./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.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_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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_6ef534a1-d96c-433b-9906-ab625317b7c9/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 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:11:08,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:11:08,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:11:08,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:11:08,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:11:08,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:11:08,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:11:08,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:11:08,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:11:08,549 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:11:08,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:11:08,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:11:08,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:11:08,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:11:08,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:11:08,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:11:08,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:11:08,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:11:08,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:11:08,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:11:08,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:11:08,554 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:11:08,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:08,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:11:08,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:08,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:08,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:11:08,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:08,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:11:08,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:08,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:08,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:11:08,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:11:08,556 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:11:08,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:11:08,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:11:08,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:11:08,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:11:08,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:11:08,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:11:08,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:11:08,557 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_6ef534a1-d96c-433b-9906-ab625317b7c9/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 -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2024-11-27 20:11:08,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:11:08,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:11:08,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:11:08,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:11:08,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:11:08,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2024-11-27 20:11:12,774 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/f09e07469/d3f6b85ceaec44a4a1ffd3cd0432b201/FLAG6a48c6d8b [2024-11-27 20:11:13,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:11:13,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2024-11-27 20:11:13,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/f09e07469/d3f6b85ceaec44a4a1ffd3cd0432b201/FLAG6a48c6d8b [2024-11-27 20:11:13,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/f09e07469/d3f6b85ceaec44a4a1ffd3cd0432b201 [2024-11-27 20:11:13,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:11:13,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:11:13,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:13,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:11:13,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:11:13,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4df9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13, skipping insertion in model container [2024-11-27 20:11:13,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:11:13,426 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_6ef534a1-d96c-433b-9906-ab625317b7c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-27 20:11:13,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:13,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:11:13,582 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_6ef534a1-d96c-433b-9906-ab625317b7c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-27 20:11:13,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:13,691 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:11:13,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13 WrapperNode [2024-11-27 20:11:13,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:13,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:13,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:11:13,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:11:13,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,772 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-27 20:11:13,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:13,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:11:13,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:11:13,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:11:13,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,832 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 20:11:13,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:11:13,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:11:13,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:11:13,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:11:13,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (1/1) ... [2024-11-27 20:11:13,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:13,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:13,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:11:13,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:11:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:11:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:11:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:11:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:11:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:11:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:11:14,068 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:11:14,070 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:11:14,641 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-27 20:11:14,641 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:11:14,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:11:14,656 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:11:14,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:14 BoogieIcfgContainer [2024-11-27 20:11:14,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:11:14,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:11:14,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:11:14,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:11:14,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:11:13" (1/3) ... [2024-11-27 20:11:14,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395fb3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:14, skipping insertion in model container [2024-11-27 20:11:14,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:13" (2/3) ... [2024-11-27 20:11:14,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395fb3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:14, skipping insertion in model container [2024-11-27 20:11:14,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:14" (3/3) ... [2024-11-27 20:11:14,668 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2024-11-27 20:11:14,702 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:11:14,703 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-41.