./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:28:11,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:28:11,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:28:11,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:28:11,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:28:11,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:28:11,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:28:11,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:28:11,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:28:11,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:28:11,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:28:11,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:28:11,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:28:11,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:28:11,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:28:11,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:28:11,328 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:28:11,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:28:11,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:28:11,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:28:11,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:28:11,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:28:11,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:28:11,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:28:11,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:28:11,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:28:11,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:28:11,330 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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 -> 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 [2024-12-02 15:28:11,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:28:11,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:28:11,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:28:11,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:28:11,573 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:28:11,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-12-02 15:28:14,326 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/6c3b619d0/0d0837d10c58494d98733c7456989925/FLAGbc453f3b0 [2024-12-02 15:28:14,578 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:28:14,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-12-02 15:28:14,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/6c3b619d0/0d0837d10c58494d98733c7456989925/FLAGbc453f3b0 [2024-12-02 15:28:14,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/6c3b619d0/0d0837d10c58494d98733c7456989925 [2024-12-02 15:28:14,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:28:14,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:28:14,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:28:14,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:28:14,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:28:14,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:14,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf370ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14, skipping insertion in model container [2024-12-02 15:28:14,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:14,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:28:14,801 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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-12-02 15:28:14,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:28:14,875 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:28:14,886 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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-12-02 15:28:14,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:28:14,944 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:28:14,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14 WrapperNode [2024-12-02 15:28:14,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:28:14,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:28:14,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:28:14,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:28:14,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:14,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,004 INFO L138 Inliner]: procedures = 30, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-12-02 15:28:15,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:28:15,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:28:15,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:28:15,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:28:15,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,021 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,029 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 15:28:15,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,044 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:28:15,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:28:15,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:28:15,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:28:15,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (1/1) ... [2024-12-02 15:28:15,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:28:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:28:15,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:28:15,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:28:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:28:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:28:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 15:28:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:28:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:28:15,256 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:28:15,259 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:28:15,793 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-12-02 15:28:15,793 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:28:15,803 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:28:15,803 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:28:15,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:15 BoogieIcfgContainer [2024-12-02 15:28:15,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:28:15,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:28:15,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:28:15,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:28:15,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:28:14" (1/3) ... [2024-12-02 15:28:15,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643851e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:15, skipping insertion in model container [2024-12-02 15:28:15,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:14" (2/3) ... [2024-12-02 15:28:15,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643851e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:15, skipping insertion in model container [2024-12-02 15:28:15,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:15" (3/3) ... [2024-12-02 15:28:15,813 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-33.i [2024-12-02 15:28:15,825 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:28:15,826 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-33.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:28:15,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:28:15,900 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;@25e81b4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:28:15,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:28:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:15,913 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:15,914 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:15,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:15,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:15,919 INFO L85 PathProgramCache]: Analyzing trace with hash 507444683, now seen corresponding path program 1 times [2024-12-02 15:28:15,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:15,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353191379] [2024-12-02 15:28:15,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:15,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 15:28:16,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:16,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353191379] [2024-12-02 15:28:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353191379] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:28:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387321143] [2024-12-02 15:28:16,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:16,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:16,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:28:16,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:28:16,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:28:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:16,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:28:16,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 15:28:16,476 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:28:16,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387321143] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:16,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:28:16,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:28:16,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580441995] [2024-12-02 15:28:16,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:16,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:28:16,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:16,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:28:16,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:28:16,499 INFO L87 Difference]: Start difference. First operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:16,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:16,522 INFO L93 Difference]: Finished difference Result 207 states and 319 transitions. [2024-12-02 15:28:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:28:16,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-12-02 15:28:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:16,528 INFO L225 Difference]: With dead ends: 207 [2024-12-02 15:28:16,528 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 15:28:16,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 15:28:16,534 INFO L435 NwaCegarLoop]: 151 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, 151 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 15:28:16,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 15:28:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-12-02 15:28:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-12-02 15:28:16,567 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 98 [2024-12-02 15:28:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:16,567 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-12-02 15:28:16,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-12-02 15:28:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:16,571 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:16,571 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:16,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:28:16,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:28:16,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:16,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:16,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1582582707, now seen corresponding path program 1 times [2024-12-02 15:28:16,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:16,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721187825] [2024-12-02 15:28:16,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:17,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:17,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721187825] [2024-12-02 15:28:17,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721187825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:17,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:17,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:17,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106753151] [2024-12-02 15:28:17,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:17,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:17,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:17,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:17,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:17,072 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:17,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:17,125 INFO L93 Difference]: Finished difference Result 206 states and 303 transitions. [2024-12-02 15:28:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:17,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-12-02 15:28:17,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:17,128 INFO L225 Difference]: With dead ends: 206 [2024-12-02 15:28:17,128 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 15:28:17,129 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 15:28:17,130 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:17,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 15:28:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-12-02 15:28:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 94 states have (on average 1.4361702127659575) internal successors, (135), 94 states have internal predecessors, (135), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-12-02 15:28:17,142 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 98 [2024-12-02 15:28:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:17,144 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-12-02 15:28:17,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-12-02 15:28:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:17,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:17,147 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:17,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:28:17,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:17,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:17,148 INFO L85 PathProgramCache]: Analyzing trace with hash 192424655, now seen corresponding path program 1 times [2024-12-02 15:28:17,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:17,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685825882] [2024-12-02 15:28:17,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:17,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:17,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:17,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685825882] [2024-12-02 15:28:17,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685825882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:17,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:17,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:17,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899461776] [2024-12-02 15:28:17,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:17,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:17,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:17,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:17,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:17,338 INFO L87 Difference]: Start difference. First operand 105 states and 153 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:17,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:17,376 INFO L93 Difference]: Finished difference Result 210 states and 307 transitions. [2024-12-02 15:28:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:17,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-12-02 15:28:17,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:17,378 INFO L225 Difference]: With dead ends: 210 [2024-12-02 15:28:17,378 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 15:28:17,378 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 15:28:17,379 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:17,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 15:28:17,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-12-02 15:28:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-12-02 15:28:17,388 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 98 [2024-12-02 15:28:17,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:17,389 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-12-02 15:28:17,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-12-02 15:28:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:17,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:17,391 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:17,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:28:17,391 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:17,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash 194271697, now seen corresponding path program 1 times [2024-12-02 15:28:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:17,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375594270] [2024-12-02 15:28:17,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:17,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:17,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375594270] [2024-12-02 15:28:17,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375594270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:17,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:17,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:17,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666527804] [2024-12-02 15:28:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:17,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:17,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:17,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:17,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:17,712 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:17,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:17,933 INFO L93 Difference]: Finished difference Result 268 states and 389 transitions. [2024-12-02 15:28:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:17,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-12-02 15:28:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:17,935 INFO L225 Difference]: With dead ends: 268 [2024-12-02 15:28:17,935 INFO L226 Difference]: Without dead ends: 164 [2024-12-02 15:28:17,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:17,937 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:17,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 512 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:28:17,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-12-02 15:28:17,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 124. [2024-12-02 15:28:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 113 states have (on average 1.4424778761061947) internal successors, (163), 113 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 181 transitions. [2024-12-02 15:28:17,949 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 181 transitions. Word has length 98 [2024-12-02 15:28:17,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:17,950 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 181 transitions. [2024-12-02 15:28:17,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2024-12-02 