./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu --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 1ecee7f2108a17f11e960ee96ea6cb69a4c42551d60bb88393a480360c059293 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:55,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:55,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:35:55,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:55,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:55,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:55,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:55,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:55,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:55,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:55,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:55,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:55,823 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:55,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:55,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:55,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:55,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:55,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:55,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:55,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:55,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:55,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:55,830 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:55,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:55,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:55,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:55,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:55,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:55,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:55,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:55,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:55,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:55,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:55,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:55,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:55,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:55,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:55,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:55,838 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:55,839 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_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecee7f2108a17f11e960ee96ea6cb69a4c42551d60bb88393a480360c059293 [2023-11-19 07:35:56,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:56,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:56,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:56,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:56,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:56,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i [2023-11-19 07:35:59,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:59,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:59,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i [2023-11-19 07:35:59,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data/c47bbf93d/e77845e29c184ec6810c8254a65e723c/FLAGdaf875df8 [2023-11-19 07:35:59,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data/c47bbf93d/e77845e29c184ec6810c8254a65e723c [2023-11-19 07:35:59,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:59,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:59,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:59,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:59,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:59,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:59" (1/1) ... [2023-11-19 07:35:59,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2aef0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:59, skipping insertion in model container [2023-11-19 07:35:59,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:59" (1/1) ... [2023-11-19 07:35:59,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:00,071 WARN L240 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_49d080c6-ad20-4688-9865-5913d55d29f4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i[913,926] [2023-11-19 07:36:00,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:00,167 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:00,178 WARN L240 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_49d080c6-ad20-4688-9865-5913d55d29f4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i[913,926] [2023-11-19 07:36:00,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:00,230 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:00,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00 WrapperNode [2023-11-19 07:36:00,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:00,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:00,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:00,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:00,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,322 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-19 07:36:00,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:00,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:00,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:00,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:00,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:00,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:00,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:00,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:00,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (1/1) ... [2023-11-19 07:36:00,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:00,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:00,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:00,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:36:00,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:36:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:00,624 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:00,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:01,221 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:01,232 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:01,232 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:01,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:01 BoogieIcfgContainer [2023-11-19 07:36:01,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:01,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:01,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:01,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:01,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:59" (1/3) ... [2023-11-19 07:36:01,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319b8acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:01, skipping insertion in model container [2023-11-19 07:36:01,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:00" (2/3) ... [2023-11-19 07:36:01,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319b8acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:01, skipping insertion in model container [2023-11-19 07:36:01,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:01" (3/3) ... [2023-11-19 07:36:01,247 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-46.i [2023-11-19 07:36:01,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:01,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:01,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:01,332 INFO L357 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, mHoare=true, 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;@5ffea1cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:01,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 07:36:01,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:01,358 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:01,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:01,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash -738245479, now seen corresponding path program 1 times [2023-11-19 07:36:01,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:01,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650510615] [2023-11-19 07:36:01,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650510615] [2023-11-19 07:36:01,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:36:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042705807] [2023-11-19 07:36:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:01,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:01,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:36:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:36:01,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-19 07:36:01,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:36:01,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042705807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:01,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:01,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:01,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743524717] [2023-11-19 07:36:01,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:01,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:36:01,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:02,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:36:02,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:02,017 INFO L87 Difference]: Start difference. First operand has 72 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:36:02,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:02,051 INFO L93 Difference]: Finished difference Result 137 states and 240 transitions. [2023-11-19 07:36:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:36:02,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2023-11-19 07:36:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:02,062 INFO L225 Difference]: With dead ends: 137 [2023-11-19 07:36:02,063 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 07:36:02,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:02,071 INFO L413 NwaCegarLoop]: 103 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, 103 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 [2023-11-19 07:36:02,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:36:02,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 07:36:02,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-19 07:36:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 103 transitions. [2023-11-19 07:36:02,123 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 103 transitions. Word has length 141 [2023-11-19 07:36:02,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:02,124 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 103 transitions. [2023-11-19 07:36:02,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:36:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2023-11-19 07:36:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 07:36:02,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:02,128 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:02,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:36:02,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:02,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:02,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:02,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1043845225, now seen corresponding path program 1 times [2023-11-19 07:36:02,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:02,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584461137] [2023-11-19 07:36:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:02,404 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:02,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069619417] [2023-11-19 07:36:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:02,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:02,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:02,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:02,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:36:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:02,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 07:36:02,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 516 proven. 