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:11:14,771 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:11:14,785 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;@4a4ac4b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:11:14,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:11:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:11:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:11:14,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:14,808 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:14,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:14,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1680409076, now seen corresponding path program 1 times [2024-11-27 20:11:14,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:14,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416565172] [2024-11-27 20:11:14,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-27 20:11:15,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:15,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416565172] [2024-11-27 20:11:15,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416565172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:15,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714556478] [2024-11-27 20:11:15,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:15,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:15,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:15,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:15,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:11:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:15,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:11:15,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-27 20:11:15,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:11:15,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714556478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:15,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:15,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:11:15,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636501214] [2024-11-27 20:11:15,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:15,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:11:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:15,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:11:15,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:11:15,728 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:11:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:15,782 INFO L93 Difference]: Finished difference Result 139 states and 239 transitions. [2024-11-27 20:11:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:11:15,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2024-11-27 20:11:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:15,798 INFO L225 Difference]: With dead ends: 139 [2024-11-27 20:11:15,799 INFO L226 Difference]: Without dead ends: 69 [2024-11-27 20:11:15,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 20:11:15,811 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:15,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:11:15,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-27 20:11:15,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-27 20:11:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:11:15,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2024-11-27 20:11:15,887 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 160 [2024-11-27 20:11:15,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:15,890 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2024-11-27 20:11:15,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:11:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2024-11-27 20:11:15,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:11:15,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:15,897 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:15,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:16,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:16,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:16,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:16,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1216322250, now seen corresponding path program 1 times [2024-11-27 20:11:16,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:16,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359625237] [2024-11-27 20:11:16,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:16,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:11:16,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397162120] [2024-11-27 20:11:16,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:16,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:16,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:16,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:16,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:11:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:16,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 20:11:16,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 532 proven. 33 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-11-27 20:11:18,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:24,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:24,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359625237] [2024-11-27 20:11:24,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:24,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397162120] [2024-11-27 20:11:24,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397162120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:24,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:24,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-27 20:11:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144950991] [2024-11-27 20:11:24,647 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:24,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:11:24,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:24,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:11:24,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=344, Unknown=1, NotChecked=0, Total=462 [2024-11-27 20:11:24,652 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 states have internal predecessors, (56), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-27 20:11:27,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:27,480 INFO L93 Difference]: Finished difference Result 258 states and 360 transitions. [2024-11-27 20:11:27,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-27 20:11:27,481 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 states have internal predecessors, (56), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 160 [2024-11-27 20:11:27,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:27,485 INFO L225 Difference]: With dead ends: 258 [2024-11-27 20:11:27,485 INFO L226 Difference]: Without dead ends: 192 [2024-11-27 20:11:27,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=392, Invalid=1089, Unknown=1, NotChecked=0, Total=1482 [2024-11-27 20:11:27,488 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 252 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:27,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 608 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:11:27,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-27 20:11:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 129. [2024-11-27 20:11:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 80 states have (on average 1.1875) internal successors, (95), 81 states have internal predecessors, (95), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-27 20:11:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 179 transitions. [2024-11-27 20:11:27,553 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 179 transitions. Word has length 160 [2024-11-27 20:11:27,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:27,555 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 179 transitions. [2024-11-27 20:11:27,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 states have internal predecessors, (56), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-27 20:11:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 179 transitions. [2024-11-27 20:11:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:11:27,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:27,558 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:27,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:27,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:27,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:27,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:27,761 INFO L85 PathProgramCache]: Analyzing trace with hash 406975624, now seen corresponding path program 1 times [2024-11-27 20:11:27,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:27,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274721429] [2024-11-27 20:11:27,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:27,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 20:11:28,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:28,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274721429] [2024-11-27 20:11:28,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274721429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:28,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:28,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:11:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922087882] [2024-11-27 20:11:28,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:28,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:28,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:28,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:28,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:28,122 INFO L87 Difference]: Start difference. First operand 129 states and 179 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 20:11:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:28,225 INFO L93 Difference]: Finished difference Result 267 states and 364 transitions. [2024-11-27 20:11:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:28,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2024-11-27 20:11:28,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:28,236 INFO L225 Difference]: With dead ends: 267 [2024-11-27 20:11:28,239 INFO L226 Difference]: Without dead ends: 141 [2024-11-27 20:11:28,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:28,242 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 21 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:28,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 200 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:11:28,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-27 20:11:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2024-11-27 20:11:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 