15:28:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:17,952 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:17,952 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:17,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:28:17,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:17,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:17,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1085591981, now seen corresponding path program 1 times [2024-12-02 15:28:17,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:17,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356323953] [2024-12-02 15:28:17,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:17,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:18,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:18,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356323953] [2024-12-02 15:28:18,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356323953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:18,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:18,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:28:18,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176932294] [2024-12-02 15:28:18,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:18,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:28:18,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:18,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:28:18,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:18,898 INFO L87 Difference]: Start difference. First operand 124 states and 181 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:19,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:19,423 INFO L93 Difference]: Finished difference Result 287 states and 417 transitions. [2024-12-02 15:28:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:19,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-12-02 15:28:19,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:19,425 INFO L225 Difference]: With dead ends: 287 [2024-12-02 15:28:19,426 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 15:28:19,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:28:19,427 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 398 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:19,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 540 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 15:28:19,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 126. [2024-12-02 15:28:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 115 states have (on average 1.434782608695652) internal successors, (165), 115 states have internal predecessors, (165), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 183 transitions. [2024-12-02 15:28:19,439 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 183 transitions. Word has length 98 [2024-12-02 15:28:19,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:19,440 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 183 transitions. [2024-12-02 15:28:19,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2024-12-02 15:28:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:19,441 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:19,441 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:19,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:28:19,442 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:19,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:19,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1611166637, now seen corresponding path program 1 times [2024-12-02 15:28:19,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:19,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359259576] [2024-12-02 15:28:19,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:19,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:20,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359259576] [2024-12-02 15:28:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359259576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:20,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:20,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:28:20,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554017884] [2024-12-02 15:28:20,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:20,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:28:20,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:20,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:28:20,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:28:20,526 INFO L87 Difference]: Start difference. First operand 126 states and 183 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:21,122 INFO L93 Difference]: Finished difference Result 298 states and 432 transitions. [2024-12-02 15:28:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:21,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-12-02 15:28:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:21,124 INFO L225 Difference]: With dead ends: 298 [2024-12-02 15:28:21,124 INFO L226 Difference]: Without dead ends: 175 [2024-12-02 15:28:21,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:28:21,125 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 348 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:21,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 418 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:28:21,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-12-02 15:28:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 132. [2024-12-02 15:28:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 121 states have (on average 1.43801652892562) internal successors, (174), 121 states have internal predecessors, (174), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:28:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-12-02 15:28:21,139 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 98 [2024-12-02 15:28:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:21,140 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-12-02 15:28:21,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-12-02 15:28:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:21,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:21,141 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:21,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:28:21,142 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:21,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1403936981, now seen corresponding path program 1 times [2024-12-02 15:28:21,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:21,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034015973] [2024-12-02 15:28:21,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 15:28:22,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:22,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034015973] [2024-12-02 15:28:22,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034015973] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:28:22,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127479368] [2024-12-02 15:28:22,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:22,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:28:22,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:28:22,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:28:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:22,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 15:28:22,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:22,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-12-02 15:28:22,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-12-02 15:28:23,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-12-02 15:28:23,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-12-02 15:28:23,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-12-02 15:28:23,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-12-02 15:28:23,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:23,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-12-02 15:28:24,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:24,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 15:28:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 15:28:24,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:28:24,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127479368] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:28:24,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:28:24,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2024-12-02 15:28:24,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106467239] [2024-12-02 15:28:24,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:28:24,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 15:28:24,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:24,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 15:28:24,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:28:24,246 INFO L87 Difference]: Start difference. First operand 132 states and 192 transitions. Second operand has 18 states, 16 states have (on average 5.8125) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-12-02 15:28:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:25,435 INFO L93 Difference]: Finished difference Result 400 states and 579 transitions. [2024-12-02 15:28:25,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:28:25,436 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.8125) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) Word has length 98 [2024-12-02 15:28:25,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:25,437 INFO L225 Difference]: With dead ends: 400 [2024-12-02 15:28:25,437 INFO L226 Difference]: Without dead ends: 271 [2024-12-02 15:28:25,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=205, Invalid=787, Unknown=0, NotChecked=0, Total=992 [2024-12-02 15:28:25,439 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 240 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:25,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1259 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:28:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-12-02 15:28:25,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 177. [2024-12-02 15:28:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 155 states have (on average 1.4) internal successors, (217), 155 states have internal predecessors, (217), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:28:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 253 transitions. [2024-12-02 15:28:25,455 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 253 transitions. Word has length 98 [2024-12-02 15:28:25,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:25,456 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 253 transitions. [2024-12-02 15:28:25,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.8125) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-12-02 15:28:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2024-12-02 15:28:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 15:28:25,457 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:25,457 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:25,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:28:25,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:25,658 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:25,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:25,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1504826921, now seen corresponding path program 1 times [2024-12-02 15:28:25,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:25,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172347400] [2024-12-02 15:28:25,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:25,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:27,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:27,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172347400] [2024-12-02 15:28:27,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172347400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:27,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:27,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:28:27,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102364307] [2024-12-02 15:28:27,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:27,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:28:27,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:27,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:28:27,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:28:27,738 INFO L87 Difference]: Start difference. First operand 177 states and 253 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:28,341 INFO L93 Difference]: Finished difference Result 475 states and 684 transitions. [2024-12-02 15:28:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:28:28,342 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-12-02 15:28:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:28,343 INFO L225 Difference]: With dead ends: 475 [2024-12-02 15:28:28,344 INFO L226 Difference]: Without dead ends: 346 [2024-12-02 15:28:28,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:28:28,345 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 435 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:28,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 541 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-12-02 15:28:28,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 300. [2024-12-02 15:28:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 268 states have (on average 1.414179104477612) internal successors, (379), 268 states have internal predecessors, (379), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 433 transitions. [2024-12-02 15:28:28,382 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 433 transitions. Word has length 98 [2024-12-02 15:28:28,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:28,382 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 433 transitions. [2024-12-02 15:28:28,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 433 transitions. [2024-12-02 15:28:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:28:28,384 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:28,384 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:28,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:28:28,384 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:28,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:28,385 INFO L85 PathProgramCache]: Analyzing trace with hash 181503640, now seen corresponding path program 1 times [2024-12-02 15:28:28,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:28,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294760927] [2024-12-02 15:28:28,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:28,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:28,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:28,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294760927] [2024-12-02 15:28:28,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294760927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:28,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:28,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:28:28,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303651764] [2024-12-02 15:28:28,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:28,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:28:28,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:28,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:28:28,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:28,649 INFO L87 Difference]: Start difference. First operand 300 states and 433 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:29,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:29,126 INFO L93 Difference]: Finished difference Result 656 states and 947 transitions. [2024-12-02 15:28:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:29,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-12-02 15:28:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:29,129 INFO L225 Difference]: With dead ends: 656 [2024-12-02 15:28:29,129 INFO L226 Difference]: Without dead ends: 404 [2024-12-02 15:28:29,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:29,130 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 205 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:29,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 611 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:29,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-12-02 15:28:29,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 324. [2024-12-02 15:28:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 292 states have (on average 1.4143835616438356) internal successors, (413), 292 states have internal predecessors, (413), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 467 transitions. [2024-12-02 15:28:29,165 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 467 transitions. Word has length 99 [2024-12-02 15:28:29,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:29,165 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 467 transitions. [2024-12-02 15:28:29,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 467 transitions. [2024-12-02 15:28:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 15:28:29,166 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:29,166 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:29,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:28:29,167 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:29,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:29,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1392968729, now seen corresponding path program 1 times [2024-12-02 15:28:29,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:29,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850306252] [2024-12-02 15:28:29,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:29,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:29,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850306252] [2024-12-02 15:28:29,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850306252] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:29,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:29,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:28:29,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268018212] [2024-12-02 15:28:29,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:29,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:28:29,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:29,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:28:29,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:29,421 INFO L87 Difference]: Start difference. First operand 324 states and 467 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:29,825 INFO L93 Difference]: Finished difference Result 683 states and 983 transitions. [2024-12-02 15:28:29,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:28:29,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-12-02 15:28:29,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:29,829 INFO L225 Difference]: With dead ends: 683 [2024-12-02 15:28:29,829 INFO L226 Difference]: Without dead ends: 407 [2024-12-02 15:28:29,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:28:29,830 