./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX --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 8d4109ae03a3c02a4964ae7b090d66bce817f303884ee31660fd67b3b1f99877 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:59:15,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:59:15,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:59:15,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:59:15,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:59:15,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:59:15,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:59:15,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:59:15,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:59:15,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:59:15,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:59:15,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:59:15,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:59:15,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:59:15,327 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:59:15,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:59:15,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:59:15,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:59:15,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:59:15,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:59:15,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:59:15,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:59:15,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:59:15,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:59:15,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:59:15,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:59:15,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:59:15,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:59:15,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:59:15,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:59:15,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:59:15,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:59:15,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:59:15,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:59:15,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:59:15,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:59:15,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:59:15,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:59:15,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:59:15,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:59:15,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:59:15,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:59:15,343 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4109ae03a3c02a4964ae7b090d66bce817f303884ee31660fd67b3b1f99877 [2024-11-08 16:59:15,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:59:15,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:59:15,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:59:15,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:59:15,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:59:15,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i Unable to find full path for "g++" [2024-11-08 16:59:17,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:59:18,066 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:59:18,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i [2024-11-08 16:59:18,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data/15544453c/2e285a1794dd40b3a8df859adc79c496/FLAG072c9906e [2024-11-08 16:59:18,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data/15544453c/2e285a1794dd40b3a8df859adc79c496 [2024-11-08 16:59:18,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:59:18,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:59:18,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:59:18,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:59:18,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:59:18,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36880d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18, skipping insertion in model container [2024-11-08 16:59:18,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:59:18,352 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_ce834170-07b8-4773-b423-2a52fa19e57c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i[919,932] [2024-11-08 16:59:18,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:59:18,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:59:18,460 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_ce834170-07b8-4773-b423-2a52fa19e57c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i[919,932] [2024-11-08 16:59:18,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:59:18,556 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:59:18,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18 WrapperNode [2024-11-08 16:59:18,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:59:18,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:59:18,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:59:18,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:59:18,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,627 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2024-11-08 16:59:18,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:59:18,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:59:18,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:59:18,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:59:18,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,667 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:59:18,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:59:18,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:59:18,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:59:18,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:59:18,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (1/1) ... [2024-11-08 16:59:18,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:59:18,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:18,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:59:18,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:59:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:59:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:59:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:59:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:59:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:59:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:59:18,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:59:18,941 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:59:19,505 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 16:59:19,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:59:19,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:59:19,519 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:59:19,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:19 BoogieIcfgContainer [2024-11-08 16:59:19,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:59:19,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:59:19,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:59:19,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:59:19,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:59:18" (1/3) ... [2024-11-08 16:59:19,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a964eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:59:19, skipping insertion in model container [2024-11-08 16:59:19,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:18" (2/3) ... [2024-11-08 16:59:19,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a964eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:59:19, skipping insertion in model container [2024-11-08 16:59:19,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:19" (3/3) ... [2024-11-08 16:59:19,532 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i [2024-11-08 16:59:19,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:59:19,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:59:19,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:59:19,644 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;@3de7d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:59:19,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:59:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:59:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 16:59:19,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:19,673 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:19,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:19,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:19,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1878794214, now seen corresponding path program 1 times [2024-11-08 16:59:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:19,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531183383] [2024-11-08 16:59:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 16:59:20,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:20,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531183383] [2024-11-08 16:59:20,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531183383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:20,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:20,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:59:20,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358610316] [2024-11-08 