./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB --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 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:21:16,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:21:17,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:21:17,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:21:17,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:21:17,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:21:17,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:21:17,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:21:17,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:21:17,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:21:17,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:21:17,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:21:17,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:21:17,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:21:17,059 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:21:17,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:21:17,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:21:17,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:21:17,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:21:17,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:21:17,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:21:17,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:21:17,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:21:17,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:21:17,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:21:17,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:21:17,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:21:17,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:21:17,062 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:21:17,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:17,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:17,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:17,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:17,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:21:17,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:17,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:17,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:17,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:17,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:21:17,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:21:17,065 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:21:17,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:21:17,066 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 [2024-11-27 20:21:17,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:21:17,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:21:17,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:21:17,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:21:17,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:21:17,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i [2024-11-27 20:21:20,674 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/965d7a437/1d6d21fefb31412388793a36b2d5ae66/FLAG5a788858a [2024-11-27 20:21:21,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:21:21,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i [2024-11-27 20:21:21,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/965d7a437/1d6d21fefb31412388793a36b2d5ae66/FLAG5a788858a [2024-11-27 20:21:21,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/965d7a437/1d6d21fefb31412388793a36b2d5ae66 [2024-11-27 20:21:21,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:21:21,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:21:21,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:21,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:21:21,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:21:21,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c7c010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21, skipping insertion in model container [2024-11-27 20:21:21,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:21:21,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-11-27 20:21:21,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:21,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:21:21,590 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-11-27 20:21:21,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:21,631 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:21:21,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21 WrapperNode [2024-11-27 20:21:21,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:21,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:21,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:21:21,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:21:21,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,675 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-27 20:21:21,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:21,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:21:21,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:21:21,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:21:21,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,705 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:21:21,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,712 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:21:21,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:21:21,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:21:21,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:21:21,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (1/1) ... [2024-11-27 20:21:21,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:21,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:21:21,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:21:21,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:21:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:21:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:21:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:21:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:21:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:21:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:21:21,882 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:21:21,884 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:21:22,167 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-27 20:21:22,167 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:21:22,182 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:21:22,182 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:21:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:22 BoogieIcfgContainer [2024-11-27 20:21:22,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:21:22,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:21:22,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:21:22,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:21:22,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:21:21" (1/3) ... [2024-11-27 20:21:22,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:22, skipping insertion in model container [2024-11-27 20:21:22,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:21" (2/3) ... [2024-11-27 20:21:22,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:22, skipping insertion in model container [2024-11-27 20:21:22,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:22" (3/3) ... [2024-11-27 20:21:22,197 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-3.i [2024-11-27 20:21:22,215 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:21:22,217 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-3.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:21:22,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:21:22,330 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6dbe1ecf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:21:22,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:21:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:21:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:22,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:22,352 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:22,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:22,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash 55740261, now seen corresponding path program 1 times [2024-11-27 20:21:22,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:21:22,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189052689] [2024-11-27 20:21:22,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:21:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-27 20:21:22,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:21:22,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189052689] [2024-11-27 20:21:22,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189052689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:21:22,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869964695] [2024-11-27 20:21:22,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:22,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:21:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:21:22,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:21:22,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:21:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:22,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:21:22,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:21:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-27 20:21:22,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:21:22,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869964695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:21:22,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:21:22,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:21:22,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664810090] [2024-11-27 20:21:22,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:21:22,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:21:22,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:21:22,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:21:22,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:21:22,992 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-27 20:21:23,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:23,026 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-27 20:21:23,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:21:23,030 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-11-27 20:21:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:23,037 INFO L225 Difference]: With dead ends: 97 [2024-11-27 20:21:23,037 INFO L226 Difference]: Without dead ends: 48 [2024-11-27 20:21:23,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:21:23,044 INFO L435 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:23,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:21:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-27 