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 193 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:29,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 645 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:28:29,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-12-02 15:28:29,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 324. [2024-12-02 15:28:29,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 292 states have (on average 1.4006849315068493) internal successors, (409), 292 states have internal predecessors, (409), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 463 transitions. [2024-12-02 15:28:29,866 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 463 transitions. Word has length 99 [2024-12-02 15:28:29,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:29,866 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 463 transitions. [2024-12-02 15:28:29,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 463 transitions. [2024-12-02 15:28:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:28:29,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:29,868 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:29,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:28:29,868 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:29,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:29,868 INFO L85 PathProgramCache]: Analyzing trace with hash -814969296, now seen corresponding path program 1 times [2024-12-02 15:28:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:29,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775562099] [2024-12-02 15:28:29,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:29,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:29,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:29,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775562099] [2024-12-02 15:28:29,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775562099] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:29,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:29,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:29,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520656225] [2024-12-02 15:28:29,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:29,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:29,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:29,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:29,966 INFO L87 Difference]: Start difference. First operand 324 states and 463 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:30,003 INFO L93 Difference]: Finished difference Result 471 states and 679 transitions. [2024-12-02 15:28:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:30,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-12-02 15:28:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:30,006 INFO L225 Difference]: With dead ends: 471 [2024-12-02 15:28:30,006 INFO L226 Difference]: Without dead ends: 330 [2024-12-02 15:28:30,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:30,007 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:30,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:30,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-12-02 15:28:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-12-02 15:28:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 298 states have (on average 1.3926174496644295) internal successors, (415), 298 states have internal predecessors, (415), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 469 transitions. [2024-12-02 15:28:30,044 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 469 transitions. Word has length 100 [2024-12-02 15:28:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:30,044 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 469 transitions. [2024-12-02 15:28:30,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 469 transitions. [2024-12-02 15:28:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:28:30,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:30,046 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:30,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:28:30,046 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:30,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:30,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1261794002, now seen corresponding path program 1 times [2024-12-02 15:28:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:30,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838307631] [2024-12-02 15:28:30,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:30,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:31,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:31,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838307631] [2024-12-02 15:28:31,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838307631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:31,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:31,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:28:31,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586096406] [2024-12-02 15:28:31,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:31,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:28:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:31,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:28:31,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:28:31,528 INFO L87 Difference]: Start difference. First operand 330 states and 469 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 15:28:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:32,067 INFO L93 Difference]: Finished difference Result 712 states and 1016 transitions. [2024-12-02 15:28:32,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:32,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-12-02 15:28:32,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:32,070 INFO L225 Difference]: With dead ends: 712 [2024-12-02 15:28:32,070 INFO L226 Difference]: Without dead ends: 430 [2024-12-02 15:28:32,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:28:32,071 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 568 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:32,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 534 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:32,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-12-02 15:28:32,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 394. [2024-12-02 15:28:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 362 states have (on average 1.3977900552486189) internal successors, (506), 362 states have internal predecessors, (506), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 560 transitions. [2024-12-02 15:28:32,105 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 560 transitions. Word has length 100 [2024-12-02 15:28:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:32,106 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 560 transitions. [2024-12-02 15:28:32,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 15:28:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 560 transitions. [2024-12-02 15:28:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:28:32,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:32,107 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:32,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:28:32,108 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:32,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash 250676752, now seen corresponding path program 1 times [2024-12-02 15:28:32,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:32,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412333468] [2024-12-02 15:28:32,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 15:28:32,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:32,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412333468] [2024-12-02 15:28:32,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412333468] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:28:32,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373847680] [2024-12-02 15:28:32,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:32,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:32,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:28:32,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:28:32,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:28:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:32,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:28:32,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:32,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:28:32,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373847680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:32,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:28:32,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 15:28:32,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293409774] [2024-12-02 15:28:32,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:32,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:32,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:32,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:32,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:32,498 INFO L87 Difference]: Start difference. First operand 394 states and 560 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:32,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:32,555 INFO L93 Difference]: Finished difference Result 745 states and 1063 transitions. [2024-12-02 15:28:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:32,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-12-02 15:28:32,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:32,558 INFO L225 Difference]: With dead ends: 745 [2024-12-02 15:28:32,558 INFO L226 Difference]: Without dead ends: 399 [2024-12-02 15:28:32,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:32,560 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:32,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:32,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-12-02 15:28:32,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-12-02 15:28:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 367 states have (on average 1.3923705722070845) internal successors, (511), 367 states have internal predecessors, (511), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 565 transitions. [2024-12-02 15:28:32,597 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 565 transitions. Word has length 100 [2024-12-02 15:28:32,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:32,598 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 565 transitions. [2024-12-02 15:28:32,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 565 transitions. [2024-12-02 15:28:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:28:32,599 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:32,599 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:32,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:28:32,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:32,800 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:32,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1461008104, now seen corresponding path program 1 times [2024-12-02 15:28:32,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:32,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254470778] [2024-12-02 15:28:32,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:32,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:33,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:33,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254470778] [2024-12-02 15:28:33,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254470778] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:33,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:33,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:28:33,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042053659] [2024-12-02 15:28:33,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:33,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:28:33,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:33,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:28:33,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:28:33,739 INFO L87 Difference]: Start difference. First operand 399 states and 565 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:33,945 INFO L93 Difference]: Finished difference Result 764 states and 1086 transitions. [2024-12-02 15:28:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:33,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2024-12-02 15:28:33,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:33,947 INFO L225 Difference]: With dead ends: 764 [2024-12-02 15:28:33,947 INFO L226 Difference]: Without dead ends: 413 [2024-12-02 15:28:33,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:33,949 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 69 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:33,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 454 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:28:33,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-12-02 15:28:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 405. [2024-12-02 15:28:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 373 states have (on average 1.3941018766756033) internal successors, (520), 373 states have internal predecessors, (520), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 574 transitions. [2024-12-02 15:28:33,986 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 574 transitions. Word has length 100 [2024-12-02 15:28:33,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:33,986 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 574 transitions. [2024-12-02 15:28:33,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 574 transitions. [2024-12-02 15:28:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 15:28:33,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:33,988 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:33,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:28:33,988 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:33,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:33,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1245183907, now seen corresponding path program 1 times [2024-12-02 15:28:33,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:33,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35763581] [2024-12-02 15:28:33,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:33,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:34,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:34,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35763581] [2024-12-02 15:28:34,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35763581] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:34,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:34,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:28:34,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570348476] [2024-12-02 15:28:34,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:34,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:28:34,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:34,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:28:34,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:34,192 INFO L87 Difference]: Start difference. First operand 405 states and 574 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:34,618 INFO L93 Difference]: Finished difference Result 833 states and 1173 transitions. [2024-12-02 15:28:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:34,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 15:28:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:34,620 INFO L225 Difference]: With dead ends: 833 [2024-12-02 15:28:34,620 INFO L226 Difference]: Without dead ends: 482 [2024-12-02 15:28:34,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:34,621 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 211 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:34,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 547 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-12-02 15:28:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 396. [2024-12-02 15:28:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 364 states have (on average 1.379120879120879) internal successors, (502), 364 states have internal predecessors, (502), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2024-12-02 15:28:34,664 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 101 [2024-12-02 15:28:34,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:34,665 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2024-12-02 15:28:34,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2024-12-02 15:28:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 15:28:34,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:34,667 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:34,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:28:34,667 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:34,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:34,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1623301555, now seen corresponding path program 1 times [2024-12-02 15:28:34,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:34,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029056459] [2024-12-02 15:28:34,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:34,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:35,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:35,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029056459] [2024-12-02 15:28:35,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029056459] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:35,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:35,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:28:35,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573962595] [2024-12-02 15:28:35,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:35,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:28:35,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:35,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:28:35,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:28:35,098 INFO L87 Difference]: Start difference. First operand 396 states and 556 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:36,099 INFO L93 Difference]: Finished difference Result 1036 states and 1443 transitions. [2024-12-02 15:28:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:28:36,100 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 15:28:36,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:36,102 INFO L225 Difference]: With dead ends: 1036 [2024-12-02 15:28:36,102 INFO L226 Difference]: Without dead ends: 694 [2024-12-02 15:28:36,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:28:36,104 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 302 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:36,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1173 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:28:36,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-12-02 