16:59:20,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:20,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:59:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:20,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:59:20,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:59:20,569 INFO L87 Difference]: Start difference. First operand has 84 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:20,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:20,691 INFO L93 Difference]: Finished difference Result 210 states and 358 transitions. [2024-11-08 16:59:20,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:59:20,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-08 16:59:20,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:20,707 INFO L225 Difference]: With dead ends: 210 [2024-11-08 16:59:20,707 INFO L226 Difference]: Without dead ends: 129 [2024-11-08 16:59:20,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:59:20,716 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 62 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:20,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 283 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:59:20,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-08 16:59:20,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2024-11-08 16:59:20,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 97 states have (on average 1.4123711340206186) internal successors, (137), 98 states have internal predecessors, (137), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:59:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 189 transitions. [2024-11-08 16:59:20,781 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 189 transitions. Word has length 141 [2024-11-08 16:59:20,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:20,782 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 189 transitions. [2024-11-08 16:59:20,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 189 transitions. [2024-11-08 16:59:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 16:59:20,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:20,787 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:20,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:59:20,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:20,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:20,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2097648932, now seen corresponding path program 1 times [2024-11-08 16:59:20,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:20,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760924276] [2024-11-08 16:59:20,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:20,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 16:59:21,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:21,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760924276] [2024-11-08 16:59:21,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760924276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:21,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:21,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:59:21,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456029627] [2024-11-08 16:59:21,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:21,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:59:21,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:59:21,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:59:21,993 INFO L87 Difference]: Start difference. First operand 126 states and 189 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:22,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:22,620 INFO L93 Difference]: Finished difference Result 361 states and 546 transitions. [2024-11-08 16:59:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:59:22,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-08 16:59:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:22,627 INFO L225 Difference]: With dead ends: 361 [2024-11-08 16:59:22,627 INFO L226 Difference]: Without dead ends: 238 [2024-11-08 16:59:22,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:59:22,631 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 101 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:22,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 455 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:59:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-08 16:59:22,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 166. [2024-11-08 16:59:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 116 states have (on average 1.353448275862069) internal successors, (157), 117 states have internal predecessors, (157), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 16:59:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 249 transitions. [2024-11-08 16:59:22,668 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 249 transitions. Word has length 141 [2024-11-08 16:59:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:22,668 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 249 transitions. [2024-11-08 16:59:22,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 249 transitions. [2024-11-08 16:59:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 16:59:22,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:22,676 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:22,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:59:22,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:22,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1182715514, now seen corresponding path program 1 times [2024-11-08 16:59:22,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:22,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021131545] [2024-11-08 16:59:22,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:22,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:22,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 16:59:23,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:23,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021131545] [2024-11-08 16:59:23,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021131545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:23,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:23,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:59:23,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500896707] [2024-11-08 16:59:23,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:23,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:59:23,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:23,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:59:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:23,018 INFO L87 Difference]: Start difference. First operand 166 states and 249 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:23,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:23,307 INFO L93 Difference]: Finished difference Result 476 states and 716 transitions. [2024-11-08 16:59:23,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:59:23,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 142 [2024-11-08 16:59:23,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:23,315 INFO L225 Difference]: With dead ends: 476 [2024-11-08 16:59:23,315 INFO L226 Difference]: Without dead ends: 353 [2024-11-08 16:59:23,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:59:23,321 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 111 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:23,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 278 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:59:23,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-08 16:59:23,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 325. [2024-11-08 16:59:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 247 states have (on average 1.408906882591093) internal successors, (348), 249 states have internal predecessors, (348), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 16:59:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 492 transitions. [2024-11-08 16:59:23,414 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 492 transitions. Word has length 142 [2024-11-08 16:59:23,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:23,416 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 492 transitions. [2024-11-08 16:59:23,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 492 transitions. [2024-11-08 16:59:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 16:59:23,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:23,422 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:23,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:59:23,426 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:23,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1546475569, now seen corresponding path program 1 times [2024-11-08 16:59:23,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:23,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432930233] [2024-11-08 16:59:23,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:23,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 16:59:23,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:23,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432930233] [2024-11-08 16:59:23,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432930233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:23,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:23,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:59:23,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842910445] [2024-11-08 