88 states have internal predecessors, (99), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-27 20:11:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2024-11-27 20:11:28,304 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 160 [2024-11-27 20:11:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:28,307 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2024-11-27 20:11:28,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 20:11:28,308 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2024-11-27 20:11:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:11:28,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:28,315 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:28,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:11:28,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:28,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:28,320 INFO L85 PathProgramCache]: Analyzing trace with hash 823295240, now seen corresponding path program 1 times [2024-11-27 20:11:28,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:28,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297399163] [2024-11-27 20:11:28,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:28,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:11:28,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837654844] [2024-11-27 20:11:28,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:28,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:28,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:28,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:28,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:11:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:28,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:11:28,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 442 proven. 15 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-11-27 20:11:29,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:34,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:34,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297399163] [2024-11-27 20:11:34,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:34,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837654844] [2024-11-27 20:11:34,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837654844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:34,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:34,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 20:11:34,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093832440] [2024-11-27 20:11:34,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:34,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:11:34,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:34,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:11:34,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2024-11-27 20:11:34,237 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:11:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:34,697 INFO L93 Difference]: Finished difference Result 274 states and 368 transitions. [2024-11-27 20:11:34,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:11:34,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2024-11-27 20:11:34,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:34,703 INFO L225 Difference]: With dead ends: 274 [2024-11-27 20:11:34,703 INFO L226 Difference]: Without dead ends: 146 [2024-11-27 20:11:34,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=35, Invalid=74, Unknown=1, NotChecked=0, Total=110 [2024-11-27 20:11:34,708 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 54 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:34,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 208 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:11:34,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-27 20:11:34,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 138. [2024-11-27 20:11:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 88 states have internal predecessors, (98), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-27 20:11:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2024-11-27 20:11:34,764 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 160 [2024-11-27 20:11:34,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:34,765 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2024-11-27 20:11:34,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:11:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2024-11-27 20:11:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:11:34,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:34,770 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:34,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:34,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:34,972 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:34,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:34,972 INFO L85 PathProgramCache]: Analyzing trace with hash 709865403, now seen corresponding path program 1 times [2024-11-27 20:11:34,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:34,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679975299] [2024-11-27 20:11:34,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:34,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:11:35,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854596174] [2024-11-27 20:11:35,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:35,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:35,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:35,246 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:35,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:11:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:11:35,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:11:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:11:35,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:11:35,812 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:11:35,813 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:11:35,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:36,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:36,022 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 20:11:36,174 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:11:36,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:11:36 BoogieIcfgContainer [2024-11-27 20:11:36,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:11:36,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:11:36,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:11:36,187 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:11:36,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:14" (3/4) ... [2024-11-27 20:11:36,194 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:11:36,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:11:36,196 INFO L158 Benchmark]: Toolchain (without parser) took 23032.51ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 82.7MB in the beginning and 99.9MB in the end (delta: -17.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-27 20:11:36,197 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:36,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.33ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 68.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:11:36,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.08ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 64.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:36,202 INFO L158 Benchmark]: Boogie Preprocessor took 85.44ms. Allocated memory is still 109.1MB. Free memory was 64.8MB in the beginning and 59.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:11:36,203 INFO L158 Benchmark]: RCFGBuilder took 796.93ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 38.5MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:11:36,203 INFO L158 Benchmark]: TraceAbstraction took 21523.38ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 99.9MB in the end (delta: -62.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-27 20:11:36,203 INFO L158 Benchmark]: Witness Printer took 8.50ms. Allocated memory is still 134.2MB. Free memory was 99.9MB in the beginning and 99.9MB in the end (delta: 10.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:36,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.33ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 68.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.08ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 64.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.44ms. Allocated memory is still 109.1MB. Free memory was 64.8MB in the beginning and 59.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 796.93ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 38.5MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21523.38ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 99.9MB in the end (delta: -62.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 8.50ms. Allocated memory is still 134.2MB. Free memory was 99.9MB in the beginning and 99.9MB in the end (delta: 10.5kB). 