15:28:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 438. [2024-12-02 15:28:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 406 states have (on average 1.3990147783251232) internal successors, (568), 406 states have internal predecessors, (568), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 622 transitions. [2024-12-02 15:28:36,149 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 622 transitions. Word has length 101 [2024-12-02 15:28:36,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:36,149 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 622 transitions. [2024-12-02 15:28:36,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 622 transitions. [2024-12-02 15:28:36,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 15:28:36,150 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:36,150 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:36,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:28:36,150 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:36,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:36,151 INFO L85 PathProgramCache]: Analyzing trace with hash 533212757, now seen corresponding path program 1 times [2024-12-02 15:28:36,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:36,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65085051] [2024-12-02 15:28:36,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:36,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:37,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:37,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65085051] [2024-12-02 15:28:37,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65085051] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:37,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:37,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:28:37,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496947715] [2024-12-02 15:28:37,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:37,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:28:37,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:37,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:28:37,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:28:37,495 INFO L87 Difference]: Start difference. First operand 438 states and 622 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:37,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:37,892 INFO L93 Difference]: Finished difference Result 826 states and 1175 transitions. [2024-12-02 15:28:37,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:37,892 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2024-12-02 15:28:37,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:37,894 INFO L225 Difference]: With dead ends: 826 [2024-12-02 15:28:37,894 INFO L226 Difference]: Without dead ends: 442 [2024-12-02 15:28:37,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:28:37,895 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 219 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:37,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 502 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:28:37,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-12-02 15:28:37,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 438. [2024-12-02 15:28:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 406 states have (on average 1.3916256157635467) internal successors, (565), 406 states have internal predecessors, (565), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 619 transitions. [2024-12-02 15:28:37,919 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 619 transitions. Word has length 102 [2024-12-02 15:28:37,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:37,919 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 619 transitions. [2024-12-02 15:28:37,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:37,919 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 619 transitions. [2024-12-02 15:28:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:28:37,920 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:37,920 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:37,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:28:37,920 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:37,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:37,921 INFO L85 PathProgramCache]: Analyzing trace with hash 127941729, now seen corresponding path program 1 times [2024-12-02 15:28:37,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:37,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558430187] [2024-12-02 15:28:37,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:38,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:38,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558430187] [2024-12-02 15:28:38,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558430187] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:38,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:38,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:28:38,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223022918] [2024-12-02 15:28:38,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:38,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:28:38,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:38,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:28:38,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:28:38,551 INFO L87 Difference]: Start difference. First operand 438 states and 619 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:39,749 INFO L93 Difference]: Finished difference Result 1095 states and 1541 transitions. [2024-12-02 15:28:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:28:39,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2024-12-02 15:28:39,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:39,752 INFO L225 Difference]: With dead ends: 1095 [2024-12-02 15:28:39,752 INFO L226 Difference]: Without dead ends: 711 [2024-12-02 15:28:39,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:28:39,753 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 701 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:39,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 976 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:28:39,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-12-02 15:28:39,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 486. [2024-12-02 15:28:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 454 states have (on average 1.4008810572687225) internal successors, (636), 454 states have internal predecessors, (636), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 690 transitions. [2024-12-02 15:28:39,796 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 690 transitions. Word has length 103 [2024-12-02 15:28:39,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:39,796 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 690 transitions. [2024-12-02 15:28:39,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 690 transitions. [2024-12-02 15:28:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:28:39,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:39,798 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:39,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:28:39,798 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:39,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:39,798 INFO L85 PathProgramCache]: Analyzing trace with hash -461456386, now seen corresponding path program 1 times [2024-12-02 15:28:39,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:39,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624054202] [2024-12-02 15:28:39,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:39,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:40,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:40,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624054202] [2024-12-02 15:28:40,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624054202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:40,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:40,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:28:40,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268938799] [2024-12-02 15:28:40,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:40,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:28:40,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:40,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:28:40,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:40,088 INFO L87 Difference]: Start difference. First operand 486 states and 690 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:40,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:40,377 INFO L93 Difference]: Finished difference Result 916 states and 1289 transitions. [2024-12-02 15:28:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:28:40,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2024-12-02 15:28:40,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:40,380 INFO L225 Difference]: With dead ends: 916 [2024-12-02 15:28:40,380 INFO L226 Difference]: Without dead ends: 651 [2024-12-02 15:28:40,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:28:40,381 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 354 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:40,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 467 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:28:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-12-02 15:28:40,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 486. [2024-12-02 15:28:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 454 states have (on average 1.3986784140969164) internal successors, (635), 454 states have internal predecessors, (635), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 689 transitions. [2024-12-02 15:28:40,425 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 689 transitions. Word has length 103 [2024-12-02 15:28:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:40,425 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 689 transitions. [2024-12-02 15:28:40,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 689 transitions. [2024-12-02 15:28:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 15:28:40,426 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:40,426 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:40,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:28:40,426 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:40,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:40,427 INFO L85 PathProgramCache]: Analyzing trace with hash 374293398, now seen corresponding path program 1 times [2024-12-02 15:28:40,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:40,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231427710] [2024-12-02 15:28:40,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 15:28:40,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:40,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231427710] [2024-12-02 15:28:40,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231427710] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:28:40,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531166680] [2024-12-02 15:28:40,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:40,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:40,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:28:40,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:28:40,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:28:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:40,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:28:40,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:40,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:28:40,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531166680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:40,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:28:40,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 15:28:40,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504238756] [2024-12-02 15:28:40,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:40,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:40,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:40,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:40,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:40,885 INFO L87 Difference]: Start difference. First operand 486 states and 689 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:40,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:40,924 INFO L93 Difference]: Finished difference Result 924 states and 1313 transitions. [2024-12-02 15:28:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:40,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-12-02 15:28:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:40,927 INFO L225 Difference]: With dead ends: 924 [2024-12-02 15:28:40,927 INFO L226 Difference]: Without dead ends: 492 [2024-12-02 15:28:40,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:40,928 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:40,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:40,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-12-02 15:28:40,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2024-12-02 15:28:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 460 states have (on average 1.3934782608695653) internal successors, (641), 460 states have internal predecessors, (641), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 695 transitions. [2024-12-02 15:28:40,971 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 695 transitions. Word has length 104 [2024-12-02 15:28:40,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:40,971 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 695 transitions. [2024-12-02 15:28:40,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 695 transitions. [2024-12-02 15:28:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 15:28:40,972 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:40,972 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:40,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:28:41,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:28:41,173 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:41,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash 214403544, now seen corresponding path program 1 times [2024-12-02 15:28:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:41,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333929331] [2024-12-02 15:28:41,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:41,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:41,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:41,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333929331] [2024-12-02 15:28:41,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333929331] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:41,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:41,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:28:41,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047343952] [2024-12-02 15:28:41,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:41,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:28:41,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:41,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:28:41,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:28:41,785 INFO L87 Difference]: Start difference. First operand 492 states and 695 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:42,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:42,320 INFO L93 Difference]: Finished difference Result 834 states and 1178 transitions. [2024-12-02 15:28:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:28:42,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-12-02 15:28:42,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:42,321 INFO L225 Difference]: With dead ends: 834 [2024-12-02 15:28:42,321 INFO L226 Difference]: Without dead ends: 396 [2024-12-02 15:28:42,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:28:42,323 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 111 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:42,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 583 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-12-02 15:28:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2024-12-02 15:28:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 358 states have (on average 1.3687150837988826) internal successors, (490), 358 states have internal predecessors, (490), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 544 transitions. [2024-12-02 15:28:42,364 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 544 transitions. Word has length 104 [2024-12-02 15:28:42,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:42,364 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 544 transitions. [2024-12-02 15:28:42,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 544 transitions. [2024-12-02 15:28:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 15:28:42,365 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:42,365 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:42,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:28:42,365 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:42,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:42,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1556306836, now seen corresponding path program 1 times [2024-12-02 15:28:42,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:42,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984915448] [2024-12-02 15:28:42,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:43,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:43,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984915448] [2024-12-02 15:28:43,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984915448] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:43,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:43,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:28:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623964004] [2024-12-02 15:28:43,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:43,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:28:43,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:43,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:28:43,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:28:43,875 INFO L87 Difference]: Start difference. First operand 390 states and 544 transitions. Second operand has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 15:28:44,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:44,622 INFO L93 Difference]: Finished difference Result 777 states and 1077 transitions. [2024-12-02 15:28:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:28:44,623 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 104 [2024-12-02 15:28:44,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:44,624 INFO L225 Difference]: With dead ends: 777 [2024-12-02 15:28:44,624 INFO L226 Difference]: Without dead ends: 435 [2024-12-02 15:28:44,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:28:44,626 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 603 