16:59:23,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:23,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:59:23,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:23,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:59:23,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:59:23,896 INFO L87 Difference]: Start difference. First operand 325 states and 492 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:24,329 INFO L93 Difference]: Finished difference Result 883 states and 1340 transitions. [2024-11-08 16:59:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:59:24,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 143 [2024-11-08 16:59:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:24,336 INFO L225 Difference]: With dead ends: 883 [2024-11-08 16:59:24,337 INFO L226 Difference]: Without dead ends: 601 [2024-11-08 16:59:24,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:59:24,339 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 204 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:24,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 345 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:59:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-08 16:59:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 379. [2024-11-08 16:59:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 301 states have (on average 1.4252491694352158) internal successors, (429), 303 states have internal predecessors, (429), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 16:59:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 573 transitions. [2024-11-08 16:59:24,399 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 573 transitions. Word has length 143 [2024-11-08 16:59:24,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:24,399 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 573 transitions. [2024-11-08 16:59:24,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 573 transitions. [2024-11-08 16:59:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 16:59:24,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:24,402 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:24,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:59:24,403 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:24,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1969177395, now seen corresponding path program 1 times [2024-11-08 16:59:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:24,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903745444] [2024-11-08 16:59:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 16:59:24,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903745444] [2024-11-08 16:59:24,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903745444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:24,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:24,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:59:24,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756887869] [2024-11-08 16:59:24,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:24,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:59:24,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:24,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:59:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:59:24,940 INFO L87 Difference]: Start difference. First operand 379 states and 573 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:25,412 INFO L93 Difference]: Finished difference Result 1114 states and 1668 transitions. [2024-11-08 16:59:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:59:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 143 [2024-11-08 16:59:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:25,419 INFO L225 Difference]: With dead ends: 1114 [2024-11-08 16:59:25,419 INFO L226 Difference]: Without dead ends: 832 [2024-11-08 16:59:25,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:59:25,421 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 389 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:25,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 386 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:59:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-08 16:59:25,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 436. [2024-11-08 16:59:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 358 states have (on average 1.4301675977653632) internal successors, (512), 360 states have internal predecessors, (512), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 16:59:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 656 transitions. [2024-11-08 16:59:25,476 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 656 transitions. Word has length 143 [2024-11-08 16:59:25,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:25,476 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 656 transitions. [2024-11-08 16:59:25,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 656 transitions. [2024-11-08 16:59:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 16:59:25,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:25,479 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:25,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:59:25,479 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:25,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1645731531, now seen corresponding path program 1 times [2024-11-08 16:59:25,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:25,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463444026] [2024-11-08 16:59:25,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:25,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 87 proven. 66 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-11-08 16:59:26,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463444026] [2024-11-08 16:59:26,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463444026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258535457] [2024-11-08 16:59:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:26,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:26,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:26,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:26,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:59:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:27,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:59:27,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 334 proven. 24 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-08 16:59:27,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:59:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 84 proven. 27 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-08 16:59:28,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258535457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:59:28,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:59:28,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-11-08 16:59:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221951917] [2024-11-08 16:59:28,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:59:28,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 16:59:28,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:28,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 16:59:28,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:59:28,638 INFO L87 Difference]: Start difference. First operand 436 states and 656 transitions. Second operand has 24 states, 22 states have (on average 5.090909090909091) internal successors, (112), 22 states have internal predecessors, (112), 9 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (38), 8 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-08 16:59:31,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:31,893 INFO L93 Difference]: Finished difference Result 947 states and 1359 transitions. [2024-11-08 16:59:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-08 16:59:31,894 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 5.090909090909091) internal successors, (112), 22 states have internal predecessors, (112), 9 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (38), 8 states have call predecessors, (38), 9 states have call successors, (38) Word has length 143 [2024-11-08 16:59:31,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:31,899 INFO L225 Difference]: With dead ends: 947 [2024-11-08 16:59:31,900 INFO L226 Difference]: Without dead ends: 661 [2024-11-08 16:59:31,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1329, Invalid=3783, Unknown=0, NotChecked=0, Total=5112 [2024-11-08 16:59:31,906 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 882 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:31,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 651 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:59:31,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-08 16:59:31,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 590. [2024-11-08 16:59:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 476 states have (on average 1.338235294117647) internal successors, (637), 480 states have internal predecessors, (637), 88 states have call successors, (88), 25 states have call predecessors, (88), 25 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 16:59:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 813 transitions. [2024-11-08 16:59:31,991 