20:21:23,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-27 20:21:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:21:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-27 20:21:23,087 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-11-27 20:21:23,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:21:23,087 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-27 20:21:23,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-27 20:21:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-27 20:21:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:23,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:23,091 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:23,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:21:23,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:21:23,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:23,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash 322939501, now seen corresponding path program 1 times [2024-11-27 20:21:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:21:23,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261713328] [2024-11-27 20:21:23,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:23,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:21:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-27 20:21:23,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:21:23,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261713328] [2024-11-27 20:21:23,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261713328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:21:23,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:21:23,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:21:23,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563824425] [2024-11-27 20:21:23,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:21:23,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:21:23,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:21:23,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:21:23,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:21:23,858 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-27 20:21:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:23,952 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-11-27 20:21:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:21:23,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-27 20:21:23,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:23,960 INFO L225 Difference]: With dead ends: 138 [2024-11-27 20:21:23,960 INFO L226 Difference]: Without dead ends: 93 [2024-11-27 20:21:23,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:21:23,962 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:23,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:21:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-27 20:21:23,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-11-27 20:21:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 20:21:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-27 20:21:24,004 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-11-27 20:21:24,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:21:24,006 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-27 20:21:24,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-27 20:21:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-27 20:21:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:24,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:24,010 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:24,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:21:24,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:24,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:24,011 INFO L85 PathProgramCache]: Analyzing trace with hash 380197803, now seen corresponding path program 1 times [2024-11-27 20:21:24,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:21:24,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063556123] [2024-11-27 20:21:24,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:21:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 20:21:24,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:21:24,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063556123] [2024-11-27 20:21:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063556123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:21:24,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186328405] [2024-11-27 20:21:24,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:24,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:21:24,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:21:24,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:21:24,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:21:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:24,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:21:24,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:21:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-27 20:21:25,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:21:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 20:21:25,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186328405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:21:25,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:21:25,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-27 20:21:25,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256864507] [2024-11-27 20:21:25,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:21:25,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:21:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:21:25,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:21:25,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:21:25,668 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 20:21:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:25,940 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-27 20:21:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:21:25,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-11-27 20:21:25,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:25,945 INFO L225 Difference]: With dead ends: 193 [2024-11-27 20:21:25,948 INFO L226 Difference]: Without dead ends: 106 [2024-11-27 20:21:25,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:21:25,951 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:25,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 110 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:21:25,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-27 20:21:25,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-27 20:21:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 20:21:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-27 20:21:26,001 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-11-27 20:21:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:21:26,003 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-27 20:21:26,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 20:21:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-27 20:21:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:26,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:26,009 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:26,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:21:26,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:21:26,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:26,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:26,211 INFO L85 PathProgramCache]: Analyzing trace with hash 382044845, now seen corresponding path program 1 times [2024-11-27 20:21:26,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:21:26,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170713277] [2024-11-27 20:21:26,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:26,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:21:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:21:26,298 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:21:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:21:26,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:21:26,453 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:21:26,455 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:21:26,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:21:26,463 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-27 20:21:26,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:21:26,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:21:26 BoogieIcfgContainer [2024-11-27 20:21:26,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:21:26,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:21:26,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:21:26,592 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:21:26,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:22" (3/4) ... [2024-11-27 20:21:26,595 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:21:26,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:21:26,597 INFO L158 Benchmark]: Toolchain (without parser) took 5337.00ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 85.2MB in the beginning and 120.8MB in the end (delta: -35.6MB). Peak memory consumption was 133.6MB. Max. memory is 16.1GB. [2024-11-27 20:21:26,598 INFO L158 Benchmark]: CDTParser took 2.50ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:21:26,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.72ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 72.1MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:21:26,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.02ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:21:26,599 INFO L158 Benchmark]: Boogie Preprocessor took 57.64ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:21:26,599 INFO L158 Benchmark]: RCFGBuilder took 448.53ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 53.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:21:26,600 INFO L158 Benchmark]: TraceAbstraction took 4402.43ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 52.5MB in the beginning and 120.9MB in the end (delta: -68.4MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-11-27 20:21:26,600 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 285.2MB. Free memory was 120.9MB in the beginning and 120.8MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:21:26,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.50ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.72ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 72.1MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.02ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.64ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.53ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 53.