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:44,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 867 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:28:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-12-02 15:28:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 387. [2024-12-02 15:28:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 355 states have (on average 1.3633802816901408) internal successors, (484), 355 states have internal predecessors, (484), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 538 transitions. [2024-12-02 15:28:44,665 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 538 transitions. Word has length 104 [2024-12-02 15:28:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:44,665 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 538 transitions. [2024-12-02 15:28:44,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 15:28:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 538 transitions. [2024-12-02 15:28:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 15:28:44,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:44,667 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:44,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:28:44,667 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:44,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:44,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1440150799, now seen corresponding path program 1 times [2024-12-02 15:28:44,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:44,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374870238] [2024-12-02 15:28:44,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:44,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:45,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:45,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374870238] [2024-12-02 15:28:45,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374870238] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:45,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:45,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:28:45,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495260309] [2024-12-02 15:28:45,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:45,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:28:45,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:45,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:28:45,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:28:45,091 INFO L87 Difference]: Start difference. First operand 387 states and 538 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:45,847 INFO L93 Difference]: Finished difference Result 657 states and 917 transitions. [2024-12-02 15:28:45,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:28:45,847 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-12-02 15:28:45,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:45,848 INFO L225 Difference]: With dead ends: 657 [2024-12-02 15:28:45,848 INFO L226 Difference]: Without dead ends: 457 [2024-12-02 15:28:45,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:28:45,849 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 172 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:45,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 972 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:28:45,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-12-02 15:28:45,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 401. [2024-12-02 15:28:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 369 states have (on average 1.3766937669376693) internal successors, (508), 369 states have internal predecessors, (508), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:28:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 562 transitions. [2024-12-02 15:28:45,875 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 562 transitions. Word has length 104 [2024-12-02 15:28:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:45,875 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 562 transitions. [2024-12-02 15:28:45,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 562 transitions. [2024-12-02 15:28:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 15:28:45,876 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:45,876 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:45,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:28:45,876 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:45,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash 160287121, now seen corresponding path program 1 times [2024-12-02 15:28:45,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:45,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653478499] [2024-12-02 15:28:45,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:47,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653478499] [2024-12-02 15:28:47,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653478499] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:47,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:28:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124530816] [2024-12-02 15:28:47,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:47,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:28:47,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:47,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:28:47,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:28:47,217 INFO L87 Difference]: Start difference. First operand 401 states and 562 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:47,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:47,460 INFO L93 Difference]: Finished difference Result 769 states and 1085 transitions. [2024-12-02 15:28:47,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:47,460 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 104 [2024-12-02 15:28:47,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:47,463 INFO L225 Difference]: With dead ends: 769 [2024-12-02 15:28:47,463 INFO L226 Difference]: Without dead ends: 558 [2024-12-02 15:28:47,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:28:47,464 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 213 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:47,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 530 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:28:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-12-02 15:28:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 545. [2024-12-02 15:28:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 503 states have (on average 1.371769383697813) internal successors, (690), 503 states have internal predecessors, (690), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 762 transitions. [2024-12-02 15:28:47,496 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 762 transitions. Word has length 104 [2024-12-02 15:28:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:47,496 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 762 transitions. [2024-12-02 15:28:47,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 762 transitions. [2024-12-02 15:28:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 15:28:47,497 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:47,497 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:47,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:28:47,497 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:47,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:47,498 INFO L85 PathProgramCache]: Analyzing trace with hash -710127411, now seen corresponding path program 1 times [2024-12-02 15:28:47,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:47,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221982540] [2024-12-02 15:28:47,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:47,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:48,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:48,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221982540] [2024-12-02 15:28:48,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221982540] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:48,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:48,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:28:48,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788087702] [2024-12-02 15:28:48,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:48,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:28:48,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:48,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:28:48,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:28:48,681 INFO L87 Difference]: Start difference. First operand 545 states and 762 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:49,752 INFO L93 Difference]: Finished difference Result 1097 states and 1528 transitions. [2024-12-02 15:28:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:28:49,752 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 104 [2024-12-02 15:28:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:49,754 INFO L225 Difference]: With dead ends: 1097 [2024-12-02 15:28:49,754 INFO L226 Difference]: Without dead ends: 606 [2024-12-02 15:28:49,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:28:49,755 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 290 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:49,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1063 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:28:49,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-12-02 15:28:49,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 547. [2024-12-02 15:28:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 505 states have (on average 1.3722772277227724) internal successors, (693), 505 states have internal predecessors, (693), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 765 transitions. [2024-12-02 15:28:49,786 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 765 transitions. Word has length 104 [2024-12-02 15:28:49,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:49,786 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 765 transitions. [2024-12-02 15:28:49,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 765 transitions. [2024-12-02 15:28:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 15:28:49,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:49,787 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:49,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:28:49,787 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:49,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:49,787 INFO L85 PathProgramCache]: Analyzing trace with hash 518930393, now seen corresponding path program 1 times [2024-12-02 15:28:49,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:49,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148982921] [2024-12-02 15:28:49,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:49,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:50,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:50,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148982921] [2024-12-02 15:28:50,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148982921] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:50,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:50,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:28:50,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731109140] [2024-12-02 15:28:50,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:50,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:28:50,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:50,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:28:50,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:28:50,513 INFO L87 Difference]: Start difference. First operand 547 states and 765 transitions. Second operand has 14 states, 14 states have (on average 4.5) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:51,596 INFO L93 Difference]: Finished difference Result 1342 states and 1860 transitions. [2024-12-02 15:28:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:28:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.5) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 105 [2024-12-02 15:28:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:51,599 INFO L225 Difference]: With dead ends: 1342 [2024-12-02 15:28:51,599 INFO L226 Difference]: Without dead ends: 849 [2024-12-02 15:28:51,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:28:51,601 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 610 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:51,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 833 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:28:51,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-12-02 15:28:51,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 554. [2024-12-02 15:28:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 512 states have (on average 1.373046875) internal successors, (703), 512 states have internal predecessors, (703), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2024-12-02 15:28:51,669 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 105 [2024-12-02 15:28:51,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:51,670 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2024-12-02 15:28:51,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.5) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2024-12-02 15:28:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 15:28:51,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:51,671 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:51,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:28:51,671 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:51,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:51,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1562954717, now seen corresponding path program 1 times [2024-12-02 15:28:51,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:51,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784415374] [2024-12-02 15:28:51,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:51,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:52,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:52,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784415374] [2024-12-02 15:28:52,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784415374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:52,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:52,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:28:52,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131704462] [2024-12-02 15:28:52,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:52,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:28:52,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:52,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:28:52,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:28:52,050 INFO L87 Difference]: Start difference. First operand 554 states and 775 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:52,591 INFO L93 Difference]: Finished difference Result 1044 states and 1460 transitions. [2024-12-02 15:28:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:28:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2024-12-02 15:28:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:52,593 INFO L225 Difference]: With dead ends: 1044 [2024-12-02 15:28:52,593 INFO L226 Difference]: Without dead ends: 680 [2024-12-02 15:28:52,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:28:52,595 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 189 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:52,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 847 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:28:52,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-12-02 15:28:52,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 571. [2024-12-02 15:28:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 529 states have (on average 1.3799621928166352) internal successors, (730), 529 states have internal predecessors, (730), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 802 transitions. [2024-12-02 15:28:52,661 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 802 transitions. Word has length 105 [2024-12-02 15:28:52,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:52,661 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 802 transitions. [2024-12-02 15:28:52,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 802 transitions. [2024-12-02 15:28:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 15:28:52,663 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:52,663 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:52,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:28:52,663 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:52,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:52,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1452148901, now seen corresponding path program 1 times [2024-12-02 15:28:52,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:52,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866096303] [2024-12-02 15:28:52,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866096303] [2024-12-02 15:28:54,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866096303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:54,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:54,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:28:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191122041] [2024-12-02 15:28:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:54,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:28:54,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:54,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:28:54,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:28:54,035 INFO L87 Difference]: Start difference. First operand 571 states and 802 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:54,634 INFO L93 Difference]: Finished difference Result 963 states and 1357 transitions. [2024-12-02 15:28:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:54,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 105 [2024-12-02 15:28:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:54,636 INFO L225 Difference]: With dead ends: 963 [2024-12-02 15:28:54,636 INFO L226 Difference]: Without dead ends: 585 [2024-12-02 15:28:54,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:28:54,637 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 224 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:54,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 548 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:28:54,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-12-02 15:28:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 574. [2024-12-02 15:28:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 532 states have (on average 1.3778195488721805) internal successors, (733), 532 states have internal predecessors, (733), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 805 transitions. [2024-12-02 15:28:54,691 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 805 transitions. Word has length 105 [2024-12-02 15:28:54,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:54,691 