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 813 transitions. Word has length 143 [2024-11-08 16:59:31,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:31,991 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 813 transitions. [2024-11-08 16:59:31,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 5.090909090909091) internal successors, (112), 22 states have internal predecessors, (112), 9 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (38), 8 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-08 16:59:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 813 transitions. [2024-11-08 16:59:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:59:31,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:31,996 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:32,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:59:32,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:32,198 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:32,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:32,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1184813711, now seen corresponding path program 1 times [2024-11-08 16:59:32,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:32,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170671399] [2024-11-08 16:59:32,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:32,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:59:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:59:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:59:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 16:59:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:59:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:59:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:59:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:59:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:59:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:59:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:59:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:59:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:59:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:59:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:59:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:59:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-08 16:59:32,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170671399] [2024-11-08 16:59:32,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170671399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:59:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259894469] [2024-11-08 16:59:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:32,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:32,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:32,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:32,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:59:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:33,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 16:59:33,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 417 proven. 78 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-08 16:59:33,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:59:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-08 16:59:34,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259894469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:59:34,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:59:34,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 20 [2024-11-08 16:59:34,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510563469] [2024-11-08 16:59:34,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:59:34,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 16:59:34,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:34,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 16:59:34,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:59:34,580 INFO L87 Difference]: Start difference. First operand 590 states and 813 transitions. Second operand has 20 states, 20 states have (on average 6.75) internal successors, (135), 20 states have internal predecessors, (135), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-08 16:59:36,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:36,268 INFO L93 Difference]: Finished difference Result 1562 states and 2131 transitions. [2024-11-08 16:59:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-08 16:59:36,269 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.75) internal successors, (135), 20 states have internal predecessors, (135), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) Word has length 145 [2024-11-08 16:59:36,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:36,274 INFO L225 Difference]: With dead ends: 1562 [2024-11-08 16:59:36,274 INFO L226 Difference]: Without dead ends: 1142 [2024-11-08 16:59:36,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=580, Invalid=1772, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 16:59:36,280 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 827 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:36,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 405 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:59:36,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-11-08 16:59:36,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 668. [2024-11-08 16:59:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 543 states have (on average 1.274401473296501) internal successors, (692), 547 states have internal predecessors, (692), 88 states have call successors, (88), 36 states have call predecessors, (88), 36 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 16:59:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 868 transitions. [2024-11-08 16:59:36,370 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 868 transitions. Word has length 145 [2024-11-08 16:59:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:36,371 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 868 transitions. [2024-11-08 16:59:36,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.75) internal successors, (135), 20 states have internal predecessors, (135), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-08 16:59:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 868 transitions. [2024-11-08 16:59:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 16:59:36,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:36,374 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:36,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:59:36,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:36,579 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:36,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:36,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1496857527, now seen corresponding path program 1 times [2024-11-08 16:59:36,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:36,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146746366] [2024-11-08 16:59:36,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:36,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 16:59:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678517711] [2024-11-08 16:59:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:36,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:59:36,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:36,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:59:36,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:59:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:59:36,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:59:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:59:37,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:59:37,060 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:59:37,062 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:59:37,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:59:37,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 16:59:37,268 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:37,388 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:59:37,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:59:37 BoogieIcfgContainer [2024-11-08 16:59:37,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:59:37,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:59:37,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:59:37,401 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:59:37,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:19" (3/4) ... [2024-11-08 16:59:37,408 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:59:37,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:59:37,410 INFO L158 Benchmark]: Toolchain (without parser) took 19298.84ms. Allocated memory was 159.4MB in the beginning and 362.8MB in the end (delta: 203.4MB). Free memory was 116.2MB in the beginning and 183.3MB in the end (delta: -67.2MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-11-08 16:59:37,410 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:59:37,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.09ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 98.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:59:37,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.59ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 93.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:59:37,411 INFO L158 Benchmark]: Boogie Preprocessor took 97.98ms. Allocated memory is still 159.4MB. Free memory was 93.6MB in the beginning and 86.