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4402.43ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 52.5MB in the beginning and 120.9MB in the end (delta: -68.4MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 285.2MB. Free memory was 120.9MB in the beginning and 120.8MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] signed long int var_1_6 = -64; [L26] signed long int var_1_7 = -5; [L27] signed long int var_1_8 = 500; [L28] signed long int var_1_9 = -5; [L29] signed long int var_1_10 = -100; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 127.5; [L32] double var_1_13 = 15.75; [L33] double var_1_14 = -0.5; [L34] double var_1_15 = 5.25; [L35] double var_1_16 = 8.5; [L36] unsigned char last_1_var_1_11 = 1; VAL [isInitial=0, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L102] isInitial = 1 [L103] FCALL initially() [L105] CALL updateLastVariables() [L95] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L74] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L75] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L75] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L77] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L78] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L78] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 >= -536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_9 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L81] RET assume_abort_if_not(var_1_9 <= 536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L86] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L87] var_1_14 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L88] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L89] var_1_15 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L90] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L92] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L41] COND FALSE !(! last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L46] signed long int stepLocal_2 = var_1_7; [L47] signed long int stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, stepLocal_2=-1073741823, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L48] COND FALSE !(var_1_8 <= stepLocal_2) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L55] COND FALSE !(! var_1_11) [L58] var_1_6 = ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L60] COND FALSE !(\read(var_1_4)) [L63] var_1_12 = var_1_15 VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : 1) : 1) && ((! var_1_11) ? (var_1_6 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_6 == ((signed long int) ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7))))) && ((var_1_8 <= var_1_7) ? ((var_1_10 >= var_1_9) ? (var_1_11 == ((unsigned char) (! var_1_5))) : (var_1_11 == ((unsigned char) (var_1_1 || (! var_1_5))))) : 1)) && (var_1_4 ? (var_1_12 == ((double) (((((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) < ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))))))) ? ((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) : ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16)))))))))) : (var_1_12 == ((double) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 183 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 1304 SizeOfPredicates, 1 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 2724/2880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:21:26,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB --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 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:21:30,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:21:30,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:21:30,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:21:30,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:21:30,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:21:30,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:21:30,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:21:30,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:21:30,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:21:30,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:21:30,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:21:30,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:21:30,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:21:30,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:21:30,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:21:30,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:21:30,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:30,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:30,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:30,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:30,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:21:30,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:30,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:30,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:30,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:30,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:21:30,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:21:30,366 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:21:30,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:21:30,367 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 [2024-11-27 20:21:30,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:21:30,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:21:30,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:21:30,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:21:30,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:21:30,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i [2024-11-27 20:21:34,212 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/e7400c36d/58fe56a71f294d17b7607be7d833c9c4/FLAGadd747b51 [2024-11-27 20:21:34,562 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:21:34,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i [2024-11-27 20:21:34,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/e7400c36d/58fe56a71f294d17b7607be7d833c9c4/FLAGadd747b51 [2024-11-27 20:21:34,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/data/e7400c36d/58fe56a71f294d17b7607be7d833c9c4 [2024-11-27 20:21:34,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:21:34,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:21:34,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:34,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:21:34,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:21:34,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:34,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3480b45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34, skipping insertion in model container [2024-11-27 20:21:34,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:34,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:21:34,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-11-27 20:21:34,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:34,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:21:34,937 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-11-27 20:21:34,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:34,987 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:21:34,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34 WrapperNode [2024-11-27 20:21:34,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:34,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:34,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:21:34,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:21:34,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,035 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-27 20:21:35,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:35,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:21:35,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:21:35,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:21:35,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,068 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:21:35,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:21:35,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:21:35,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:21:35,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:21:35,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (1/1) ... [2024-11-27 20:21:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:21:35,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:21:35,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:21:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:21:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:21:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:21:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:21:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:21:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:21:35,283 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:21:35,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:21:36,043 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-27 20:21:36,044 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:21:36,057 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:21:36,057 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:21:36,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:36 BoogieIcfgContainer [2024-11-27 20:21:36,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:21:36,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:21:36,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:21:36,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:21:36,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:21:34" (1/3) ... [2024-11-27 20:21:36,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d562aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:36, skipping insertion in model container [2024-11-27 20:21:36,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:34" (2/3) ... [2024-11-27 20:21:36,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d562aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:36, skipping insertion in model container [2024-11-27 20:21:36,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:36" (3/3) ... [2024-11-27 20:21:36,071 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-3.i [2024-11-27 20:21:36,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:21:36,091 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-3.