./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:48,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:48,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:04:48,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:48,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:48,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:48,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:48,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:48,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:48,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:48,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:48,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:48,863 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:48,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:48,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:48,865 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:48,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:48,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:48,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:48,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:48,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:48,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:48,874 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:48,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:48,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:48,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:48,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:48,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:48,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:48,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:48,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:48,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:48,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:48,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:48,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:48,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:48,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:48,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:48,891 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:48,892 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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 [2023-11-19 08:04:49,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:49,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:49,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:49,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:49,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:49,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-19 08:04:52,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:52,729 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:52,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-19 08:04:52,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data/46e68dd7f/9a2d942f491a4907868898a83b56d13f/FLAGb66e739d3 [2023-11-19 08:04:52,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data/46e68dd7f/9a2d942f491a4907868898a83b56d13f [2023-11-19 08:04:52,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:52,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:52,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:52,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:52,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:52,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4824434c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52, skipping insertion in model container [2023-11-19 08:04:52,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:52" (1/1) ... [2023-11-19 08:04:52,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:53,005 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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-19 08:04:53,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:53,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:53,105 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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-19 08:04:53,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:53,168 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:53,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53 WrapperNode [2023-11-19 08:04:53,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:53,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:53,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:53,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:53,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,252 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-11-19 08:04:53,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:53,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:53,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:53,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:53,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:53,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:53,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:53,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:53,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (1/1) ... [2023-11-19 08:04:53,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:53,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:53,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:53,574 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:53,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:54,192 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:54,203 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:54,203 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:54,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:54 BoogieIcfgContainer [2023-11-19 08:04:54,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:54,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:54,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:54,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:54,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:52" (1/3) ... [2023-11-19 08:04:54,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b77dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:54, skipping insertion in model container [2023-11-19 08:04:54,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:53" (2/3) ... [2023-11-19 08:04:54,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b77dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:54, skipping insertion in model container [2023-11-19 08:04:54,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:54" (3/3) ... [2023-11-19 08:04:54,219 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-47.i [2023-11-19 08:04:54,241 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:54,241 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:54,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:54,321 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;@1cb9839c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:54,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 64 states have (on average 1.484375) internal successors, (95), 65 states have internal predecessors, (95), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 08:04:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 08:04:54,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:54,351 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:54,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:54,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:54,357 INFO L85 PathProgramCache]: Analyzing trace with hash 709711073, now seen corresponding path program 1 times [2023-11-19 08:04:54,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:54,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865431668] [2023-11-19 08:04:54,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:54,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:54,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865431668] [2023-11-19 08:04:54,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:04:54,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803779332] [2023-11-19 08:04:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:54,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:54,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:54,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:54,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:04:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:54,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:04:54,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-19 08:04:54,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:54,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803779332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:54,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:54,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:54,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669664701] [2023-11-19 08:04:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:54,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:54,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:55,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:55,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:55,009 INFO L87 Difference]: Start difference. First operand has 93 states, 64 states have (on average 1.484375) internal successors, (95), 65 states have internal predecessors, (95), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 08:04:55,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:55,071 INFO L93 Difference]: Finished difference Result 179 states and 314 transitions. [2023-11-19 08:04:55,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:55,074 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-11-19 08:04:55,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:55,087 INFO L225 Difference]: With dead ends: 179 [2023-11-19 08:04:55,088 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 08:04:55,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 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 08:04:55,105 INFO L413 NwaCegarLoop]: 136 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, 136 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 08:04:55,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:55,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 08:04:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 08:04:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 08:04:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 136 transitions. [2023-11-19 08:04:55,185 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 136 transitions. Word has length 168 [2023-11-19 08:04:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:55,185 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 136 transitions. [2023-11-19 08:04:55,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 08:04:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2023-11-19 08:04:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 08:04:55,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:55,190 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:55,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:55,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:55,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:55,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash -851965883, now seen corresponding path program 1 times [2023-11-19 08:04:55,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:55,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406448221] [2023-11-19 08:04:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:55,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:55,558 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:55,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152216474] [2023-11-19 08:04:55,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:55,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:55,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:55,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:55,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:04:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:55,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:04:55,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 465 proven. 