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:59:37,412 INFO L158 Benchmark]: RCFGBuilder took 793.66ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 86.8MB in the beginning and 169.9MB in the end (delta: -83.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-08 16:59:37,412 INFO L158 Benchmark]: TraceAbstraction took 17876.97ms. Allocated memory was 209.7MB in the beginning and 362.8MB in the end (delta: 153.1MB). Free memory was 169.9MB in the beginning and 183.3MB in the end (delta: -13.4MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2024-11-08 16:59:37,412 INFO L158 Benchmark]: Witness Printer took 8.68ms. Allocated memory is still 362.8MB. Free memory is still 183.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:59:37,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.09ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 98.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.59ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 93.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.98ms. Allocated memory is still 159.4MB. Free memory was 93.6MB in the beginning and 86.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 793.66ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 86.8MB in the beginning and 169.9MB in the end (delta: -83.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17876.97ms. Allocated memory was 209.7MB in the beginning and 362.8MB in the end (delta: 153.1MB). Free memory was 169.9MB in the beginning and 183.3MB in the end (delta: -13.4MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 8.68ms. Allocated memory is still 362.8MB. Free memory is still 183.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someUnaryDOUBLEoperation at line 121. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed char var_1_4 = 16; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 64; [L30] signed char var_1_12 = -10; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = -25; [L33] double var_1_15 = 64.875; [L34] double var_1_17 = 1.625; [L35] double var_1_18 = 32.2; [L36] double var_1_19 = 8.6; [L37] double var_1_20 = 10.5; [L38] signed short int var_1_21 = -64; [L39] unsigned char var_1_22 = 25; [L40] unsigned char var_1_23 = 0; [L41] unsigned long int var_1_24 = 5; [L42] double var_1_25 = 0.75; [L43] unsigned char var_1_27 = 4; [L44] signed short int var_1_35 = -64; [L45] signed char var_1_36 = -10; [L46] signed long int var_1_39 = 256; [L47] double var_1_40 = 31.6; [L48] signed short int var_1_42 = 5; [L49] signed short int last_1_var_1_21 = -64; [L50] unsigned char last_1_var_1_22 = 25; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L161] last_1_var_1_21 = var_1_21 [L162] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L172] RET updateLastVariables() [L173] CALL updateVariables() [L127] var_1_4 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L128] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L130] var_1_5 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L131] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L132] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L133] var_1_6 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L134] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L135] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L136] var_1_9 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L137] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L138] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L139] var_1_10 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L140] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L142] var_1_11 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L143] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L145] var_1_13 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L146] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L148] var_1_14 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L149] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L151] var_1_17 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L152] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L153] var_1_18 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L154] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L155] var_1_19 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L156] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L157] var_1_20 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L158] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L173] RET updateVariables() [L174] CALL step() [L54] signed long int stepLocal_1 = ~ last_1_var_1_21; [L55] unsigned char stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L56] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L56] COND TRUE stepLocal_1 != (last_1_var_1_22 >> var_1_4) [L57] COND TRUE stepLocal_0 || var_1_6 [L58] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L65] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L68] unsigned short int stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_3=0, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L69] COND FALSE !(var_1_4 > stepLocal_3) [L72] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L74] COND TRUE ((- var_1_11) < 8) || var_1_9 [L75] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L77] var_1_23 = (var_1_11 + var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L78] COND TRUE var_1_18 <= var_1_20 [L79] var_1_24 = ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L85] COND FALSE !(var_1_6 || var_1_9) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L90] signed short int stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_2=-64, var_1_10=-128, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L91] COND TRUE var_1_10 > stepLocal_2 [L92] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L94] var_1_25 = var_1_19 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L95] COND FALSE !((var_1_20 >= var_1_18) && (var_1_11 >= var_1_22)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L102] COND FALSE !(var_1_20 > var_1_18) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L107] COND TRUE var_1_11 >= (var_1_11 % ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L108] COND FALSE !(var_1_11 < var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L114] COND FALSE !(var_1_1 > var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L117] COND FALSE !(var_1_21 < ((((var_1_4) < (-64)) ? (var_1_4) : (-64)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L120] EXPR var_1_11 | var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L120] COND TRUE (var_1_11 | var_1_4) < (8 + var_1_11) [L121] var_1_40 = (((((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))) < 0 ) ? -((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))) : ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=4, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L124] var_1_42 = var_1_22 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=4, var_1_42=127, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L174] RET step() [L175] CALL, EXPR property() [L165] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=4, var_1_42=127, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L165-L166] return (((((((((~ last_1_var_1_21) != (last_1_var_1_22 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) last_1_var_1_22))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_21) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_24 % var_1_10) > var_1_22) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_1)) : 1)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=4, var_1_42=127, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-128, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=2, var_1_17=2, var_1_18=0, var_1_19=3, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=3, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=4, var_1_42=127, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2578 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2576 mSDsluCounter, 2803 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2022 mSDsCounter, 761 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2328 IncrementalHoareTripleChecker+Invalid, 3089 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 761 mSolverCounterUnsat, 781 mSDtfsCounter, 2328 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 996 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1964 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=668occurred in iteration=7, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1266 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1578 NumberOfCodeBlocks, 1578 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 6915 SizeOfPredicates, 12 NumberOfNonLiveVariables, 696 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 8057/8360 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:59:37,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX --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 8d4109ae03a3c02a4964ae7b090d66bce817f303884ee31660fd67b3b1f99877 