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 someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 136, overapproximation of someBinaryDOUBLEComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 100.25; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 4.8; [L29] signed char var_1_8 = 64; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 0; [L32] signed char var_1_11 = -10; [L33] signed char var_1_12 = 64; [L34] float var_1_13 = 1.6; [L35] float var_1_14 = 3.5; [L36] unsigned char var_1_15 = 8; [L37] unsigned char var_1_16 = 4; [L38] unsigned short int var_1_17 = 2; [L39] unsigned short int var_1_18 = 10000; [L40] unsigned short int var_1_19 = 5; [L41] signed short int var_1_20 = 4; [L42] unsigned long int var_1_21 = 5; [L43] signed char var_1_22 = -32; [L44] unsigned long int var_1_23 = 0; VAL [isInitial=0, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_2=401/4, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L140] isInitial = 1 [L141] FCALL initially() [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L94] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L99] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L102] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L104] var_1_7 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64, var_1_9=4] [L105] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64, var_1_9=4] [L106] var_1_9 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L109] var_1_10 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L112] var_1_11 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L113] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L115] var_1_12 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L118] var_1_14 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L123] var_1_18 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L124] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L126] var_1_19 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] RET updateVariables() [L145] CALL step() [L48] COND TRUE (- var_1_2) > 31.9f [L49] var_1_1 = ((var_1_3 || var_1_4) && var_1_5) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L53] COND FALSE !((127.35 + var_1_2) <= var_1_7) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L58] unsigned short int stepLocal_0 = var_1_10; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L59] COND TRUE var_1_9 > stepLocal_0 [L60] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L62] unsigned char stepLocal_1 = var_1_12 < var_1_8; VAL [isInitial=1, stepLocal_1=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L63] COND FALSE !((! var_1_5) || stepLocal_1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L70] COND TRUE \read(var_1_3) [L71] var_1_15 = var_1_16 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L73] unsigned char stepLocal_2 = var_1_9 < var_1_15; VAL [isInitial=1, stepLocal_2=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L74] COND TRUE var_1_3 || stepLocal_2 [L75] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L79] signed long int stepLocal_3 = -10; VAL [isInitial=1, stepLocal_3=-10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L80] COND FALSE !(((var_1_17 / var_1_18) * var_1_19) < stepLocal_3) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L83] COND TRUE ! (var_1_21 <= var_1_10) [L84] var_1_20 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L89] var_1_22 = 1 [L90] var_1_23 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return ((((((((((- var_1_2) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_3 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_2) <= var_1_7) ? ((4.5 <= (var_1_7 * var_1_2)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_9 > var_1_10) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < var_1_8)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_3 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_3 || (var_1_9 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_17 / var_1_18) * var_1_19) < -10) ? (var_1_20 == ((signed short int) ((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))))) : ((! (var_1_21 <= var_1_10)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_15)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=73728, var_1_19=-65536, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 5, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 1119 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 697 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1150 IncrementalHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 422 mSDtfsCounter, 1150 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 552 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=3, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 74 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 1442 NumberOfCodeBlocks, 1442 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 1737 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 5904/6000 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 20:11:36,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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_6ef534a1-d96c-433b-9906-ab625317b7c9/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 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:11:39,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:11:39,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:11:39,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:11:39,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:11:39,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:11:39,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:11:39,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:11:39,870 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:11:39,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:11:39,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:11:39,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:11:39,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:11:39,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:11:39,873 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:11:39,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:11:39,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:11:39,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:11:39,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:11:39,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:11:39,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:11:39,876 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:11:39,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:39,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:11:39,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:39,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:39,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:11:39,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:39,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:11:39,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:39,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:39,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:11:39,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:11:39,879 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:11:39,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:11:39,880 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:11:39,880 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:11:39,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:11:39,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:11:39,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:11:39,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:11:39,881 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_6ef534a1-d96c-433b-9906-ab625317b7c9/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 -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2024-11-27 20:11:40,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:11:40,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:11:40,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:11:40,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:11:40,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:11:40,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2024-11-27 20:11:44,334 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/e1c2c18f3/4a0d94eb9d67491db39a783c06de397b/FLAG8728090fc [2024-11-27 20:11:44,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:11:44,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2024-11-27 20:11:44,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/e1c2c18f3/4a0d94eb9d67491db39a783c06de397b/FLAG8728090fc [2024-11-27 20:11:44,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/data/e1c2c18f3/4a0d94eb9d67491db39a783c06de397b [2024-11-27 20:11:44,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:11:44,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:11:44,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:44,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:11:44,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:11:44,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:44" (1/1) ... [2024-11-27 20:11:44,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff73c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:44, skipping insertion in model container [2024-11-27 20:11:44,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:44" (1/1) ... [2024-11-27 20:11:44,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:11:45,170 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_6ef534a1-d96c-433b-9906-ab625317b7c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-27 20:11:45,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:45,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:11:45,310 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_6ef534a1-d96c-433b-9906-ab625317b7c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i[917,930] [2024-11-27 20:11:45,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:45,416 