15 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-19 08:04:55,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 08:04:56,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:56,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406448221] [2023-11-19 08:04:56,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:56,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152216474] [2023-11-19 08:04:56,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152216474] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:56,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:56,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-19 08:04:56,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827641878] [2023-11-19 08:04:56,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:56,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:04:56,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:56,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:04:56,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:04:56,217 INFO L87 Difference]: Start difference. First operand 89 states and 136 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-19 08:04:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:57,404 INFO L93 Difference]: Finished difference Result 398 states and 601 transitions. [2023-11-19 08:04:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 08:04:57,406 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 169 [2023-11-19 08:04:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:57,417 INFO L225 Difference]: With dead ends: 398 [2023-11-19 08:04:57,417 INFO L226 Difference]: Without dead ends: 312 [2023-11-19 08:04:57,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 330 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2023-11-19 08:04:57,425 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 454 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:57,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 825 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 08:04:57,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-19 08:04:57,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 209. [2023-11-19 08:04:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 134 states have internal predecessors, (171), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-19 08:04:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 315 transitions. [2023-11-19 08:04:57,527 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 315 transitions. Word has length 169 [2023-11-19 08:04:57,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:57,530 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 315 transitions. [2023-11-19 08:04:57,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-19 08:04:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 315 transitions. [2023-11-19 08:04:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 08:04:57,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:57,541 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:57,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:57,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 08:04:57,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:57,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:57,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2131829561, now seen corresponding path program 1 times [2023-11-19 08:04:57,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:57,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393104186] [2023-11-19 08:04:57,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:57,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:57,813 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:57,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1539317974] [2023-11-19 08:04:57,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:57,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:57,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:57,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:57,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:04:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:58,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 08:04:58,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 569 proven. 165 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2023-11-19 08:04:59,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:13,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:13,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393104186] [2023-11-19 08:05:13,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:13,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539317974] [2023-11-19 08:05:13,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539317974] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:13,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:13,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-19 08:05:13,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216193477] [2023-11-19 08:05:13,192 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:13,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 08:05:13,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:13,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 08:05:13,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=280, Unknown=3, NotChecked=0, Total=380 [2023-11-19 08:05:13,195 INFO L87 Difference]: Start difference. First operand 209 states and 315 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-19 08:05:14,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:14,163 INFO L93 Difference]: Finished difference Result 529 states and 753 transitions. [2023-11-19 08:05:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 08:05:14,163 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 169 [2023-11-19 08:05:14,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:14,174 INFO L225 Difference]: With dead ends: 529 [2023-11-19 08:05:14,174 INFO L226 Difference]: Without dead ends: 356 [2023-11-19 08:05:14,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=238, Invalid=629, Unknown=3, NotChecked=0, Total=870 [2023-11-19 08:05:14,179 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 159 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:14,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 659 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:05:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-11-19 08:05:14,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 334. [2023-11-19 08:05:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 240 states have (on average 1.3083333333333333) internal successors, (314), 244 states have internal predecessors, (314), 78 states have call successors, (78), 15 states have call predecessors, (78), 15 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-19 08:05:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 470 transitions. [2023-11-19 08:05:14,247 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 470 transitions. Word has length 169 [2023-11-19 08:05:14,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:14,250 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 470 transitions. [2023-11-19 08:05:14,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-19 08:05:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 470 transitions. [2023-11-19 08:05:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 08:05:14,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:14,254 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:14,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 08:05:14,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-19 08:05:14,473 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:14,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash 474193993, now seen corresponding path program 1 times [2023-11-19 08:05:14,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:14,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429229832] [2023-11-19 08:05:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:14,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:14,543 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:14,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055455992] [2023-11-19 08:05:14,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:14,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:14,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:14,553 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:14,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:05:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:14,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 08:05:14,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 319 proven. 