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:59:40,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:59:40,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:59:40,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:59:40,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:59:40,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:59:40,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:59:40,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:59:40,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:59:40,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:59:40,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:59:40,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:59:40,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:59:40,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:59:40,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:59:40,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:59:40,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:59:40,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:59:40,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:59:40,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:59:40,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:59:40,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:59:40,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:59:40,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:59:40,290 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:59:40,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:59:40,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:59:40,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:59:40,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:59:40,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:59:40,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:59:40,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:59:40,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:59:40,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:59:40,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:59:40,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:59:40,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:59:40,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:59:40,297 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:59:40,297 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:59:40,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:59:40,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:59:40,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:59:40,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:59:40,299 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4109ae03a3c02a4964ae7b090d66bce817f303884ee31660fd67b3b1f99877 [2024-11-08 16:59:40,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:59:40,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:59:40,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:59:40,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:59:40,787 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:59:40,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i Unable to find full path for "g++" [2024-11-08 16:59:43,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:59:43,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:59:43,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i [2024-11-08 16:59:43,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data/bec6f4c8d/63d112e499064b7bba263fd91d1f2652/FLAGf78c16567 [2024-11-08 16:59:43,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/data/bec6f4c8d/63d112e499064b7bba263fd91d1f2652 [2024-11-08 16:59:43,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:59:43,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:59:43,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:59:43,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:59:43,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:59:43,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:59:43" (1/1) ... [2024-11-08 16:59:43,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3692a65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:43, skipping insertion in model container [2024-11-08 16:59:43,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:59:43" (1/1) ... [2024-11-08 16:59:43,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:59:44,052 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_ce834170-07b8-4773-b423-2a52fa19e57c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i[919,932] [2024-11-08 16:59:44,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:59:44,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:59:44,239 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_ce834170-07b8-4773-b423-2a52fa19e57c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i[919,932] [2024-11-08 16:59:44,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:59:44,370 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:59:44,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44 WrapperNode [2024-11-08 16:59:44,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:59:44,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:59:44,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:59:44,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:59:44,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,466 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2024-11-08 16:59:44,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:59:44,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:59:44,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:59:44,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:59:44,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,566 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:59:44,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:59:44,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:59:44,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:59:44,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:59:44,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (1/1) ... [2024-11-08 16:59:44,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:59:44,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:59:44,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:59:44,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:59:44,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:59:44,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:59:49,942 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 16:59:49,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:59:49,964 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:59:49,964 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:59:49,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:49 BoogieIcfgContainer [2024-11-08 16:59:49,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:59:49,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:59:49,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:59:49,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:59:49,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:59:43" (1/3) ... [2024-11-08 16:59:49,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f69020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:59:49, skipping insertion in model container [2024-11-08 16:59:49,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:59:44" (2/3) ... [2024-11-08 16:59:49,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f69020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:59:49, skipping insertion in model container [2024-11-08 16:59:49,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:59:49" (3/3) ... [2024-11-08 16:59:49,982 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-13.i [2024-11-08 16:59:50,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:59:50,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:59:50,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:59:50,080 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;@3fb78e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:59:50,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:59:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:59:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:59:50,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:50,099 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:50,100 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:50,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:50,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1256687108, now seen corresponding path program 1 times [2024-11-08 16:59:50,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:59:50,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370411375] [2024-11-08 16:59:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:50,123 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 [2024-11-08 16:59:50,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:59:50,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:59:50,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:59:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:50,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:59:50,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-08 16:59:50,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:59:50,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:59:50,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370411375] [2024-11-08 16:59:50,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370411375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:50,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:50,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:59:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022487817] [2024-11-08 