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:11:45,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45 WrapperNode [2024-11-27 20:11:45,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:45,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:45,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:11:45,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:11:45,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,515 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-27 20:11:45,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:45,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:11:45,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:11:45,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:11:45,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,576 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 20:11:45,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,589 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:11:45,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:11:45,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:11:45,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:11:45,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (1/1) ... [2024-11-27 20:11:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:45,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:45,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:11:45,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:11:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:11:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:11:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:11:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:11:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:11:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:11:45,895 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:11:45,898 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:11:59,144 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-27 20:11:59,146 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:11:59,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:11:59,168 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:11:59,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:59 BoogieIcfgContainer [2024-11-27 20:11:59,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:11:59,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:11:59,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:11:59,185 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:11:59,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:11:44" (1/3) ... [2024-11-27 20:11:59,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c89ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:59, skipping insertion in model container [2024-11-27 20:11:59,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:45" (2/3) ... [2024-11-27 20:11:59,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c89ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:59, skipping insertion in model container [2024-11-27 20:11:59,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:59" (3/3) ... [2024-11-27 20:11:59,192 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2024-11-27 20:11:59,218 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:11:59,220 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-41.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:11:59,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:11:59,353 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;@6ea4c976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:11:59,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:11:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:11:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:11:59,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:59,385 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:59,386 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:59,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1680409076, now seen corresponding path program 1 times [2024-11-27 20:11:59,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:11:59,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511919031] [2024-11-27 20:11:59,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:59,411 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 20:11:59,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:11:59,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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 20:11:59,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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 20:12:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:00,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:12:00,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2024-11-27 20:12:00,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:00,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:12:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511919031] [2024-11-27 20:12:00,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511919031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:00,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:00,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540342658] [2024-11-27 20:12:00,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:00,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:12:00,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:12:00,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:12:00,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:00,380 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:12:00,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:00,445 INFO L93 Difference]: Finished difference Result 139 states and 239 transitions. [2024-11-27 20:12:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:12:00,448 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2024-11-27 20:12:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:00,456 INFO L225 Difference]: With dead ends: 139 [2024-11-27 20:12:00,457 INFO L226 Difference]: Without dead ends: 69 [2024-11-27 20:12:00,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 20:12:00,471 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:00,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:00,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-27 20:12:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-27 20:12:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:12:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2024-11-27 20:12:00,560 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 160 [2024-11-27 20:12:00,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:00,563 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2024-11-27 20:12:00,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:12:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2024-11-27 20:12:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:00,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:00,570 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:00,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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 20:12:00,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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 20:12:00,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:00,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:00,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1216322250, now seen corresponding path program 1 times [2024-11-27 20:12:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:12:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955507435] [2024-11-27 20:12:00,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:00,777 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 20:12:00,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:12:00,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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 20:12:00,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/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 20:12:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:01,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:12:01,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-27 20:12:03,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:07,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:12:07,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955507435] [2024-11-27 20:12:07,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955507435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:07,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [916186950] [2024-11-27 20:12:07,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:07,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 20:12:07,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 20:12:07,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 20:12:07,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef534a1-d96c-433b-9906-ab625317b7c9/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-27 20:12:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:09,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:12:09,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:57,486 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:15:29,487 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:16:24,404 WARN L286 SmtUtils]: Spent 12.26s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:17:25,325 WARN L286 SmtUtils]: Spent 14.99s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)