126 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-19 08:05:16,230 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 08:05:17,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429229832] [2023-11-19 08:05:17,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:17,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055455992] [2023-11-19 08:05:17,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055455992] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:17,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:17,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2023-11-19 08:05:17,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243703249] [2023-11-19 08:05:17,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:17,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:05:17,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:17,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:05:17,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:05:17,247 INFO L87 Difference]: Start difference. First operand 334 states and 470 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 08:05:20,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:20,512 INFO L93 Difference]: Finished difference Result 804 states and 1129 transitions. [2023-11-19 08:05:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:05:20,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-19 08:05:20,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:20,520 INFO L225 Difference]: With dead ends: 804 [2023-11-19 08:05:20,520 INFO L226 Difference]: Without dead ends: 518 [2023-11-19 08:05:20,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2023-11-19 08:05:20,523 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 181 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:20,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 542 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-19 08:05:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2023-11-19 08:05:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 351. [2023-11-19 08:05:20,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 256 states have (on average 1.3046875) internal successors, (334), 260 states have internal predecessors, (334), 78 states have call successors, (78), 16 states have call predecessors, (78), 16 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-19 08:05:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 490 transitions. [2023-11-19 08:05:20,604 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 490 transitions. Word has length 169 [2023-11-19 08:05:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:20,606 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 490 transitions. [2023-11-19 08:05:20,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 08:05:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 490 transitions. [2023-11-19 08:05:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 08:05:20,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:20,611 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:20,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:20,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:20,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:20,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:20,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2045765941, now seen corresponding path program 1 times [2023-11-19 08:05:20,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:20,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292986196] [2023-11-19 08:05:20,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:20,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:20,903 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:20,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074364449] [2023-11-19 08:05:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:20,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:20,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:20,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:20,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:05:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:21,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 08:05:21,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 319 proven. 126 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-19 08:05:21,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 08:05:22,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:22,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292986196] [2023-11-19 08:05:22,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:22,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074364449] [2023-11-19 08:05:22,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074364449] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:22,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:22,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2023-11-19 08:05:22,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997142790] [2023-11-19 08:05:22,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:22,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 08:05:22,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:22,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 08:05:22,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-11-19 08:05:22,297 INFO L87 Difference]: Start difference. First operand 351 states and 490 transitions. Second operand has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-19 08:05:27,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:27,334 INFO L93 Difference]: Finished difference Result 1208 states and 1604 transitions. [2023-11-19 08:05:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-11-19 08:05:27,335 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 169 [2023-11-19 08:05:27,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:27,347 INFO L225 Difference]: With dead ends: 1208 [2023-11-19 08:05:27,347 INFO L226 Difference]: Without dead ends: 909 [2023-11-19 08:05:27,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2319 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1431, Invalid=5541, Unknown=0, NotChecked=0, Total=6972 [2023-11-19 08:05:27,353 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 848 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:27,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 1031 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 08:05:27,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2023-11-19 08:05:27,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 326. [2023-11-19 08:05:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 234 states have (on average 1.2735042735042734) internal successors, (298), 236 states have internal predecessors, (298), 72 states have call successors, (72), 19 states have call predecessors, (72), 19 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-19 08:05:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 442 transitions. [2023-11-19 08:05:27,461 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 442 transitions. Word has length 169 [2023-11-19 08:05:27,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:27,461 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 442 transitions. [2023-11-19 08:05:27,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-19 08:05:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 442 transitions. [2023-11-19 08:05:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 08:05:27,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:27,465 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:27,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:27,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:27,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:27,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1208196873, now seen corresponding path program 1 times [2023-11-19 08:05:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:27,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932460821] [2023-11-19 08:05:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:27,741 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:27,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909946319] [2023-11-19 08:05:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:27,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:27,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:27,749 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:27,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:05:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:27,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:27,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 08:05:27,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:27,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:27,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932460821] [2023-11-19 08:05:27,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:27,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909946319] [2023-11-19 08:05:27,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909946319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:27,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:27,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:27,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714871180] [2023-11-19 08:05:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:27,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:27,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:27,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:27,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:27,916 INFO L87 Difference]: Start difference. First operand 326 states and 442 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 08:05:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:28,019 INFO L93 Difference]: Finished difference Result 727 states and 995 transitions. [2023-11-19 08:05:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:28,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-19 08:05:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:28,024 INFO L225 Difference]: With dead ends: 727 [2023-11-19 08:05:28,024 INFO L226 Difference]: Without dead ends: 457 [2023-11-19 08:05:28,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:28,027 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 123 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:28,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 347 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:28,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-11-19 08:05:28,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 326. [2023-11-19 08:05:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 234 states have (on average 1.264957264957265) internal successors, (296), 236 states have internal predecessors, (296), 72 states have call successors, (72), 19 states have call predecessors, (72), 19 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-19 08:05:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 440 transitions. [2023-11-19 08:05:28,118 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 440 transitions. Word has length 170 [2023-11-19 08:05:28,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:28,119 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 440 transitions. [2023-11-19 08:05:28,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 08:05:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2023-11-19 08:05:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 08:05:28,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:28,122 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:28,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:28,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:28,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:28,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1909261451, now seen corresponding path program 1 times [2023-11-19 08:05:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099075238] [2023-11-19 08:05:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:28,374 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:28,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1106580931] [2023-11-19 08:05:28,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:28,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:28,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:28,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:28,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:05:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:28,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:05:28,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 295 proven. 