16:59:50,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:50,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:59:50,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:59:50,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:59:50,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:59:50,732 INFO L87 Difference]: Start difference. First operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 16:59:50,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:50,767 INFO L93 Difference]: Finished difference Result 145 states and 250 transitions. [2024-11-08 16:59:50,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:59:50,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2024-11-08 16:59:50,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:50,780 INFO L225 Difference]: With dead ends: 145 [2024-11-08 16:59:50,780 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 16:59:50,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:59:50,792 INFO L432 NwaCegarLoop]: 108 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, 108 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 [2024-11-08 16:59:50,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:59:50,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 16:59:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-08 16:59:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 16:59:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 108 transitions. [2024-11-08 16:59:50,869 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 108 transitions. Word has length 138 [2024-11-08 16:59:50,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:50,871 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 108 transitions. [2024-11-08 16:59:50,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 16:59:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2024-11-08 16:59:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 16:59:50,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:50,880 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:50,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:59:51,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:59:51,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:51,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:51,082 INFO L85 PathProgramCache]: Analyzing trace with hash 158902186, now seen corresponding path program 1 times [2024-11-08 16:59:51,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:59:51,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424971187] [2024-11-08 16:59:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:51,084 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 [2024-11-08 16:59:51,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:59:51,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:59:51,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:59:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:51,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:59:51,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:59:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 16:59:53,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:59:53,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:59:53,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424971187] [2024-11-08 16:59:53,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424971187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:53,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:53,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:59:53,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685112499] [2024-11-08 16:59:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:53,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:59:53,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:59:53,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:59:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:59:53,922 INFO L87 Difference]: Start difference. First operand 72 states and 108 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 16:59:57,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:01,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:01,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:01,673 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2024-11-08 17:00:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:00:01,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2024-11-08 17:00:01,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:01,701 INFO L225 Difference]: With dead ends: 211 [2024-11-08 17:00:01,701 INFO L226 Difference]: Without dead ends: 142 [2024-11-08 17:00:01,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:00:01,704 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 75 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:01,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 357 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-11-08 17:00:01,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-08 17:00:01,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 111. [2024-11-08 17:00:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:00:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 166 transitions. [2024-11-08 17:00:01,748 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 166 transitions. Word has length 139 [2024-11-08 17:00:01,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:01,749 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 166 transitions. [2024-11-08 17:00:01,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:00:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2024-11-08 17:00:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:00:01,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:01,753 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:01,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:01,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:01,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:00:01,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash -246514375, now seen corresponding path program 1 times [2024-11-08 17:00:01,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:00:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663932755] [2024-11-08 17:00:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:01,960 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 [2024-11-08 17:00:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:00:01,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:00:01,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:02,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:00:02,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:00:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 19 proven. 57 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 17:00:03,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:00:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-08 17:00:04,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:00:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663932755] [2024-11-08 17:00:04,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663932755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:00:04,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:00:04,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-08 17:00:04,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964917381] [2024-11-08 17:00:04,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:00:04,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:00:04,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:00:04,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:00:04,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:00:04,560 INFO L87 Difference]: Start difference. First operand 111 states and 166 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 17:00:08,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:11,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:15,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:16,443 INFO L93 Difference]: Finished difference Result 234 states and 340 transitions. [2024-11-08 17:00:16,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:00:16,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 140 [2024-11-08 17:00:16,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:16,447 INFO L225 Difference]: With dead ends: 234 [2024-11-08 17:00:16,448 INFO L226 Difference]: Without dead ends: 165 [2024-11-08 17:00:16,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:00:16,450 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 169 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:16,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 203 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2024-11-08 17:00:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-08 17:00:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 139. [2024-11-08 17:00:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 94 states have (on average 1.3191489361702127) internal successors, (124), 94 states have internal predecessors, (124), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:00:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 204 transitions. [2024-11-08 17:00:16,492 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 204 transitions. Word has length 140 [2024-11-08 17:00:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:16,493 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 204 transitions. [2024-11-08 17:00:16,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 17:00:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 204 transitions. [2024-11-08 17:00:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:00:16,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:16,497 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:16,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:16,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:16,698 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:00:16,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:16,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1528492987, now seen corresponding path program 1 times [2024-11-08 17:00:16,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:00:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128605245] [2024-11-08 17:00:16,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:16,700 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 [2024-11-08 17:00:16,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:00:16,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:00:16,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:17,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:00:17,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:00:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 19 proven. 