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 805 transitions. [2024-12-02 15:28:54,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 805 transitions. [2024-12-02 15:28:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 15:28:54,692 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:54,692 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:54,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:28:54,692 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:54,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1326025307, now seen corresponding path program 1 times [2024-12-02 15:28:54,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:54,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582558405] [2024-12-02 15:28:54,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:54,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:54,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:54,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582558405] [2024-12-02 15:28:54,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582558405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:54,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:54,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:54,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363510604] [2024-12-02 15:28:54,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:54,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:54,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:54,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:54,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:54,779 INFO L87 Difference]: Start difference. First operand 574 states and 805 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:54,826 INFO L93 Difference]: Finished difference Result 1097 states and 1543 transitions. [2024-12-02 15:28:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:54,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 106 [2024-12-02 15:28:54,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:54,828 INFO L225 Difference]: With dead ends: 1097 [2024-12-02 15:28:54,828 INFO L226 Difference]: Without dead ends: 577 [2024-12-02 15:28:54,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:54,829 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:54,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-12-02 15:28:54,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-12-02 15:28:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 535 states have (on average 1.3757009345794393) internal successors, (736), 535 states have internal predecessors, (736), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 808 transitions. [2024-12-02 15:28:54,864 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 808 transitions. Word has length 106 [2024-12-02 15:28:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:54,864 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 808 transitions. [2024-12-02 15:28:54,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:28:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 808 transitions. [2024-12-02 15:28:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 15:28:54,864 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:54,865 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:54,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:28:54,865 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:54,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:54,865 INFO L85 PathProgramCache]: Analyzing trace with hash 721618541, now seen corresponding path program 1 times [2024-12-02 15:28:54,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:54,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052403817] [2024-12-02 15:28:54,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:54,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:28:57,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:57,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052403817] [2024-12-02 15:28:57,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052403817] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:57,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:57,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:28:57,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587481010] [2024-12-02 15:28:57,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:57,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:28:57,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:57,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:28:57,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:28:57,205 INFO L87 Difference]: Start difference. First operand 577 states and 808 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:58,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:58,059 INFO L93 Difference]: Finished difference Result 586 states and 817 transitions. [2024-12-02 15:28:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:28:58,059 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 106 [2024-12-02 15:28:58,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:58,061 INFO L225 Difference]: With dead ends: 586 [2024-12-02 15:28:58,061 INFO L226 Difference]: Without dead ends: 584 [2024-12-02 15:28:58,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:28:58,062 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 452 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:58,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 764 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:28:58,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-12-02 15:28:58,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 580. [2024-12-02 15:28:58,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 538 states have (on average 1.3736059479553904) internal successors, (739), 538 states have internal predecessors, (739), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:28:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 811 transitions. [2024-12-02 15:28:58,111 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 811 transitions. Word has length 106 [2024-12-02 15:28:58,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:58,112 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 811 transitions. [2024-12-02 15:28:58,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:28:58,112 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 811 transitions. [2024-12-02 15:28:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 15:28:58,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:58,113 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:58,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:28:58,113 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:58,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:58,113 INFO L85 PathProgramCache]: Analyzing trace with hash 723465583, now seen corresponding path program 1 times [2024-12-02 15:28:58,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:58,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224514603] [2024-12-02 15:28:58,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:28:58,199 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:28:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:28:58,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:28:58,331 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:28:58,332 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:28:58,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:28:58,337 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:58,426 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:28:58,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:28:58 BoogieIcfgContainer [2024-12-02 15:28:58,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:28:58,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:28:58,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:28:58,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:28:58,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:15" (3/4) ... [2024-12-02 15:28:58,433 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:28:58,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:28:58,435 INFO L158 Benchmark]: Toolchain (without parser) took 43823.19ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 116.5MB in the beginning and 265.4MB in the end (delta: -148.9MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2024-12-02 15:28:58,435 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:28:58,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.09ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 101.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:28:58,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.70ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.2MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:28:58,435 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 94.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:28:58,436 INFO L158 Benchmark]: RCFGBuilder took 741.52ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 58.7MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 15:28:58,436 INFO L158 Benchmark]: TraceAbstraction took 42623.83ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 57.9MB in the beginning and 265.4MB in the end (delta: -207.5MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2024-12-02 15:28:58,436 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 453.0MB. Free memory was 265.4MB in the beginning and 265.4MB in the end (delta: 39.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:28:58,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.09ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 101.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.70ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.2MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 94.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 741.52ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 58.7MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 42623.83ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 57.9MB in the beginning and 265.4MB in the end (delta: -207.5MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 453.0MB. Free memory was 265.4MB in the beginning and 265.4MB in the end (delta: 39.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someUnaryDOUBLEoperation at line 43. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -10, 4, 200, 32, 256.5, -0.25, 0.30000000000000004, 49.5, -8, 0, 0.4, -256 }; [L51] signed short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L52] signed short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L53] unsigned char* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L54] unsigned char* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L55] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L56] float* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L57] float* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L58] float* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L59] signed long int* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L60] unsigned char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L61] float* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L62] signed long int* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L63] signed long int last_1_WrapperStruct00_var_1_13 = -8; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=0, last_1_WrapperStruct00_var_1_13=-8] [L117] isInitial = 1 [L118] FCALL initially() [L120] CALL updateLastVariables() [L110] EXPR WrapperStruct00.var_1_13 [L110] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L120] RET updateLastVariables() [L121] CALL updateVariables() [L93] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L95] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L96] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L100] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L101] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L102] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L103] WrapperStruct00.var_1_12 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L104] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L105] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L107] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L121] RET updateVariables() [L122] CALL step() [L67] EXPR \read(*WrapperStruct00_var_1_5_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L67] COND FALSE !((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) [L70] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L70] (*(WrapperStruct00_var_1_16_Pointer)) = (*(WrapperStruct00_var_1_7_Pointer)) [L71] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L71] unsigned char stepLocal_1 = (*(WrapperStruct00_var_1_7_Pointer)); [L72] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L72] COND TRUE ! (*(WrapperStruct00_var_1_14_Pointer)) [L73] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L73] (*(WrapperStruct00_var_1_13_Pointer)) = (*(WrapperStruct00_var_1_8_Pointer)) [L81] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L81] (*(WrapperStruct00_var_1_15_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L82] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_7_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L82] EXPR (*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L82] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L82] signed long int stepLocal_0 = ((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer)); [L83] COND FALSE !(stepLocal_0 < -1) [L86] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L86] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L86] (*(WrapperStruct00_var_1_1_Pointer)) = (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) [L88] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_16_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L88] EXPR (*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L88] EXPR (*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8, stepLocal_1=200] [L88] COND FALSE !((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR \read(*WrapperStruct00_var_1_16_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))))) [L113] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR ((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1) [L113] EXPR \read(*WrapperStruct00_var_1_5_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_16_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer)))))) [L113] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))) [L113] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L113] EXPR (! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR ((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer)))) [L113] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L113] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L113] EXPR ((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113] EXPR (((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer))))) && ((*(WrapperStruct00_var_1_16_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L113-L114] return (((((((((*(WrapperStruct00_var_1_13_Pointer)) ^ (*(WrapperStruct00_var_1_7_Pointer))) + (*(WrapperStruct00_var_1_16_Pointer))) < -1) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) 8)) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (128 - ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer))))))) && (((*(WrapperStruct00_var_1_5_Pointer)) < last_1_WrapperStruct00_var_1_13) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_8_Pointer)) + 1))) : 1)) && (((*(WrapperStruct00_var_1_7_Pointer)) < ((*(WrapperStruct00_var_1_13_Pointer)) & ((*(WrapperStruct00_var_1_7_Pointer)) | (*(WrapperStruct00_var_1_16_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))) : ((*(WrapperStruct00_var_1_10_Pointer)) + ((*(WrapperStruct00_var_1_11_Pointer)) - (*(WrapperStruct00_var_1_12_Pointer)))))))) : 1)) && ((! (*(WrapperStruct00_var_1_14_Pointer))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_7_Pointer)) > ((*(WrapperStruct00_var_1_7_Pointer)) + (*(WrapperStruct00_var_1_7_Pointer)))) ? ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_13_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_16_Pointer))))))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((float) (*(WrapperStruct00_var_1_11_Pointer))))) && ((*(WrapperStruct00_var_1_16_Pointer)) == ((signed long int) (*(WrapperStruct00_var_1_7_Pointer)))) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:10}, WrapperStruct00_var_1_11_Pointer={4:14}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:22}, WrapperStruct00_var_1_14_Pointer={4:26}, WrapperStruct00_var_1_15_Pointer={4:27}, WrapperStruct00_var_1_16_Pointer={4:31}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:5}, WrapperStruct00_var_1_9_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_13=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.5s, OverallIterations: 31, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7177 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7177 mSDsluCounter, 18941 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14942 mSDsCounter, 440 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9819 IncrementalHoareTripleChecker+Invalid, 10259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 440 mSolverCounterUnsat, 3999 mSDtfsCounter, 9819 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 877 GetRequests, 556 SyntacticMatches, 13 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=30, InterpolantAutomatonStates: 215, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 30 MinimizatonAttempts, 1809 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 3549 NumberOfCodeBlocks, 3549 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 3409 ConstructedInterpolants, 0 QuantifiedInterpolants, 30518 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1787 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 34 InterpolantComputations, 29 PerfectInterpolantSequences, 4746/4896 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 15:28:58,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:29:00,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:29:00,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:29:00,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:29:00,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:29:00,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:29:00,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:29:00,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:29:00,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:29:00,697 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:29:00,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:29:00,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:29:00,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:29:00,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:29:00,698 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:29:00,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:29:00,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:29:00,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:29:00,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:29:00,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:29:00,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:29:00,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:29:00,700 