198 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 07:36:06,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 07:36:10,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:10,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584461137] [2023-11-19 07:36:10,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:10,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069619417] [2023-11-19 07:36:10,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069619417] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:36:10,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:36:10,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [23] total 29 [2023-11-19 07:36:10,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639040149] [2023-11-19 07:36:10,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:10,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:36:10,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:10,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:36:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2023-11-19 07:36:10,430 INFO L87 Difference]: Start difference. First operand 68 states and 103 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 07:36:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:13,648 INFO L93 Difference]: Finished difference Result 252 states and 363 transitions. [2023-11-19 07:36:13,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:36:13,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2023-11-19 07:36:13,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:13,671 INFO L225 Difference]: With dead ends: 252 [2023-11-19 07:36:13,671 INFO L226 Difference]: Without dead ends: 187 [2023-11-19 07:36:13,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=255, Invalid=1077, Unknown=0, NotChecked=0, Total=1332 [2023-11-19 07:36:13,675 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 267 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:13,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 440 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 07:36:13,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-19 07:36:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 82. [2023-11-19 07:36:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 122 transitions. [2023-11-19 07:36:13,725 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 122 transitions. Word has length 142 [2023-11-19 07:36:13,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:13,727 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 122 transitions. [2023-11-19 07:36:13,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 07:36:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2023-11-19 07:36:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 07:36:13,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:13,736 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:13,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:13,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:13,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:13,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:13,951 INFO L85 PathProgramCache]: Analyzing trace with hash -785679787, now seen corresponding path program 1 times [2023-11-19 07:36:13,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:13,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497085889] [2023-11-19 07:36:13,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:14,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:14,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079591810] [2023-11-19 07:36:14,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:14,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:14,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:14,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:14,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:36:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:14,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:36:14,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 320 proven. 96 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-19 07:36:15,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:15,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497085889] [2023-11-19 07:36:15,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079591810] [2023-11-19 07:36:15,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079591810] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:36:15,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:36:15,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-19 07:36:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877217083] [2023-11-19 07:36:15,554 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:15,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:36:15,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:15,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:36:15,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:36:15,561 INFO L87 Difference]: Start difference. First operand 82 states and 122 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 07:36:16,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:16,658 INFO L93 Difference]: Finished difference Result 243 states and 346 transitions. [2023-11-19 07:36:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-19 07:36:16,659 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 142 [2023-11-19 07:36:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:16,662 INFO L225 Difference]: With dead ends: 243 [2023-11-19 07:36:16,662 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 07:36:16,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2023-11-19 07:36:16,665 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 141 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:16,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 323 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 07:36:16,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 07:36:16,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 83. [2023-11-19 07:36:16,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 56 states have internal predecessors, (72), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 116 transitions. [2023-11-19 07:36:16,713 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 116 transitions. Word has length 142 [2023-11-19 07:36:16,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:16,714 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 116 transitions. [2023-11-19 07:36:16,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 07:36:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2023-11-19 07:36:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 07:36:16,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:16,722 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:16,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 07:36:16,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:16,930 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:16,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:16,930 INFO L85 PathProgramCache]: Analyzing trace with hash -897522486, now seen corresponding path program 1 times [2023-11-19 07:36:16,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:16,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141980412] [2023-11-19 07:36:16,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:16,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:16,965 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:16,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257242686] [2023-11-19 07:36:16,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:16,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:16,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:16,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:16,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:36:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:17,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 07:36:17,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 351 proven. 186 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2023-11-19 07:36:21,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 07:36:25,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:25,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141980412] [2023-11-19 07:36:25,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:36:25,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257242686] [2023-11-19 07:36:25,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257242686] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:36:25,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:36:25,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2023-11-19 07:36:25,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213403067] [2023-11-19 07:36:25,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:25,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:36:25,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:25,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:36:25,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:36:25,762 INFO L87 Difference]: Start difference. First operand 83 states and 116 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 07:36:27,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:27,517 INFO L93 Difference]: Finished difference Result 256 states and 358 transitions. [2023-11-19 07:36:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:36:27,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2023-11-19 07:36:27,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:27,520 INFO L225 Difference]: With dead ends: 256 [2023-11-19 07:36:27,520 INFO L226 Difference]: Without dead ends: 176 [2023-11-19 07:36:27,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2023-11-19 07:36:27,523 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 250 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:27,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 559 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 07:36:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-19 07:36:27,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 93. [2023-11-19 07:36:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 66 states have internal predecessors, (87), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2023-11-19 07:36:27,557 