57 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 17:00:19,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:00:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:00:21,323 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:00:21,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128605245] [2024-11-08 17:00:21,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128605245] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:00:21,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:00:21,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-08 17:00:21,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034204752] [2024-11-08 17:00:21,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:00:21,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:00:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:00:21,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:00:21,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:00:21,332 INFO L87 Difference]: Start difference. First operand 139 states and 204 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:00:23,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:25,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:25,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:25,355 INFO L93 Difference]: Finished difference Result 334 states and 493 transitions. [2024-11-08 17:00:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:00:25,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140 [2024-11-08 17:00:25,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:25,360 INFO L225 Difference]: With dead ends: 334 [2024-11-08 17:00:25,360 INFO L226 Difference]: Without dead ends: 241 [2024-11-08 17:00:25,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:00:25,363 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 143 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:25,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 187 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-08 17:00:25,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-08 17:00:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 230. [2024-11-08 17:00:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 163 states have (on average 1.361963190184049) internal successors, (222), 163 states have internal predecessors, (222), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 17:00:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 342 transitions. [2024-11-08 17:00:25,415 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 342 transitions. Word has length 140 [2024-11-08 17:00:25,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:25,416 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 342 transitions. [2024-11-08 17:00:25,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:00:25,417 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 342 transitions. [2024-11-08 17:00:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:00:25,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:25,421 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:25,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:25,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:25,622 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:00:25,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:25,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1797223709, now seen corresponding path program 1 times [2024-11-08 17:00:25,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:00:25,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188586612] [2024-11-08 17:00:25,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:25,624 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 [2024-11-08 17:00:25,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:00:25,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:00:25,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:26,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:00:26,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:00:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 40 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 17:00:28,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:00:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:00:28,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:00:28,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188586612] [2024-11-08 17:00:28,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188586612] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:00:28,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:00:28,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-08 17:00:28,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616622133] [2024-11-08 17:00:28,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:00:28,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:00:28,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:00:28,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:00:28,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:00:28,536 INFO L87 Difference]: Start difference. First operand 230 states and 342 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:00:31,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:32,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:37,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:37,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:37,391 INFO L93 Difference]: Finished difference Result 434 states and 644 transitions. [2024-11-08 17:00:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:00:37,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-08 17:00:37,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:37,396 INFO L225 Difference]: With dead ends: 434 [2024-11-08 17:00:37,396 INFO L226 Difference]: Without dead ends: 250 [2024-11-08 17:00:37,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:00:37,399 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 44 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:37,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 245 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-08 17:00:37,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-08 17:00:37,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 230. [2024-11-08 17:00:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 163 states have (on average 1.3496932515337423) internal successors, (220), 163 states have internal predecessors, (220), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 17:00:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 340 transitions. [2024-11-08 17:00:37,448 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 340 transitions. Word has length 141 [2024-11-08 17:00:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:37,449 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 340 transitions. [2024-11-08 17:00:37,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:00:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 340 transitions. [2024-11-08 17:00:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:00:37,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:37,452 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:37,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:37,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:37,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:00:37,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:37,654 INFO L85 PathProgramCache]: Analyzing trace with hash 979575259, now seen corresponding path program 1 times [2024-11-08 17:00:37,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:00:37,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094719562] [2024-11-08 17:00:37,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:37,655 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 [2024-11-08 17:00:37,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:00:37,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:00:37,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce834170-07b8-4773-b423-2a52fa19e57c/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:00:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:38,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 17:00:38,095 INFO L278 TraceCheckSpWp]: Computing forward predicates...