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:29:00,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:29:00,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:29:00,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:00,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:00,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:29:00,701 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:29:00,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:29:00,702 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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 -> 9fba8bcd82b4a3fe57500a406293d5d51cfc2c8d1877a7a6552e09538ec18fb3 [2024-12-02 15:29:00,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:29:00,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:29:00,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:29:01,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:29:01,001 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:29:01,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-12-02 15:29:04,027 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/e986aae1f/aee1f5337a99402aa034e0f1b602695c/FLAGf4a8c745a [2024-12-02 15:29:04,287 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:29:04,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i [2024-12-02 15:29:04,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/e986aae1f/aee1f5337a99402aa034e0f1b602695c/FLAGf4a8c745a [2024-12-02 15:29:04,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/data/e986aae1f/aee1f5337a99402aa034e0f1b602695c [2024-12-02 15:29:04,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:29:04,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:29:04,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:29:04,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:29:04,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:29:04,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340ef0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04, skipping insertion in model container [2024-12-02 15:29:04,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:29:04,769 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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-12-02 15:29:04,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:29:04,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:29:04,853 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_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-33.i[917,930] [2024-12-02 15:29:04,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:29:04,916 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:29:04,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04 WrapperNode [2024-12-02 15:29:04,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:29:04,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:29:04,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:29:04,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:29:04,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,969 INFO L138 Inliner]: procedures = 37, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2024-12-02 15:29:04,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:29:04,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:29:04,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:29:04,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:29:04,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:04,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,003 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 28 writes are split as follows [0, 28]. [2024-12-02 15:29:05,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,021 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:29:05,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:29:05,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:29:05,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:29:05,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (1/1) ... [2024-12-02 15:29:05,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:29:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:29:05,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:29:05,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:29:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 15:29:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 15:29:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:29:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:29:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 15:29:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 15:29:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:29:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:29:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:29:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:29:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 15:29:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 15:29:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 15:29:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 15:29:05,270 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:29:05,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:29:11,202 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-12-02 15:29:11,203 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:29:11,213 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:29:11,213 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:29:11,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:11 BoogieIcfgContainer [2024-12-02 15:29:11,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:29:11,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:29:11,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:29:11,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:29:11,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:04" (1/3) ... [2024-12-02 15:29:11,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49093e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:11, skipping insertion in model container [2024-12-02 15:29:11,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:04" (2/3) ... [2024-12-02 15:29:11,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49093e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:11, skipping insertion in model container [2024-12-02 15:29:11,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:11" (3/3) ... [2024-12-02 15:29:11,222 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-33.i [2024-12-02 15:29:11,236 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:29:11,237 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-33.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:29:11,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:29:11,296 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;@26aaade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:29:11,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:29:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:29:11,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:11,308 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:11,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:11,312 INFO L85 PathProgramCache]: Analyzing trace with hash -757554800, now seen corresponding path program 1 times [2024-12-02 15:29:11,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:11,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236498651] [2024-12-02 15:29:11,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:11,320 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 15:29:11,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:11,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:11,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:11,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:29:11,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 15:29:11,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:11,678 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:11,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236498651] [2024-12-02 15:29:11,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236498651] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:11,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:11,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:29:11,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078065233] [2024-12-02 15:29:11,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:11,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:29:11,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:11,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:29:11,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:29:11,699 INFO L87 Difference]: Start difference. First operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:11,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:11,722 INFO L93 Difference]: Finished difference Result 163 states and 247 transitions. [2024-12-02 15:29:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:29:11,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-12-02 15:29:11,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:11,728 INFO L225 Difference]: With dead ends: 163 [2024-12-02 15:29:11,728 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 15:29:11,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 15:29:11,733 INFO L435 NwaCegarLoop]: 115 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, 115 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 15:29:11,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:11,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 15:29:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-12-02 15:29:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-12-02 15:29:11,771 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 92 [2024-12-02 15:29:11,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:11,771 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-12-02 15:29:11,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-12-02 15:29:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:29:11,774 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:11,775 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:11,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:11,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:11,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:11,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:11,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1180114542, now seen corresponding path program 1 times [2024-12-02 15:29:11,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:11,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744762111] [2024-12-02 15:29:11,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:11,977 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 15:29:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:11,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:11,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:12,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:29:12,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 15:29:12,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:12,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:12,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744762111] [2024-12-02 15:29:12,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744762111] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:12,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:12,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:12,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529364497] [2024-12-02 15:29:12,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:12,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:12,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:12,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:12,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:12,382 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:12,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:12,447 INFO L93 Difference]: Finished difference Result 161 states and 230 transitions. [2024-12-02 15:29:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:12,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-12-02 15:29:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:12,449 INFO L225 Difference]: With dead ends: 161 [2024-12-02 15:29:12,449 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 15:29:12,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 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 15:29:12,450 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 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 15:29:12,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 15:29:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 15:29:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-12-02 15:29:12,460 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 92 [2024-12-02 15:29:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:12,461 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-12-02 15:29:12,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-12-02 15:29:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:29:12,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:12,464 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:12,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:12,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:12,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:12,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2073600880, now seen corresponding path program 1 times [2024-12-02 15:29:12,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:12,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529826586] [2024-12-02 15:29:12,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:12,666 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 15:29:12,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:12,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:12,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:13,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:29:13,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:13,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 15:29:13,117 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 37 treesize of output 25 [2024-12-02 15:29:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:29:13,159 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:13,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:13,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529826586] [2024-12-02 15:29:13,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529826586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:13,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:13,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:13,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233922498] [2024-12-02 15:29:13,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:13,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:13,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:13,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:13,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:13,161 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:29:15,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:16,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:18,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:20,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:22,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:25,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:26,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:26,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:26,999 INFO L93 Difference]: Finished difference Result 199 states and 281 transitions. [2024-12-02 15:29:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:27,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-12-02 15:29:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:27,002 INFO L225 Difference]: With dead ends: 199 [2024-12-02 15:29:27,003 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 15:29:27,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:27,004 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 44 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:27,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 336 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2024-12-02 15:29:27,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 15:29:27,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 89. [2024-12-02 15:29:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 125 transitions. [2024-12-02 15:29:27,015 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 125 transitions. Word has length 92 [2024-12-02 15:29:27,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:27,016 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 125 transitions. [2024-12-02 15:29:27,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:29:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-12-02 15:29:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:29:27,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:27,018 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:27,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:27,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:27,219 INFO L85 PathProgramCache]: Analyzing trace with hash 941502738, now seen corresponding path program 1 times [2024-12-02 15:29:27,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:27,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256345229] [2024-12-02 15:29:27,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:27,220 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 15:29:27,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:27,222 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:27,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:29:27,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:29:27,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:27,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:27,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256345229] [2024-12-02 15:29:27,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256345229] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:27,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:27,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:29:27,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719523359] [2024-12-02 15:29:27,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:27,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:27,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:27,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:27,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:27,582 INFO L87 Difference]: Start difference. First operand 89 states and 125 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:29:27,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:27,688 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-12-02 15:29:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:29:27,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-12-02 15:29:27,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:27,690 INFO L225 Difference]: With dead ends: 182 [2024-12-02 15:29:27,690 