1_4 [L67] EXPR WrapperStruct00.var_1_3 [L67] EXPR WrapperStruct00.var_1_8 [L67] WrapperStruct00.var_1_7 = ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8)) [L68] EXPR WrapperStruct00.var_1_13 [L68] unsigned long int stepLocal_2 = WrapperStruct00.var_1_13; [L69] signed long int stepLocal_1 = 5; [L70] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_1=5, stepLocal_2=7] [L70] COND FALSE !(stepLocal_1 >= WrapperStruct00.var_1_11) [L81] EXPR WrapperStruct00.var_1_2 [L81] unsigned char stepLocal_0 = WrapperStruct00.var_1_2; [L82] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-256, stepLocal_2=7] [L82] COND TRUE WrapperStruct00.var_1_10 || stepLocal_0 [L83] EXPR WrapperStruct00.var_1_11 [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 [L83] WrapperStruct00.var_1_9 = ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14) [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6))) [L124] EXPR WrapperStruct00.var_1_1 [L124] EXPR WrapperStruct00.var_1_4 [L124] EXPR WrapperStruct00.var_1_6 [L124] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8)))) [L124] EXPR WrapperStruct00.var_1_7 [L124] EXPR WrapperStruct00.var_1_4 [L124] EXPR WrapperStruct00.var_1_3 [L124] EXPR WrapperStruct00.var_1_8 [L124] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8)))) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8))))) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_9 == ((unsigned long int) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_9 == ((unsigned long int) (WrapperStruct00.var_1_14 + ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14))))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8))))) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_9 == ((unsigned long int) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_9 == ((unsigned long int) (WrapperStruct00.var_1_14 + ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))))))) && ((5 >= WrapperStruct00.var_1_11) ? ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_14 == ((unsigned char) (128 - 16))) : ((WrapperStruct00.var_1_13 >= ((((WrapperStruct00.var_1_12) < 0 ) ? -(WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_12)))) ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_16)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L124-L125] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8))))) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_9 == ((unsigned long int) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_9 == ((unsigned long int) (WrapperStruct00.var_1_14 + ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))))))) && ((5 >= WrapperStruct00.var_1_11) ? ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_14 == ((unsigned char) (128 - 16))) : ((WrapperStruct00.var_1_13 >= ((((WrapperStruct00.var_1_12) < 0 ) ? -(WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_12)))) ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_16)))) : 1) ; [L134] RET, EXPR property() [L134] 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, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 1116 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 681 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 435 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 542 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2700/2736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:36:01,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:36:03,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:36:04,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:36:04,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:36:04,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:36:04,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:36:04,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:36:04,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:36:04,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:36:04,046 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:36:04,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:36:04,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:36:04,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:36:04,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:36:04,047 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:36:04,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:36:04,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:36:04,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:36:04,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:36:04,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:36:04,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:36:04,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:36:04,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:36:04,051 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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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 -> 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d [2024-12-02 06:36:04,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:36:04,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:36:04,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:36:04,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:36:04,317 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:36:04,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-12-02 06:36:07,035 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/e6e11494f/e42efb1eea4f44f5b787194b46b3d631/FLAG04d51b22b [2024-12-02 06:36:07,224 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:36:07,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-12-02 06:36:07,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/e6e11494f/e42efb1eea4f44f5b787194b46b3d631/FLAG04d51b22b [2024-12-02 06:36:07,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/data/e6e11494f/e42efb1eea4f44f5b787194b46b3d631 [2024-12-02 06:36:07,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:36:07,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:36:07,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:36:07,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:36:07,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:36:07,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340b540a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07, skipping insertion in model container [2024-12-02 06:36:07,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:36:07,720 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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-12-02 06:36:07,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:36:07,776 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:36:07,785 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_98d85d71-1550-4b8a-afeb-cbd917bdcb63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-12-02 06:36:07,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:36:07,851 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:36:07,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07 WrapperNode [2024-12-02 06:36:07,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:36:07,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:36:07,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:36:07,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:36:07,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,904 INFO L138 Inliner]: procedures = 37, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 487 [2024-12-02 06:36:07,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:36:07,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:36:07,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:36:07,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:36:07,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,938 INFO L175 MemorySlicer]: Split 137 memory accesses to 2 slices as follows [2, 135]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 37 writes are split as follows [0, 37]. [2024-12-02 06:36:07,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,959 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:36:07,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:36:07,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:36:07,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:36:07,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (1/1) ... [2024-12-02 06:36:07,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:36:07,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:36:08,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:36:08,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 06:36:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 06:36:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:36:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:36:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 06:36:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 06:36:08,160 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:36:08,162 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:36:20,546 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-12-02 06:36:20,546 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:36:20,558 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:36:20,558 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:36:20,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:36:20 BoogieIcfgContainer [2024-12-02 06:36:20,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:36:20,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:36:20,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:36:20,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:36:20,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:36:07" (1/3) ... [2024-12-02 06:36:20,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465c739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:36:20, skipping insertion in model container [2024-12-02 06:36:20,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:36:07" (2/3) ... [2024-12-02 06:36:20,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465c739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:36:20, skipping insertion in model container [2024-12-02 06:36:20,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:36:20" (3/3) ... [2024-12-02 06:36:20,578 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-20.i [2024-12-02 06:36:20,589 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:36:20,590 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-20.