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 143 [2023-11-19 07:36:27,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:27,558 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2023-11-19 07:36:27,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 07:36:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2023-11-19 07:36:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 07:36:27,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:27,561 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:27,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:27,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:27,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:27,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:27,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1484328500, now seen corresponding path program 1 times [2023-11-19 07:36:27,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:27,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792137331] [2023-11-19 07:36:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:27,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:27,820 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:36:27,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032676097] [2023-11-19 07:36:27,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:27,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:27,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:27,826 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:36:27,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:36:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:28,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:28,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:28,699 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:36:28,700 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:36:28,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:28,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:36:28,912 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:36:28,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:36:29,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:36:29,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:36:29,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:36:29,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-19 07:36:29,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:29 BoogieIcfgContainer [2023-11-19 07:36:29,058 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:36:29,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:29,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:29,063 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:29,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:01" (3/4) ... [2023-11-19 07:36:29,066 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:36:29,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:29,068 INFO L158 Benchmark]: Toolchain (without parser) took 29232.40ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 140.8MB in the beginning and 88.8MB in the end (delta: 52.1MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2023-11-19 07:36:29,068 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:29,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.64ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 126.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:36:29,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.27ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 121.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:36:29,070 INFO L158 Benchmark]: Boogie Preprocessor took 76.26ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 118.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:36:29,070 INFO L158 Benchmark]: RCFGBuilder took 836.29ms. Allocated memory is still 172.0MB. Free memory was 118.8MB in the beginning and 139.3MB in the end (delta: -20.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-19 07:36:29,070 INFO L158 Benchmark]: TraceAbstraction took 27822.33ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 138.4MB in the beginning and 88.8MB in the end (delta: 49.6MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2023-11-19 07:36:29,071 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 207.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:29,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.64ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 126.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.27ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 121.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.26ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 118.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 836.29ms. Allocated memory is still 172.0MB. Free memory was 118.8MB in the beginning and 139.3MB in the end (delta: -20.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 27822.33ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 138.4MB in the beginning and 88.8MB in the end (delta: 49.6MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 207.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of shiftRight at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_10 = 999.2; [L32] float var_1_11 = 63.75; [L33] signed long int var_1_12 = 100000; [L34] unsigned short int var_1_13 = 8; [L35] signed long int var_1_14 = 2; [L36] signed long int var_1_15 = 32; [L37] unsigned short int var_1_16 = 64; [L38] double var_1_17 = 127.5; [L39] double var_1_18 = 32.75; [L40] signed char var_1_19 = 0; [L41] unsigned long int var_1_20 = 128; VAL [isInitial=0, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L102] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L103] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L103] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] var_1_8 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L105] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L106] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L106] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L107] var_1_10 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L108] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L109] var_1_11 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L110] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L111] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L112] var_1_14 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L113] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L114] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L115] var_1_15 = __VERIFIER_nondet_long() [L116] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L116] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L117] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L118] var_1_16 = __VERIFIER_nondet_ushort() [L119] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L119] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L120] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L121] var_1_18 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L122] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L135] RET updateVariables() [L136] CALL step() [L45] COND TRUE var_1_2 && var_1_3 [L46] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L50] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L57] var_1_6 = var_1_5 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L59] COND FALSE !(-100000 >= var_1_1) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L62] COND FALSE !((var_1_10 / var_1_11) == 999999.6f) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L66] COND TRUE var_1_6 < var_1_1 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L67] COND FALSE !(var_1_5 == (~ (var_1_6 + var_1_1))) [L70] var_1_12 = ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8))) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L75] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L75] EXPR var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=8, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L75] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) [L82] var_1_13 = var_1_16 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=255/2, var_1_18=4, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L84] var_1_17 = var_1_18 [L85] var_1_19 = 5 [L86] var_1_20 = var_1_15 VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=127, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16))) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=127, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L127-L128] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=127, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=127, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=5, var_1_1=127, var_1_20=2, var_1_2=1, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 663 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 658 mSDsluCounter, 1425 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 966 mSDsCounter, 152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 898 IncrementalHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 152 mSolverCounterUnsat, 459 mSDtfsCounter, 898 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=4, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 847 ConstructedInterpolants, 3 QuantifiedInterpolants, 8364 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1339 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5064/5544 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 [2023-11-19 07:36:29,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu --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 1ecee7f2108a17f11e960ee96ea6cb69a4c42551d60bb88393a480360c059293 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:31,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:31,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:36:31,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:31,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:31,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:31,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:31,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:31,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:31,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:31,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:31,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:31,981 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:31,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:31,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:31,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:31,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:31,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:31,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:31,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:31,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:31,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:36:31,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:36:31,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:36:31,988 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:31,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:31,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:31,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:31,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:31,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:31,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:31,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:31,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:31,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:31,993 