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:21:36,185 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:21:36,199 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ee3f1ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:21:36,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:21:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:21:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:36,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:36,218 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:36,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:36,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:36,227 INFO L85 PathProgramCache]: Analyzing trace with hash 55740261, now seen corresponding path program 1 times [2024-11-27 20:21:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:21:36,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124581035] [2024-11-27 20:21:36,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:36,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:21:36,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:21:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 20:21:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:36,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:21:36,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:21:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-27 20:21:36,650 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:21:36,652 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:21:36,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124581035] [2024-11-27 20:21:36,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124581035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:21:36,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:21:36,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:21:36,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034943709] [2024-11-27 20:21:36,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:21:36,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:21:36,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:21:36,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:21:36,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:21:36,696 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-27 20:21:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:36,723 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-27 20:21:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:21:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-11-27 20:21:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:36,732 INFO L225 Difference]: With dead ends: 97 [2024-11-27 20:21:36,733 INFO L226 Difference]: Without dead ends: 48 [2024-11-27 20:21:36,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:21:36,743 INFO L435 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:36,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:21:36,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-27 20:21:36,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-27 20:21:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:21:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-27 20:21:36,794 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-11-27 20:21:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:21:36,795 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-27 20:21:36,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-27 20:21:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-27 20:21:36,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:36,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:36,799 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:36,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 20:21:36,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:37,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:37,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:37,001 INFO L85 PathProgramCache]: Analyzing trace with hash 322939501, now seen corresponding path program 1 times [2024-11-27 20:21:37,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:21:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845244964] [2024-11-27 20:21:37,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:37,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:37,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:21:37,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:21:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 20:21:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:37,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:21:37,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:21:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-27 20:21:37,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:21:37,931 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:21:37,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845244964] [2024-11-27 20:21:37,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845244964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:21:37,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:21:37,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:21:37,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639905949] [2024-11-27 20:21:37,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:21:37,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:21:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:21:37,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:21:37,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:21:37,939 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-27 20:21:38,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:38,278 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-11-27 20:21:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:21:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-27 20:21:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:38,284 INFO L225 Difference]: With dead ends: 138 [2024-11-27 20:21:38,284 INFO L226 Difference]: Without dead ends: 93 [2024-11-27 20:21:38,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:21:38,286 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:38,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:21:38,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-27 20:21:38,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-11-27 20:21:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 20:21:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-27 20:21:38,317 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-11-27 20:21:38,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:21:38,318 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-27 20:21:38,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-27 20:21:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-27 20:21:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:38,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:38,324 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:38,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 20:21:38,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:38,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:38,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:38,530 INFO L85 PathProgramCache]: Analyzing trace with hash 380197803, now seen corresponding path program 1 times [2024-11-27 20:21:38,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:21:38,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660542521] [2024-11-27 20:21:38,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:38,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:38,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:21:38,536 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:21:38,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 20:21:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:38,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:21:38,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:21:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-27 20:21:39,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:21:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 20:21:39,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:21:39,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660542521] [2024-11-27 20:21:39,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660542521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:21:39,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:21:39,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-27 20:21:39,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219648856] [2024-11-27 20:21:39,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:21:39,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:21:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:21:39,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:21:39,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:21:39,613 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 20:21:40,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:40,565 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-27 20:21:40,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:21:40,575 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-11-27 20:21:40,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:40,577 INFO L225 Difference]: With dead ends: 193 [2024-11-27 20:21:40,577 INFO L226 Difference]: Without dead ends: 106 [2024-11-27 20:21:40,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:21:40,579 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:40,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 109 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:21:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-27 20:21:40,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-27 20:21:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 20:21:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-27 20:21:40,612 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-11-27 20:21:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:21:40,613 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-27 20:21:40,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 20:21:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-27 20:21:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 20:21:40,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:40,616 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:40,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-27 20:21:40,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:40,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:40,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:40,818 INFO L85 PathProgramCache]: Analyzing trace with hash 382044845, now seen corresponding path program 1 times [2024-11-27 20:21:40,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:21:40,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792311273] [2024-11-27 20:21:40,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:40,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:21:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:21:40,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:21:40,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a08e189-7cca-47bb-84f2-228e060c6d5b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-27 20:21:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:21:41,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 20:21:41,225 INFO L279 TraceCheckSpWp]: Computing forward predicates...