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:36:20,632 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:36:20,643 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;@19a81d6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:36:20,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:36:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:36:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:36:20,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:20,659 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:36:20,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:36:20,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:20,664 INFO L85 PathProgramCache]: Analyzing trace with hash 971865169, now seen corresponding path program 1 times [2024-12-02 06:36:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:36:20,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593414946] [2024-12-02 06:36:20,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:36:20,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:36:20,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 06:36:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:21,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:36:21,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:36:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-12-02 06:36:21,583 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:36:21,584 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:36:21,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593414946] [2024-12-02 06:36:21,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593414946] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:21,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:21,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:36:21,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936356897] [2024-12-02 06:36:21,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:21,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:36:21,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:36:21,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:36:21,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:36:21,612 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:21,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:36:21,640 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-12-02 06:36:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:36:21,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-12-02 06:36:21,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:36:21,648 INFO L225 Difference]: With dead ends: 219 [2024-12-02 06:36:21,648 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 06:36:21,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:36:21,654 INFO L435 NwaCegarLoop]: 156 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, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:36:21,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:36:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 06:36:21,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 06:36:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:36:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-12-02 06:36:21,693 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-12-02 06:36:21,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:21,694 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-12-02 06:36:21,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-12-02 06:36:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:36:21,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:21,698 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:36:21,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 06:36:21,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:21,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:36:21,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:21,900 INFO L85 PathProgramCache]: Analyzing trace with hash -594105477, now seen corresponding path program 1 times [2024-12-02 06:36:21,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:36:21,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791322793] [2024-12-02 06:36:21,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:21,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:36:21,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:36:21,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 06:36:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:22,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:36:22,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:36:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-02 06:36:22,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:36:22,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:36:22,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791322793] [2024-12-02 06:36:22,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791322793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:22,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:22,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:36:22,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152999031] [2024-12-02 06:36:22,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:22,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:36:22,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:36:22,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:36:22,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:36:22,911 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:36:23,017 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-12-02 06:36:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:36:23,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-12-02 06:36:23,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:36:23,019 INFO L225 Difference]: With dead ends: 217 [2024-12-02 06:36:23,020 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 06:36:23,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:36:23,021 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:36:23,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:36:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 06:36:23,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 06:36:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:36:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-12-02 06:36:23,035 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-12-02 06:36:23,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:23,037 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-12-02 06:36:23,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-12-02 06:36:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:36:23,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:23,040 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:36:23,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 06:36:23,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:23,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:36:23,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1993059079, now seen corresponding path program 1 times [2024-12-02 06:36:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:36:23,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091449111] [2024-12-02 06:36:23,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:23,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:23,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:36:23,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:36:23,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 06:36:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:24,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:36:24,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:36:24,365 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 97 treesize of output 43 [2024-12-02 06:36:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-02 06:36:24,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:36:24,456 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:36:24,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091449111] [2024-12-02 06:36:24,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091449111] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:24,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:24,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:36:24,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772103369] [2024-12-02 06:36:24,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:24,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:36:24,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:36:24,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:36:24,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:36:24,459 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:25,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:31,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:34,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:38,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:38,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:36:38,775 INFO L93 Difference]: Finished difference Result 219 states and 313 transitions. [2024-12-02 06:36:38,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:36:38,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-12-02 06:36:38,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:36:38,777 INFO L225 Difference]: With dead ends: 219 [2024-12-02 06:36:38,777 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 06:36:38,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:36:38,778 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 142 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:36:38,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 417 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2024-12-02 06:36:38,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 06:36:38,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-12-02 06:36:38,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:36:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 155 transitions. [2024-12-02 06:36:38,789 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 155 transitions. Word has length 152 [2024-12-02 06:36:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:38,790 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 155 transitions. [2024-12-02 06:36:38,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 155 transitions. [2024-12-02 06:36:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:36:38,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:38,792 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:36:38,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 06:36:38,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:38,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:36:38,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:38,994 INFO L85 PathProgramCache]: Analyzing trace with hash -134550591, now seen corresponding path program 1 times [2024-12-02 06:36:38,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:36:38,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192132170] [2024-12-02 06:36:38,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:38,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:38,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:36:38,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:36:39,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 06:36:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:39,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:36:39,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:36:40,093 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 95 treesize of output 41 [2024-12-02 06:36:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-12-02 06:36:40,157 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:36:40,157 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:36:40,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192132170] [2024-12-02 