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:36:31,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:36:31,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:31,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:31,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:31,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:31,995 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:36:31,996 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:31,996 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_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecee7f2108a17f11e960ee96ea6cb69a4c42551d60bb88393a480360c059293 [2023-11-19 07:36:32,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:32,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:32,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:32,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:32,453 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:32,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i [2023-11-19 07:36:35,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:36,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:36,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i [2023-11-19 07:36:36,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data/3ff9a7348/60c8cc9a718046af9549ff553e5046b7/FLAG75063b8e2 [2023-11-19 07:36:36,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/data/3ff9a7348/60c8cc9a718046af9549ff553e5046b7 [2023-11-19 07:36:36,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:36,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:36,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:36,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:36,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:36,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1419a28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36, skipping insertion in model container [2023-11-19 07:36:36,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:36,500 WARN L240 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_49d080c6-ad20-4688-9865-5913d55d29f4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i[913,926] [2023-11-19 07:36:36,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:36,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:36,618 WARN L240 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_49d080c6-ad20-4688-9865-5913d55d29f4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-46.i[913,926] [2023-11-19 07:36:36,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:36,729 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:36,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36 WrapperNode [2023-11-19 07:36:36,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:36,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:36,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:36,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:36,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,819 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-19 07:36:36,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:36,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:36,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:36,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:36,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:36,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:36,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:36,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:36,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (1/1) ... [2023-11-19 07:36:36,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:36,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:36,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:36,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:36:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:36:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:36:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:37,115 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:37,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:40,451 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:40,468 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:40,468 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:40,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:40 BoogieIcfgContainer [2023-11-19 07:36:40,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:40,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:40,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:40,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:40,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:36" (1/3) ... [2023-11-19 07:36:40,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d696ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:40, skipping insertion in model container [2023-11-19 07:36:40,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:36" (2/3) ... [2023-11-19 07:36:40,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d696ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:40, skipping insertion in model container [2023-11-19 07:36:40,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:40" (3/3) ... [2023-11-19 07:36:40,482 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-46.i [2023-11-19 07:36:40,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:40,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:40,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:40,566 INFO L357 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, mHoare=true, 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;@14bc7651, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:40,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-19 07:36:40,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:40,585 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:40,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:40,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:40,591 INFO L85 PathProgramCache]: Analyzing trace with hash -250232366, now seen corresponding path program 1 times [2023-11-19 07:36:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:36:40,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460376584] [2023-11-19 07:36:40,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:40,611 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 [2023-11-19 07:36:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:36:40,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:36:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:36:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:41,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:36:41,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-19 07:36:41,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:36:41,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:36:41,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460376584] [2023-11-19 07:36:41,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460376584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:41,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:41,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:41,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327491682] [2023-11-19 07:36:41,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:41,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:36:41,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:36:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:36:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:41,190 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:36:41,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:41,227 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2023-11-19 07:36:41,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:36:41,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2023-11-19 07:36:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:41,238 INFO L225 Difference]: With dead ends: 118 [2023-11-19 07:36:41,238 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:36:41,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:36:41,244 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2023-11-19 07:36:41,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:36:41,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:36:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:36:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:36:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2023-11-19 07:36:41,321 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 137 [2023-11-19 07:36:41,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:41,321 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2023-11-19 07:36:41,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:36:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-11-19 07:36:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 07:36:41,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:41,333 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:41,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:36:41,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:41,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1348772776, now seen corresponding path program 1 times [2023-11-19 07:36:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:36:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100381828] [2023-11-19 07:36:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:41,550 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 [2023-11-19 07:36:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:36:41,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:36:41,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d080c6-ad20-4688-9865-5913d55d29f4/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:36:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:41,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:36:41,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 436 proven. 90 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-11-19 07:36:43,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:36:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 07:36:45,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:36:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100381828] [2023-11-19 07:36:45,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100381828] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:36:45,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:36:45,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-19 07:36:45,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413211937] [2023-11-19 07:36:45,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:36:45,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:36:45,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:36:45,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:36:45,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:36:45,790 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 4 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40)