66 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2023-11-19 08:05:28,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:29,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:29,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099075238] [2023-11-19 08:05:29,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:29,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106580931] [2023-11-19 08:05:29,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106580931] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:29,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:29,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-19 08:05:29,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95105474] [2023-11-19 08:05:29,416 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:29,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:05:29,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:29,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:05:29,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:05:29,418 INFO L87 Difference]: Start difference. First operand 326 states and 440 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 08:05:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:29,914 INFO L93 Difference]: Finished difference Result 622 states and 841 transitions. [2023-11-19 08:05:29,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:05:29,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2023-11-19 08:05:29,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:29,923 INFO L225 Difference]: With dead ends: 622 [2023-11-19 08:05:29,923 INFO L226 Difference]: Without dead ends: 352 [2023-11-19 08:05:29,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:05:29,925 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 78 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:29,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 401 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:05:29,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-19 08:05:29,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 312. [2023-11-19 08:05:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 220 states have (on average 1.240909090909091) internal successors, (273), 222 states have internal predecessors, (273), 72 states have call successors, (72), 19 states have call predecessors, (72), 19 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-19 08:05:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 417 transitions. [2023-11-19 08:05:29,994 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 417 transitions. Word has length 170 [2023-11-19 08:05:29,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:29,994 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 417 transitions. [2023-11-19 08:05:29,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 08:05:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 417 transitions. [2023-11-19 08:05:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 08:05:29,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:29,998 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:30,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:30,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:30,221 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:30,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:30,222 INFO L85 PathProgramCache]: Analyzing trace with hash -610698483, now seen corresponding path program 1 times [2023-11-19 08:05:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:30,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229330178] [2023-11-19 08:05:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:30,250 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:30,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062069196] [2023-11-19 08:05:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:30,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:30,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:30,252 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:30,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:05:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:30,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:30,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:30,630 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:05:30,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:05:30,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:30,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:30,851 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:30,856 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:05:30,973 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:05:30,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:05:30,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated [2023-11-19 08:05:30,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-19 08:05:30,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:30 BoogieIcfgContainer [2023-11-19 08:05:30,997 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:05:30,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:30,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:30,998 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:30,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:54" (3/4) ... [2023-11-19 08:05:31,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:05:31,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:31,002 INFO L158 Benchmark]: Toolchain (without parser) took 38226.36ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 88.7MB in the beginning and 70.0MB in the end (delta: 18.6MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:31,002 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:31,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.64ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 73.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:05:31,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.56ms. Allocated memory is still 134.2MB. Free memory was 73.9MB in the beginning and 69.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:31,003 INFO L158 Benchmark]: Boogie Preprocessor took 73.17ms. Allocated memory is still 134.2MB. Free memory was 69.2MB in the beginning and 66.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:31,004 INFO L158 Benchmark]: RCFGBuilder took 881.43ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 126.4MB in the end (delta: -59.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-19 08:05:31,004 INFO L158 Benchmark]: TraceAbstraction took 36784.94ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 125.5MB in the beginning and 70.0MB in the end (delta: 55.5MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2023-11-19 08:05:31,004 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 201.3MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:31,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.64ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 73.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.56ms. Allocated memory is still 134.2MB. Free memory was 73.9MB in the beginning and 69.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.17ms. Allocated memory is still 134.2MB. Free memory was 69.2MB in the beginning and 66.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 881.43ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 126.4MB in the end (delta: -59.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36784.94ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 125.5MB in the beginning and 70.0MB in the end (delta: 55.5MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 201.3MB. Free memory is still 70.0MB. 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~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 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 someBinaryDOUBLEComparisonOperation at line 136, overapproximation of someBinaryFLOATComparisonOperation at line 136. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_2 = 50.5; [L24] double var_1_3 = 0.875; [L25] unsigned short int var_1_4 = 49926; [L26] unsigned short int var_1_5 = 500; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 2; [L29] unsigned char var_1_8 = 64; [L30] unsigned short int var_1_9 = 5; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 10; [L33] float var_1_12 = 0.19999999999999996; [L34] float var_1_13 = 9.2; [L35] float var_1_14 = 5.8; [L36] float var_1_15 = 31.25; [L37] unsigned char var_1_16 = 1; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] unsigned char var_1_19 = 1; [L41] unsigned short int var_1_20 = 256; [L42] unsigned short int var_1_21 = 23544; [L43] unsigned long int var_1_22 = 64; VAL [isInitial=0, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_2=101/2, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L92] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L95] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L95] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L96] var_1_4 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L97] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L98] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L98] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L99] var_1_5 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L101] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L102] var_1_6 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L104] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L104] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L105] var_1_7 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=5] [L106] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=5] [L107] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=5] [L107] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=5] [L108] var_1_9 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L109] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L110] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L110] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L111] var_1_10 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L112] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L113] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L113] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L114] var_1_11 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L116] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L116] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L117] var_1_13 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L118] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L119] var_1_14 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L120] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L121] var_1_15 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L123] var_1_17 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L124] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L125] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L125] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L126] var_1_18 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L127] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L128] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L128] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L129] var_1_21 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L130] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L131] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L131] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L144] RET updateVariables() [L145] CALL step() [L47] COND TRUE var_1_2 >= (1.3 / var_1_3) [L48] var_1_1 = ((var_1_4 - var_1_5) - var_1_6) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L52] signed long int stepLocal_0 = 32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))); VAL [isInitial=1, stepLocal_0=16384, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L53] COND FALSE !