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 15:29:27,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:27,692 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:27,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 519 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 15:29:27,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-12-02 15:29:27,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2024-12-02 15:29:27,702 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 92 [2024-12-02 15:29:27,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:27,702 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2024-12-02 15:29:27,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:29:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2024-12-02 15:29:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:29:27,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:27,704 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:27,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:27,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:27,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1578457196, now seen corresponding path program 1 times [2024-12-02 15:29:27,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:27,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199533413] [2024-12-02 15:29:27,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:27,906 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 15:29:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:27,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:27,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:28,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:29:28,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:29:28,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:28,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:28,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199533413] [2024-12-02 15:29:28,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199533413] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:28,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:28,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:29:28,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303888178] [2024-12-02 15:29:28,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:28,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:29:28,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:28,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:29:28,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:28,310 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:29:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:28,435 INFO L93 Difference]: Finished difference Result 190 states and 263 transitions. [2024-12-02 15:29:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-12-02 15:29:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:28,438 INFO L225 Difference]: With dead ends: 190 [2024-12-02 15:29:28,438 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 15:29:28,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:28,439 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:28,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 616 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:28,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 15:29:28,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-12-02 15:29:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:28,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2024-12-02 15:29:28,449 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 92 [2024-12-02 15:29:28,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:28,450 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-12-02 15:29:28,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:29:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2024-12-02 15:29:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 15:29:28,452 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:28,452 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:28,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:28,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:28,652 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:28,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:28,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1576610154, now seen corresponding path program 1 times [2024-12-02 15:29:28,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:28,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612353197] [2024-12-02 15:29:28,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:28,653 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 15:29:28,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:28,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:28,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:28,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:29:28,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:29,134 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 15:29:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 15:29:29,183 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:29,183 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:29,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612353197] [2024-12-02 15:29:29,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612353197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:29,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:29,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:29,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128206463] [2024-12-02 15:29:29,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:29,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:29,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:29,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:29,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:29,185 INFO L87 Difference]: Start difference. First operand 97 states and 133 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:31,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:33,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:35,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:36,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:36,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:36,711 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2024-12-02 15:29:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:36,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-12-02 15:29:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:36,713 INFO L225 Difference]: With dead ends: 192 [2024-12-02 15:29:36,713 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 15:29:36,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:29:36,714 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 89 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:36,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 329 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-12-02 15:29:36,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 15:29:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-12-02 15:29:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.3255813953488371) internal successors, (114), 86 states have internal predecessors, (114), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions. [2024-12-02 15:29:36,724 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 92 [2024-12-02 15:29:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:36,724 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 132 transitions. [2024-12-02 15:29:36,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2024-12-02 15:29:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 15:29:36,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:36,726 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:36,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:36,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:36,927 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:36,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash 549285136, now seen corresponding path program 1 times [2024-12-02 15:29:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902254901] [2024-12-02 15:29:36,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:36,927 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 15:29:36,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:36,929 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:36,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 15:29:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:37,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:29:37,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:37,448 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 15:29:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 15:29:37,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:37,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:37,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902254901] [2024-12-02 15:29:37,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902254901] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:37,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:37,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:37,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011648449] [2024-12-02 15:29:37,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:37,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:29:37,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:37,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:29:37,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:29:37,496 INFO L87 Difference]: Start difference. First operand 97 states and 132 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:40,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:41,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:44,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:44,272 INFO L93 Difference]: Finished difference Result 191 states and 261 transitions. [2024-12-02 15:29:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:29:44,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2024-12-02 15:29:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:44,274 INFO L225 Difference]: With dead ends: 191 [2024-12-02 15:29:44,274 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 15:29:44,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:29:44,274 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:44,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 325 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-12-02 15:29:44,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 15:29:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-12-02 15:29:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 84 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-12-02 15:29:44,281 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 94 [2024-12-02 15:29:44,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:44,281 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-12-02 15:29:44,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:29:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-12-02 15:29:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:29:44,283 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:44,283 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:44,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 15:29:44,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:44,484 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:44,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:44,484 INFO L85 PathProgramCache]: Analyzing trace with hash -32472104, now seen corresponding path program 1 times [2024-12-02 15:29:44,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:44,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561695611] [2024-12-02 15:29:44,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:44,485 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 15:29:44,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:44,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:44,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 (9)] Waiting until timeout for monitored process [2024-12-02 15:29:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:44,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:29:44,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:45,031 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 94 treesize of output 40 [2024-12-02 15:29:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 15:29:45,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:45,403 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 58 treesize of output 22 [2024-12-02 15:29:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 15:29:45,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:45,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561695611] [2024-12-02 15:29:45,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561695611] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:29:45,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:29:45,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 15:29:45,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113852122] [2024-12-02 15:29:45,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:29:45,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:29:45,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:45,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:29:45,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:29:45,447 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-12-02 15:29:49,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:51,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:52,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:54,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:54,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:54,757 INFO L93 Difference]: Finished difference Result 200 states and 270 transitions. [2024-12-02 15:29:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:29:54,758 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 96 [2024-12-02 15:29:54,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:54,759 INFO L225 Difference]: With dead ends: 200 [2024-12-02 15:29:54,759 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 15:29:54,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:29:54,766 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 83 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:54,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 534 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-12-02 15:29:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 15:29:54,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-12-02 15:29:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:29:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions. [2024-12-02 15:29:54,771 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 96 [2024-12-02 15:29:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:54,772 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions. [2024-12-02 15:29:54,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-12-02 15:29:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-12-02 15:29:54,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 15:29:54,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:54,773 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:54,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 (9)] Ended with exit code 0 [2024-12-02 15:29:54,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:54,974 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:54,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:54,974 INFO L85 PathProgramCache]: Analyzing trace with hash 320616278, now seen corresponding path program 1 times [2024-12-02 15:29:54,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:54,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836279373] [2024-12-02 15:29:54,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:54,974 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 15:29:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:54,976 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/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 15:29:54,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 15:29:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:55,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 15:29:55,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 15:29:55,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2024-12-02 15:29:55,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-12-02 15:29:56,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-12-02 15:29:57,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-12-02 15:29:57,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-12-02 15:29:58,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-12-02 15:29:58,524 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:58,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 41 [2024-12-02 15:30:03,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:30:03,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 19 [2024-12-02 15:30:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 15:30:03,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:30:12,167 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:30:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836279373] [2024-12-02 15:30:12,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836279373] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:30:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [72276296] [2024-12-02 15:30:12,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:30:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:30:12,169 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:30:12,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd41ed5-510e-4f22-ab5d-3635189d4b7c/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-02 15:30:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:13,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:30:13,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:30:16,009 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-12-02 15:30:16,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2024-12-02 15:30:16,303 INFO L349 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2024-12-02 15:30:16,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 60 [2024-12-02 15:30:17,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:30:17,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 202 [2024-12-02 15:30:17,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-12-02 15:30:17,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2024-12-02 15:30:18,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-12-02 15:30:18,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2024-12-02 15:30:19,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2024-12-02 15:30:19,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2024-12-02 15:30:19,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2024-12-02 15:30:20,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:30:20,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 369 treesize of output 541