06:36:40,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192132170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:40,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:40,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:36:40,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041574721] [2024-12-02 06:36:40,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:40,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:36:40,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:36:40,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:36:40,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:36:40,159 INFO L87 Difference]: Start difference. First operand 109 states and 155 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:41,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:46,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:50,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:54,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:36:54,711 INFO L93 Difference]: Finished difference Result 216 states and 308 transitions. [2024-12-02 06:36:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:36:54,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-12-02 06:36:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:36:54,714 INFO L225 Difference]: With dead ends: 216 [2024-12-02 06:36:54,714 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 06:36:54,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:36:54,715 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 132 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:36:54,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 412 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2024-12-02 06:36:54,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 06:36:54,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-12-02 06:36:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 88 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:36:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2024-12-02 06:36:54,725 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 154 [2024-12-02 06:36:54,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:54,726 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2024-12-02 06:36:54,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2024-12-02 06:36:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 06:36:54,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:54,728 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:36:54,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 06:36:54,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:54,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:36:54,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1769300805, now seen corresponding path program 1 times [2024-12-02 06:36:54,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:36:54,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334745341] [2024-12-02 06:36:54,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:54,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:36:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:36:54,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:36:54,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 06:36:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:55,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:36:55,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:36:56,057 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 95 treesize of output 41 [2024-12-02 06:36:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-12-02 06:36:56,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:36:56,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:36:56,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334745341] [2024-12-02 06:36:56,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334745341] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:56,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:56,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:36:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765067084] [2024-12-02 06:36:56,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:56,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:36:56,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:36:56,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:36:56,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:36:56,128 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:36:57,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:37:03,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:37:06,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:37:10,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:37:11,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:11,040 INFO L93 Difference]: Finished difference Result 216 states and 306 transitions. [2024-12-02 06:37:11,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:37:11,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 06:37:11,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:11,042 INFO L225 Difference]: With dead ends: 216 [2024-12-02 06:37:11,042 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 06:37:11,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:11,043 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 124 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:11,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 410 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2024-12-02 06:37:11,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 06:37:11,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-12-02 06:37:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3068181818181819) internal successors, (115), 88 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:37:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 153 transitions. [2024-12-02 06:37:11,052 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 153 transitions. Word has length 156 [2024-12-02 06:37:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:11,053 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 153 transitions. [2024-12-02 06:37:11,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:37:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2024-12-02 06:37:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:37:11,054 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:11,054 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:37:11,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 06:37:11,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:37:11,255 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:37:11,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:11,255 INFO L85 PathProgramCache]: Analyzing trace with hash -282607871, now seen corresponding path program 1 times [2024-12-02 06:37:11,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:37:11,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855680098] [2024-12-02 06:37:11,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:11,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:37:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:37:11,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:37:11,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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 06:37:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:12,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:37:12,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:37:12,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:37:12,538 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 06:37:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-02 06:37:12,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:37:12,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:37:12,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855680098] [2024-12-02 06:37:12,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855680098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:12,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:12,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:37:12,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779162653] [2024-12-02 06:37:12,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:12,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:12,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:37:12,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:12,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:12,605 INFO L87 Difference]: Start difference. First operand 109 states and 153 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:37:18,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:37:22,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:37:22,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:22,407 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2024-12-02 06:37:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:37:22,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-12-02 06:37:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:22,409 INFO L225 Difference]: With dead ends: 216 [2024-12-02 06:37:22,409 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 06:37:22,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:22,410 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 108 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:22,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 405 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-12-02 06:37:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 06:37:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-12-02 06:37:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 88 states have internal predecessors, (114), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 06:37:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2024-12-02 06:37:22,416 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 158 [2024-12-02 06:37:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:22,416 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2024-12-02 06:37:22,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 06:37:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2024-12-02 06:37:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 06:37:22,417 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:22,418 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:37:22,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/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)] Ended with exit code 0 [2024-12-02 06:37:22,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:37:22,618 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:37:22,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1363032519, now seen corresponding path program 1 times [2024-12-02 06:37:22,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:37:22,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901543339] [2024-12-02 06:37:22,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:22,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:37:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:37:22,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:37:22,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d85d71-1550-4b8a-afeb-cbd917bdcb63/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process