(var_1_5 >= stepLocal_0) VAL [isInitial=1, stepLocal_0=16384, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L58] COND FALSE !(\read(var_1_10)) [L63] var_1_12 = var_1_14 VAL [isInitial=1, stepLocal_0=16384, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L65] COND FALSE !((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) [L68] var_1_16 = var_1_18 VAL [isInitial=1, stepLocal_0=16384, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L70] unsigned char stepLocal_1 = var_1_1 < 64; VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L71] COND FALSE !(\read(var_1_16)) VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L76] unsigned short int stepLocal_2 = var_1_4; VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, stepLocal_2=49150, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L77] COND TRUE var_1_6 <= stepLocal_2 VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, stepLocal_2=49150, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L78] COND FALSE !(\read(var_1_16)) [L81] var_1_20 = 16 VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, stepLocal_2=49150, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L86] EXPR 2 ^ var_1_1 VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, stepLocal_2=49150, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L86] EXPR (((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1)) VAL [isInitial=1, stepLocal_0=16384, stepLocal_1=1, stepLocal_2=49150, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L86] COND FALSE !(var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR (((((((var_1_2 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_5) - var_1_6))) : (var_1_1 == ((unsigned short int) ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (var_1_10 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_10 ? (((var_1_8 * var_1_7) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) ? (var_1_16 == ((unsigned char) (var_1_10 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_10) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_6 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_5))))) && ((var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) ? (var_1_22 == ((unsigned long int) var_1_8)) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L136-L137] return (((((((var_1_2 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_5) - var_1_6))) : (var_1_1 == ((unsigned short int) ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (var_1_10 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_10 ? (((var_1_8 * var_1_7) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) ? (var_1_16 == ((unsigned char) (var_1_10 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_10) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_6 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_5))))) && ((var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) ? (var_1_22 == ((unsigned long int) var_1_8)) : 1) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=5, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_3=2, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=32831, var_1_8=64, var_1_9=16412] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.6s, OverallIterations: 8, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1896 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1843 mSDsluCounter, 3941 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2814 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3057 IncrementalHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 1127 mSDtfsCounter, 3057 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1940 GetRequests, 1774 SyntacticMatches, 1 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2734 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=4, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1046 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 1522 NumberOfCodeBlocks, 1522 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1681 ConstructedInterpolants, 5 QuantifiedInterpolants, 8534 SizeOfPredicates, 32 NumberOfNonLiveVariables, 2678 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 12421/13000 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 08:05:31,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:34,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:34,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:05:34,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:34,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:34,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:34,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:34,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:34,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:34,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:34,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:34,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:34,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:34,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:34,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:34,303 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:34,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:34,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:34,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:34,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:34,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:34,307 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:34,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:05:34,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:05:34,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:34,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:34,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:34,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:34,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:34,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:34,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:34,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:34,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:34,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:34,316 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:05:34,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:34,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:34,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:34,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:34,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:34,319 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:05:34,319 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:34,320 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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 [2023-11-19 08:05:34,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:34,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:34,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:34,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:34,928 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:34,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-19 08:05:38,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:39,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:39,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-19 08:05:39,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data/a56d9192b/5725bb885b314f4e8acc4fd2b18b21dd/FLAG9a7035bc4 [2023-11-19 08:05:39,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/data/a56d9192b/5725bb885b314f4e8acc4fd2b18b21dd [2023-11-19 08:05:39,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:39,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:39,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:39,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:39,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:39,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25246fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39, skipping insertion in model container [2023-11-19 08:05:39,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:39,583 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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-19 08:05:39,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:39,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:39,693 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_9da9565a-1bf0-468f-ac0c-bc906fdf0463/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-19 08:05:39,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:39,755 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:39,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39 WrapperNode [2023-11-19 08:05:39,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:39,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:39,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:39,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:39,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,825 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-19 08:05:39,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:39,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:39,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:39,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:39,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:39,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:39,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:39,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:39,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:39" (1/1) ... [2023-11-19 08:05:39,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:39,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:39,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:40,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da9565a-1bf0-468f-ac0c-bc906fdf0463/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:05:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:40,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:40,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation